diff --git a/beacon-chain/rpc/apimiddleware/custom_hooks.go b/beacon-chain/rpc/apimiddleware/custom_hooks.go
index 850e34343fe1..e9f566427e13 100644
--- a/beacon-chain/rpc/apimiddleware/custom_hooks.go
+++ b/beacon-chain/rpc/apimiddleware/custom_hooks.go
@@ -41,6 +41,29 @@ func wrapFeeRecipientsArray(
 	return true, nil
 }
 
+// https://ethereum.github.io/beacon-APIs/#/Validator/registerValidator expects posting a top-level array.
+// We make it more proto-friendly by wrapping it in a struct.
+func wrapSignedValidatorRegistrationsArray(
+	endpoint *apimiddleware.Endpoint,
+	_ http.ResponseWriter,
+	req *http.Request,
+) (apimiddleware.RunDefault, apimiddleware.ErrorJson) {
+	if _, ok := endpoint.PostRequest.(*signedValidatorRegistrationsRequestJson); !ok {
+		return true, nil
+	}
+	registrations := make([]*signedValidatorRegistrationJson, 0)
+	if err := json.NewDecoder(req.Body).Decode(&registrations); err != nil {
+		return false, apimiddleware.InternalServerErrorWithMessage(err, "could not decode body")
+	}
+	j := &signedValidatorRegistrationsRequestJson{Registrations: registrations}
+	b, err := json.Marshal(j)
+	if err != nil {
+		return false, apimiddleware.InternalServerErrorWithMessage(err, "could not marshal wrapped body")
+	}
+	req.Body = io.NopCloser(bytes.NewReader(b))
+	return true, nil
+}
+
 // https://ethereum.github.io/beacon-apis/#/Beacon/submitPoolAttestations expects posting a top-level array.
 // We make it more proto-friendly by wrapping it in a struct with a 'data' field.
 func wrapAttestationsArray(
diff --git a/beacon-chain/rpc/apimiddleware/endpoint_factory.go b/beacon-chain/rpc/apimiddleware/endpoint_factory.go
index 7019006ab7e3..a605e9d79e47 100644
--- a/beacon-chain/rpc/apimiddleware/endpoint_factory.go
+++ b/beacon-chain/rpc/apimiddleware/endpoint_factory.go
@@ -68,6 +68,7 @@ func (_ *BeaconEndpointFactory) Paths() []string {
 		"/eth/v1/validator/sync_committee_contribution",
 		"/eth/v1/validator/contribution_and_proofs",
 		"/eth/v1/validator/prepare_beacon_proposer",
+		"/eth/v1/validator/register_validator",
 	}
 }
 
@@ -268,6 +269,11 @@ func (_ *BeaconEndpointFactory) Create(path string) (*apimiddleware.Endpoint, er
 		endpoint.Hooks = apimiddleware.HookCollection{
 			OnPreDeserializeRequestBodyIntoContainer: wrapFeeRecipientsArray,
 		}
+	case "/eth/v1/validator/register_validator":
+		endpoint.PostRequest = &signedValidatorRegistrationsRequestJson{}
+		endpoint.Hooks = apimiddleware.HookCollection{
+			OnPreDeserializeRequestBodyIntoContainer: wrapSignedValidatorRegistrationsArray,
+		}
 	default:
 		return nil, errors.New("invalid path")
 	}
diff --git a/beacon-chain/rpc/apimiddleware/structs.go b/beacon-chain/rpc/apimiddleware/structs.go
index 11def8b9c75f..d6b2a7b29103 100644
--- a/beacon-chain/rpc/apimiddleware/structs.go
+++ b/beacon-chain/rpc/apimiddleware/structs.go
@@ -773,6 +773,22 @@ type syncCommitteeContributionJson struct {
 	Signature         string `json:"signature" hex:"true"`
 }
 
+type validatorRegistrationJson struct {
+	FeeRecipient string `json:"fee_recipient" hex:"true"`
+	GasLimit     string `json:"gas_limit"`
+	Timestamp    string `json:"timestamp"`
+	Pubkey       string `json:"pubkey" hex:"true"`
+}
+
+type signedValidatorRegistrationJson struct {
+	Message   validatorRegistrationJson `json:"message"`
+	Signature string                    `json:"signature" hex:"true"`
+}
+
+type signedValidatorRegistrationsRequestJson struct {
+	Registrations []*signedValidatorRegistrationJson `json:"registrations"`
+}
+
 //----------------
 // SSZ
 // ---------------
diff --git a/beacon-chain/rpc/eth/validator/BUILD.bazel b/beacon-chain/rpc/eth/validator/BUILD.bazel
index 824691f842b1..77bf7f0f8af6 100644
--- a/beacon-chain/rpc/eth/validator/BUILD.bazel
+++ b/beacon-chain/rpc/eth/validator/BUILD.bazel
@@ -10,6 +10,7 @@ go_library(
     visibility = ["//beacon-chain:__subpackages__"],
     deps = [
         "//beacon-chain/blockchain:go_default_library",
+        "//beacon-chain/builder:go_default_library",
         "//beacon-chain/cache:go_default_library",
         "//beacon-chain/core/helpers:go_default_library",
         "//beacon-chain/core/transition:go_default_library",
@@ -49,6 +50,7 @@ go_test(
     embed = [":go_default_library"],
     deps = [
         "//beacon-chain/blockchain/testing:go_default_library",
+        "//beacon-chain/builder/testing:go_default_library",
         "//beacon-chain/cache:go_default_library",
         "//beacon-chain/core/altair:go_default_library",
         "//beacon-chain/core/signing:go_default_library",
diff --git a/beacon-chain/rpc/eth/validator/validator.go b/beacon-chain/rpc/eth/validator/validator.go
index da4f22f231e4..455457dbb405 100644
--- a/beacon-chain/rpc/eth/validator/validator.go
+++ b/beacon-chain/rpc/eth/validator/validator.go
@@ -12,6 +12,7 @@ import (
 	"github.com/ethereum/go-ethereum/common/hexutil"
 	"github.com/golang/protobuf/ptypes/empty"
 	"github.com/pkg/errors"
+	"github.com/prysmaticlabs/prysm/v3/beacon-chain/builder"
 	"github.com/prysmaticlabs/prysm/v3/beacon-chain/cache"
 	"github.com/prysmaticlabs/prysm/v3/beacon-chain/core/helpers"
 	"github.com/prysmaticlabs/prysm/v3/beacon-chain/core/transition"
@@ -579,6 +580,38 @@ func (vs *Server) PrepareBeaconProposer(
 	return &emptypb.Empty{}, nil
 }
 
+// SubmitValidatorRegistration submits validator registrations.
+func (vs *Server) SubmitValidatorRegistration(ctx context.Context, reg *ethpbv1.SubmitValidatorRegistrationsRequest) (*empty.Empty, error) {
+	ctx, span := trace.StartSpan(ctx, "validator.SubmitValidatorRegistration")
+	defer span.End()
+
+	if vs.V1Alpha1Server.BlockBuilder == nil || !vs.V1Alpha1Server.BlockBuilder.Configured() {
+		return &empty.Empty{}, status.Errorf(codes.Internal, "Could not register block builder: %v", builder.ErrNoBuilder)
+	}
+	var registrations []*ethpbalpha.SignedValidatorRegistrationV1
+	for i, registration := range reg.Registrations {
+		message := reg.Registrations[i].Message
+		registrations = append(registrations, &ethpbalpha.SignedValidatorRegistrationV1{
+			Message: &ethpbalpha.ValidatorRegistrationV1{
+				FeeRecipient: message.FeeRecipient,
+				GasLimit:     message.GasLimit,
+				Timestamp:    message.Timestamp,
+				Pubkey:       message.Pubkey,
+			},
+			Signature: registration.Signature,
+		})
+	}
+	if len(registrations) == 0 {
+		return &empty.Empty{}, status.Errorf(codes.InvalidArgument, "Validator registration request is empty")
+	}
+
+	if err := vs.V1Alpha1Server.BlockBuilder.RegisterValidator(ctx, registrations); err != nil {
+		return nil, status.Errorf(codes.InvalidArgument, "Could not register block builder: %v", err)
+	}
+
+	return &empty.Empty{}, nil
+}
+
 // ProduceAttestationData requests that the beacon node produces attestation data for
 // the requested committee index and slot based on the nodes current head.
 func (vs *Server) ProduceAttestationData(ctx context.Context, req *ethpbv1.ProduceAttestationDataRequest) (*ethpbv1.ProduceAttestationDataResponse, error) {
diff --git a/beacon-chain/rpc/eth/validator/validator_test.go b/beacon-chain/rpc/eth/validator/validator_test.go
index 8f1567437f0f..528d16aee8c3 100644
--- a/beacon-chain/rpc/eth/validator/validator_test.go
+++ b/beacon-chain/rpc/eth/validator/validator_test.go
@@ -10,6 +10,7 @@ import (
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/prysmaticlabs/go-bitfield"
 	mockChain "github.com/prysmaticlabs/prysm/v3/beacon-chain/blockchain/testing"
+	builderTest "github.com/prysmaticlabs/prysm/v3/beacon-chain/builder/testing"
 	"github.com/prysmaticlabs/prysm/v3/beacon-chain/cache"
 	"github.com/prysmaticlabs/prysm/v3/beacon-chain/core/altair"
 	"github.com/prysmaticlabs/prysm/v3/beacon-chain/core/signing"
@@ -3717,3 +3718,64 @@ func TestPrepareBeaconProposer(t *testing.T) {
 		})
 	}
 }
+
+func TestServer_SubmitValidatorRegistrations(t *testing.T) {
+	type args struct {
+		request *ethpbv1.SubmitValidatorRegistrationsRequest
+	}
+	tests := []struct {
+		name    string
+		args    args
+		wantErr string
+	}{
+		{
+			name: "Happy Path",
+			args: args{
+				request: &ethpbv1.SubmitValidatorRegistrationsRequest{
+					Registrations: []*ethpbv1.SubmitValidatorRegistrationsRequest_SignedValidatorRegistration{
+						{
+							Message: &ethpbv1.SubmitValidatorRegistrationsRequest_ValidatorRegistration{
+								FeeRecipient: make([]byte, fieldparams.BLSPubkeyLength),
+								GasLimit:     30000000,
+								Timestamp:    uint64(time.Now().Unix()),
+								Pubkey:       make([]byte, fieldparams.BLSPubkeyLength),
+							},
+							Signature: make([]byte, fieldparams.BLSSignatureLength),
+						},
+					},
+				},
+			},
+			wantErr: "",
+		},
+		{
+			name: "Empty Request",
+			args: args{
+				request: &ethpbv1.SubmitValidatorRegistrationsRequest{
+					Registrations: []*ethpbv1.SubmitValidatorRegistrationsRequest_SignedValidatorRegistration{},
+				},
+			},
+			wantErr: "Validator registration request is empty",
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			db := dbutil.SetupDB(t)
+			ctx := context.Background()
+			v1Server := &v1alpha1validator.Server{
+				BlockBuilder: &builderTest.MockBuilderService{
+					HasConfigured: true,
+				},
+				BeaconDB: db,
+			}
+			server := &Server{
+				V1Alpha1Server: v1Server,
+			}
+			_, err := server.SubmitValidatorRegistration(ctx, tt.args.request)
+			if tt.wantErr != "" {
+				require.ErrorContains(t, tt.wantErr, err)
+				return
+			}
+			require.NoError(t, err)
+		})
+	}
+}
diff --git a/proto/eth/service/validator_service.pb.go b/proto/eth/service/validator_service.pb.go
index 58b3b2652e37..f56108c1e35f 100755
--- a/proto/eth/service/validator_service.pb.go
+++ b/proto/eth/service/validator_service.pb.go
@@ -47,7 +47,7 @@ var file_proto_eth_service_validator_service_proto_rawDesc = []byte{
 	0x6f, 0x74, 0x6f, 0x2f, 0x65, 0x74, 0x68, 0x2f, 0x76, 0x32, 0x2f, 0x73, 0x73, 0x7a, 0x2e, 0x70,
 	0x72, 0x6f, 0x74, 0x6f, 0x1a, 0x1c, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2f, 0x65, 0x74, 0x68, 0x2f,
 	0x76, 0x32, 0x2f, 0x76, 0x61, 0x6c, 0x69, 0x64, 0x61, 0x74, 0x6f, 0x72, 0x2e, 0x70, 0x72, 0x6f,
-	0x74, 0x6f, 0x32, 0xae, 0x15, 0x0a, 0x0f, 0x42, 0x65, 0x61, 0x63, 0x6f, 0x6e, 0x56, 0x61, 0x6c,
+	0x74, 0x6f, 0x32, 0xd6, 0x16, 0x0a, 0x0f, 0x42, 0x65, 0x61, 0x63, 0x6f, 0x6e, 0x56, 0x61, 0x6c,
 	0x69, 0x64, 0x61, 0x74, 0x6f, 0x72, 0x12, 0xa3, 0x01, 0x0a, 0x11, 0x47, 0x65, 0x74, 0x41, 0x74,
 	0x74, 0x65, 0x73, 0x74, 0x65, 0x72, 0x44, 0x75, 0x74, 0x69, 0x65, 0x73, 0x12, 0x26, 0x2e, 0x65,
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@@ -137,98 +137,108 @@ var file_proto_eth_service_validator_service_proto_rawDesc = []byte{
 	0xd3, 0xe4, 0x93, 0x02, 0x37, 0x22, 0x32, 0x2f, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x61, 0x6c,
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+	0x45, 0x74, 0x68, 0x65, 0x72, 0x65, 0x75, 0x6d, 0x5c, 0x45, 0x74, 0x68, 0x5c, 0x53, 0x65, 0x72,
+	0x76, 0x69, 0x63, 0x65, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var file_proto_eth_service_validator_service_proto_goTypes = []interface{}{
@@ -237,24 +247,25 @@ var file_proto_eth_service_validator_service_proto_goTypes = []interface{}{
 	(*v2.SyncCommitteeDutiesRequest)(nil),                // 2: ethereum.eth.v2.SyncCommitteeDutiesRequest
 	(*v1.ProduceBlockRequest)(nil),                       // 3: ethereum.eth.v1.ProduceBlockRequest
 	(*v1.PrepareBeaconProposerRequest)(nil),              // 4: ethereum.eth.v1.PrepareBeaconProposerRequest
-	(*v1.ProduceAttestationDataRequest)(nil),             // 5: ethereum.eth.v1.ProduceAttestationDataRequest
-	(*v1.AggregateAttestationRequest)(nil),               // 6: ethereum.eth.v1.AggregateAttestationRequest
-	(*v1.SubmitAggregateAndProofsRequest)(nil),           // 7: ethereum.eth.v1.SubmitAggregateAndProofsRequest
-	(*v1.SubmitBeaconCommitteeSubscriptionsRequest)(nil), // 8: ethereum.eth.v1.SubmitBeaconCommitteeSubscriptionsRequest
-	(*v2.SubmitSyncCommitteeSubscriptionsRequest)(nil),   // 9: ethereum.eth.v2.SubmitSyncCommitteeSubscriptionsRequest
-	(*v2.ProduceSyncCommitteeContributionRequest)(nil),   // 10: ethereum.eth.v2.ProduceSyncCommitteeContributionRequest
-	(*v2.SubmitContributionAndProofsRequest)(nil),        // 11: ethereum.eth.v2.SubmitContributionAndProofsRequest
-	(*v1.AttesterDutiesResponse)(nil),                    // 12: ethereum.eth.v1.AttesterDutiesResponse
-	(*v1.ProposerDutiesResponse)(nil),                    // 13: ethereum.eth.v1.ProposerDutiesResponse
-	(*v2.SyncCommitteeDutiesResponse)(nil),               // 14: ethereum.eth.v2.SyncCommitteeDutiesResponse
-	(*v1.ProduceBlockResponse)(nil),                      // 15: ethereum.eth.v1.ProduceBlockResponse
-	(*v2.ProduceBlockResponseV2)(nil),                    // 16: ethereum.eth.v2.ProduceBlockResponseV2
-	(*v2.SSZContainer)(nil),                              // 17: ethereum.eth.v2.SSZContainer
-	(*v2.ProduceBlindedBlockResponse)(nil),               // 18: ethereum.eth.v2.ProduceBlindedBlockResponse
-	(*empty.Empty)(nil),                                  // 19: google.protobuf.Empty
-	(*v1.ProduceAttestationDataResponse)(nil),            // 20: ethereum.eth.v1.ProduceAttestationDataResponse
-	(*v1.AggregateAttestationResponse)(nil),              // 21: ethereum.eth.v1.AggregateAttestationResponse
-	(*v2.ProduceSyncCommitteeContributionResponse)(nil),  // 22: ethereum.eth.v2.ProduceSyncCommitteeContributionResponse
+	(*v1.SubmitValidatorRegistrationsRequest)(nil),       // 5: ethereum.eth.v1.SubmitValidatorRegistrationsRequest
+	(*v1.ProduceAttestationDataRequest)(nil),             // 6: ethereum.eth.v1.ProduceAttestationDataRequest
+	(*v1.AggregateAttestationRequest)(nil),               // 7: ethereum.eth.v1.AggregateAttestationRequest
+	(*v1.SubmitAggregateAndProofsRequest)(nil),           // 8: ethereum.eth.v1.SubmitAggregateAndProofsRequest
+	(*v1.SubmitBeaconCommitteeSubscriptionsRequest)(nil), // 9: ethereum.eth.v1.SubmitBeaconCommitteeSubscriptionsRequest
+	(*v2.SubmitSyncCommitteeSubscriptionsRequest)(nil),   // 10: ethereum.eth.v2.SubmitSyncCommitteeSubscriptionsRequest
+	(*v2.ProduceSyncCommitteeContributionRequest)(nil),   // 11: ethereum.eth.v2.ProduceSyncCommitteeContributionRequest
+	(*v2.SubmitContributionAndProofsRequest)(nil),        // 12: ethereum.eth.v2.SubmitContributionAndProofsRequest
+	(*v1.AttesterDutiesResponse)(nil),                    // 13: ethereum.eth.v1.AttesterDutiesResponse
+	(*v1.ProposerDutiesResponse)(nil),                    // 14: ethereum.eth.v1.ProposerDutiesResponse
+	(*v2.SyncCommitteeDutiesResponse)(nil),               // 15: ethereum.eth.v2.SyncCommitteeDutiesResponse
+	(*v1.ProduceBlockResponse)(nil),                      // 16: ethereum.eth.v1.ProduceBlockResponse
+	(*v2.ProduceBlockResponseV2)(nil),                    // 17: ethereum.eth.v2.ProduceBlockResponseV2
+	(*v2.SSZContainer)(nil),                              // 18: ethereum.eth.v2.SSZContainer
+	(*v2.ProduceBlindedBlockResponse)(nil),               // 19: ethereum.eth.v2.ProduceBlindedBlockResponse
+	(*empty.Empty)(nil),                                  // 20: google.protobuf.Empty
+	(*v1.ProduceAttestationDataResponse)(nil),            // 21: ethereum.eth.v1.ProduceAttestationDataResponse
+	(*v1.AggregateAttestationResponse)(nil),              // 22: ethereum.eth.v1.AggregateAttestationResponse
+	(*v2.ProduceSyncCommitteeContributionResponse)(nil),  // 23: ethereum.eth.v2.ProduceSyncCommitteeContributionResponse
 }
 var file_proto_eth_service_validator_service_proto_depIdxs = []int32{
 	0,  // 0: ethereum.eth.service.BeaconValidator.GetAttesterDuties:input_type -> ethereum.eth.v1.AttesterDutiesRequest
@@ -266,31 +277,33 @@ var file_proto_eth_service_validator_service_proto_depIdxs = []int32{
 	3,  // 6: ethereum.eth.service.BeaconValidator.ProduceBlindedBlock:input_type -> ethereum.eth.v1.ProduceBlockRequest
 	3,  // 7: ethereum.eth.service.BeaconValidator.ProduceBlindedBlockSSZ:input_type -> ethereum.eth.v1.ProduceBlockRequest
 	4,  // 8: ethereum.eth.service.BeaconValidator.PrepareBeaconProposer:input_type -> ethereum.eth.v1.PrepareBeaconProposerRequest
-	5,  // 9: ethereum.eth.service.BeaconValidator.ProduceAttestationData:input_type -> ethereum.eth.v1.ProduceAttestationDataRequest
-	6,  // 10: ethereum.eth.service.BeaconValidator.GetAggregateAttestation:input_type -> ethereum.eth.v1.AggregateAttestationRequest
-	7,  // 11: ethereum.eth.service.BeaconValidator.SubmitAggregateAndProofs:input_type -> ethereum.eth.v1.SubmitAggregateAndProofsRequest
-	8,  // 12: ethereum.eth.service.BeaconValidator.SubmitBeaconCommitteeSubscription:input_type -> ethereum.eth.v1.SubmitBeaconCommitteeSubscriptionsRequest
-	9,  // 13: ethereum.eth.service.BeaconValidator.SubmitSyncCommitteeSubscription:input_type -> ethereum.eth.v2.SubmitSyncCommitteeSubscriptionsRequest
-	10, // 14: ethereum.eth.service.BeaconValidator.ProduceSyncCommitteeContribution:input_type -> ethereum.eth.v2.ProduceSyncCommitteeContributionRequest
-	11, // 15: ethereum.eth.service.BeaconValidator.SubmitContributionAndProofs:input_type -> ethereum.eth.v2.SubmitContributionAndProofsRequest
-	12, // 16: ethereum.eth.service.BeaconValidator.GetAttesterDuties:output_type -> ethereum.eth.v1.AttesterDutiesResponse
-	13, // 17: ethereum.eth.service.BeaconValidator.GetProposerDuties:output_type -> ethereum.eth.v1.ProposerDutiesResponse
-	14, // 18: ethereum.eth.service.BeaconValidator.GetSyncCommitteeDuties:output_type -> ethereum.eth.v2.SyncCommitteeDutiesResponse
-	15, // 19: ethereum.eth.service.BeaconValidator.ProduceBlock:output_type -> ethereum.eth.v1.ProduceBlockResponse
-	16, // 20: ethereum.eth.service.BeaconValidator.ProduceBlockV2:output_type -> ethereum.eth.v2.ProduceBlockResponseV2
-	17, // 21: ethereum.eth.service.BeaconValidator.ProduceBlockV2SSZ:output_type -> ethereum.eth.v2.SSZContainer
-	18, // 22: ethereum.eth.service.BeaconValidator.ProduceBlindedBlock:output_type -> ethereum.eth.v2.ProduceBlindedBlockResponse
-	17, // 23: ethereum.eth.service.BeaconValidator.ProduceBlindedBlockSSZ:output_type -> ethereum.eth.v2.SSZContainer
-	19, // 24: ethereum.eth.service.BeaconValidator.PrepareBeaconProposer:output_type -> google.protobuf.Empty
-	20, // 25: ethereum.eth.service.BeaconValidator.ProduceAttestationData:output_type -> ethereum.eth.v1.ProduceAttestationDataResponse
-	21, // 26: ethereum.eth.service.BeaconValidator.GetAggregateAttestation:output_type -> ethereum.eth.v1.AggregateAttestationResponse
-	19, // 27: ethereum.eth.service.BeaconValidator.SubmitAggregateAndProofs:output_type -> google.protobuf.Empty
-	19, // 28: ethereum.eth.service.BeaconValidator.SubmitBeaconCommitteeSubscription:output_type -> google.protobuf.Empty
-	19, // 29: ethereum.eth.service.BeaconValidator.SubmitSyncCommitteeSubscription:output_type -> google.protobuf.Empty
-	22, // 30: ethereum.eth.service.BeaconValidator.ProduceSyncCommitteeContribution:output_type -> ethereum.eth.v2.ProduceSyncCommitteeContributionResponse
-	19, // 31: ethereum.eth.service.BeaconValidator.SubmitContributionAndProofs:output_type -> google.protobuf.Empty
-	16, // [16:32] is the sub-list for method output_type
-	0,  // [0:16] is the sub-list for method input_type
+	5,  // 9: ethereum.eth.service.BeaconValidator.SubmitValidatorRegistration:input_type -> ethereum.eth.v1.SubmitValidatorRegistrationsRequest
+	6,  // 10: ethereum.eth.service.BeaconValidator.ProduceAttestationData:input_type -> ethereum.eth.v1.ProduceAttestationDataRequest
+	7,  // 11: ethereum.eth.service.BeaconValidator.GetAggregateAttestation:input_type -> ethereum.eth.v1.AggregateAttestationRequest
+	8,  // 12: ethereum.eth.service.BeaconValidator.SubmitAggregateAndProofs:input_type -> ethereum.eth.v1.SubmitAggregateAndProofsRequest
+	9,  // 13: ethereum.eth.service.BeaconValidator.SubmitBeaconCommitteeSubscription:input_type -> ethereum.eth.v1.SubmitBeaconCommitteeSubscriptionsRequest
+	10, // 14: ethereum.eth.service.BeaconValidator.SubmitSyncCommitteeSubscription:input_type -> ethereum.eth.v2.SubmitSyncCommitteeSubscriptionsRequest
+	11, // 15: ethereum.eth.service.BeaconValidator.ProduceSyncCommitteeContribution:input_type -> ethereum.eth.v2.ProduceSyncCommitteeContributionRequest
+	12, // 16: ethereum.eth.service.BeaconValidator.SubmitContributionAndProofs:input_type -> ethereum.eth.v2.SubmitContributionAndProofsRequest
+	13, // 17: ethereum.eth.service.BeaconValidator.GetAttesterDuties:output_type -> ethereum.eth.v1.AttesterDutiesResponse
+	14, // 18: ethereum.eth.service.BeaconValidator.GetProposerDuties:output_type -> ethereum.eth.v1.ProposerDutiesResponse
+	15, // 19: ethereum.eth.service.BeaconValidator.GetSyncCommitteeDuties:output_type -> ethereum.eth.v2.SyncCommitteeDutiesResponse
+	16, // 20: ethereum.eth.service.BeaconValidator.ProduceBlock:output_type -> ethereum.eth.v1.ProduceBlockResponse
+	17, // 21: ethereum.eth.service.BeaconValidator.ProduceBlockV2:output_type -> ethereum.eth.v2.ProduceBlockResponseV2
+	18, // 22: ethereum.eth.service.BeaconValidator.ProduceBlockV2SSZ:output_type -> ethereum.eth.v2.SSZContainer
+	19, // 23: ethereum.eth.service.BeaconValidator.ProduceBlindedBlock:output_type -> ethereum.eth.v2.ProduceBlindedBlockResponse
+	18, // 24: ethereum.eth.service.BeaconValidator.ProduceBlindedBlockSSZ:output_type -> ethereum.eth.v2.SSZContainer
+	20, // 25: ethereum.eth.service.BeaconValidator.PrepareBeaconProposer:output_type -> google.protobuf.Empty
+	20, // 26: ethereum.eth.service.BeaconValidator.SubmitValidatorRegistration:output_type -> google.protobuf.Empty
+	21, // 27: ethereum.eth.service.BeaconValidator.ProduceAttestationData:output_type -> ethereum.eth.v1.ProduceAttestationDataResponse
+	22, // 28: ethereum.eth.service.BeaconValidator.GetAggregateAttestation:output_type -> ethereum.eth.v1.AggregateAttestationResponse
+	20, // 29: ethereum.eth.service.BeaconValidator.SubmitAggregateAndProofs:output_type -> google.protobuf.Empty
+	20, // 30: ethereum.eth.service.BeaconValidator.SubmitBeaconCommitteeSubscription:output_type -> google.protobuf.Empty
+	20, // 31: ethereum.eth.service.BeaconValidator.SubmitSyncCommitteeSubscription:output_type -> google.protobuf.Empty
+	23, // 32: ethereum.eth.service.BeaconValidator.ProduceSyncCommitteeContribution:output_type -> ethereum.eth.v2.ProduceSyncCommitteeContributionResponse
+	20, // 33: ethereum.eth.service.BeaconValidator.SubmitContributionAndProofs:output_type -> google.protobuf.Empty
+	17, // [17:34] is the sub-list for method output_type
+	0,  // [0:17] is the sub-list for method input_type
 	0,  // [0:0] is the sub-list for extension type_name
 	0,  // [0:0] is the sub-list for extension extendee
 	0,  // [0:0] is the sub-list for field type_name
@@ -342,6 +355,7 @@ type BeaconValidatorClient interface {
 	ProduceBlindedBlock(ctx context.Context, in *v1.ProduceBlockRequest, opts ...grpc.CallOption) (*v2.ProduceBlindedBlockResponse, error)
 	ProduceBlindedBlockSSZ(ctx context.Context, in *v1.ProduceBlockRequest, opts ...grpc.CallOption) (*v2.SSZContainer, error)
 	PrepareBeaconProposer(ctx context.Context, in *v1.PrepareBeaconProposerRequest, opts ...grpc.CallOption) (*empty.Empty, error)
+	SubmitValidatorRegistration(ctx context.Context, in *v1.SubmitValidatorRegistrationsRequest, opts ...grpc.CallOption) (*empty.Empty, error)
 	ProduceAttestationData(ctx context.Context, in *v1.ProduceAttestationDataRequest, opts ...grpc.CallOption) (*v1.ProduceAttestationDataResponse, error)
 	GetAggregateAttestation(ctx context.Context, in *v1.AggregateAttestationRequest, opts ...grpc.CallOption) (*v1.AggregateAttestationResponse, error)
 	SubmitAggregateAndProofs(ctx context.Context, in *v1.SubmitAggregateAndProofsRequest, opts ...grpc.CallOption) (*empty.Empty, error)
@@ -441,6 +455,15 @@ func (c *beaconValidatorClient) PrepareBeaconProposer(ctx context.Context, in *v
 	return out, nil
 }
 
+func (c *beaconValidatorClient) SubmitValidatorRegistration(ctx context.Context, in *v1.SubmitValidatorRegistrationsRequest, opts ...grpc.CallOption) (*empty.Empty, error) {
+	out := new(empty.Empty)
+	err := c.cc.Invoke(ctx, "/ethereum.eth.service.BeaconValidator/SubmitValidatorRegistration", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 func (c *beaconValidatorClient) ProduceAttestationData(ctx context.Context, in *v1.ProduceAttestationDataRequest, opts ...grpc.CallOption) (*v1.ProduceAttestationDataResponse, error) {
 	out := new(v1.ProduceAttestationDataResponse)
 	err := c.cc.Invoke(ctx, "/ethereum.eth.service.BeaconValidator/ProduceAttestationData", in, out, opts...)
@@ -516,6 +539,7 @@ type BeaconValidatorServer interface {
 	ProduceBlindedBlock(context.Context, *v1.ProduceBlockRequest) (*v2.ProduceBlindedBlockResponse, error)
 	ProduceBlindedBlockSSZ(context.Context, *v1.ProduceBlockRequest) (*v2.SSZContainer, error)
 	PrepareBeaconProposer(context.Context, *v1.PrepareBeaconProposerRequest) (*empty.Empty, error)
+	SubmitValidatorRegistration(context.Context, *v1.SubmitValidatorRegistrationsRequest) (*empty.Empty, error)
 	ProduceAttestationData(context.Context, *v1.ProduceAttestationDataRequest) (*v1.ProduceAttestationDataResponse, error)
 	GetAggregateAttestation(context.Context, *v1.AggregateAttestationRequest) (*v1.AggregateAttestationResponse, error)
 	SubmitAggregateAndProofs(context.Context, *v1.SubmitAggregateAndProofsRequest) (*empty.Empty, error)
@@ -556,6 +580,9 @@ func (*UnimplementedBeaconValidatorServer) ProduceBlindedBlockSSZ(context.Contex
 func (*UnimplementedBeaconValidatorServer) PrepareBeaconProposer(context.Context, *v1.PrepareBeaconProposerRequest) (*empty.Empty, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method PrepareBeaconProposer not implemented")
 }
+func (*UnimplementedBeaconValidatorServer) SubmitValidatorRegistration(context.Context, *v1.SubmitValidatorRegistrationsRequest) (*empty.Empty, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method SubmitValidatorRegistration not implemented")
+}
 func (*UnimplementedBeaconValidatorServer) ProduceAttestationData(context.Context, *v1.ProduceAttestationDataRequest) (*v1.ProduceAttestationDataResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method ProduceAttestationData not implemented")
 }
@@ -744,6 +771,24 @@ func _BeaconValidator_PrepareBeaconProposer_Handler(srv interface{}, ctx context
 	return interceptor(ctx, in, info, handler)
 }
 
+func _BeaconValidator_SubmitValidatorRegistration_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(v1.SubmitValidatorRegistrationsRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(BeaconValidatorServer).SubmitValidatorRegistration(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/ethereum.eth.service.BeaconValidator/SubmitValidatorRegistration",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(BeaconValidatorServer).SubmitValidatorRegistration(ctx, req.(*v1.SubmitValidatorRegistrationsRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 func _BeaconValidator_ProduceAttestationData_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(v1.ProduceAttestationDataRequest)
 	if err := dec(in); err != nil {
@@ -910,6 +955,10 @@ var _BeaconValidator_serviceDesc = grpc.ServiceDesc{
 			MethodName: "PrepareBeaconProposer",
 			Handler:    _BeaconValidator_PrepareBeaconProposer_Handler,
 		},
+		{
+			MethodName: "SubmitValidatorRegistration",
+			Handler:    _BeaconValidator_SubmitValidatorRegistration_Handler,
+		},
 		{
 			MethodName: "ProduceAttestationData",
 			Handler:    _BeaconValidator_ProduceAttestationData_Handler,
diff --git a/proto/eth/service/validator_service.pb.gw.go b/proto/eth/service/validator_service.pb.gw.go
index 2f7c5439b955..6312dff73e01 100755
--- a/proto/eth/service/validator_service.pb.gw.go
+++ b/proto/eth/service/validator_service.pb.gw.go
@@ -627,6 +627,40 @@ func local_request_BeaconValidator_PrepareBeaconProposer_0(ctx context.Context,
 
 }
 
+func request_BeaconValidator_SubmitValidatorRegistration_0(ctx context.Context, marshaler runtime.Marshaler, client BeaconValidatorClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq v1.SubmitValidatorRegistrationsRequest
+	var metadata runtime.ServerMetadata
+
+	newReader, berr := utilities.IOReaderFactory(req.Body)
+	if berr != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", berr)
+	}
+	if err := marshaler.NewDecoder(newReader()).Decode(&protoReq); err != nil && err != io.EOF {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+
+	msg, err := client.SubmitValidatorRegistration(ctx, &protoReq, grpc.Header(&metadata.HeaderMD), grpc.Trailer(&metadata.TrailerMD))
+	return msg, metadata, err
+
+}
+
+func local_request_BeaconValidator_SubmitValidatorRegistration_0(ctx context.Context, marshaler runtime.Marshaler, server BeaconValidatorServer, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq v1.SubmitValidatorRegistrationsRequest
+	var metadata runtime.ServerMetadata
+
+	newReader, berr := utilities.IOReaderFactory(req.Body)
+	if berr != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", berr)
+	}
+	if err := marshaler.NewDecoder(newReader()).Decode(&protoReq); err != nil && err != io.EOF {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+
+	msg, err := server.SubmitValidatorRegistration(ctx, &protoReq)
+	return msg, metadata, err
+
+}
+
 var (
 	filter_BeaconValidator_ProduceAttestationData_0 = &utilities.DoubleArray{Encoding: map[string]int{}, Base: []int(nil), Check: []int(nil)}
 )
@@ -1084,6 +1118,29 @@ func RegisterBeaconValidatorHandlerServer(ctx context.Context, mux *runtime.Serv
 
 	})
 
+	mux.Handle("POST", pattern_BeaconValidator_SubmitValidatorRegistration_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
+		ctx, cancel := context.WithCancel(req.Context())
+		defer cancel()
+		var stream runtime.ServerTransportStream
+		ctx = grpc.NewContextWithServerTransportStream(ctx, &stream)
+		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
+		rctx, err := runtime.AnnotateIncomingContext(ctx, mux, req, "/ethereum.eth.service.BeaconValidator/SubmitValidatorRegistration")
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := local_request_BeaconValidator_SubmitValidatorRegistration_0(rctx, inboundMarshaler, server, req, pathParams)
+		md.HeaderMD, md.TrailerMD = metadata.Join(md.HeaderMD, stream.Header()), metadata.Join(md.TrailerMD, stream.Trailer())
+		ctx = runtime.NewServerMetadataContext(ctx, md)
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_BeaconValidator_SubmitValidatorRegistration_0(ctx, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
 	mux.Handle("GET", pattern_BeaconValidator_ProduceAttestationData_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
 		ctx, cancel := context.WithCancel(req.Context())
 		defer cancel()
@@ -1466,6 +1523,26 @@ func RegisterBeaconValidatorHandlerClient(ctx context.Context, mux *runtime.Serv
 
 	})
 
+	mux.Handle("POST", pattern_BeaconValidator_SubmitValidatorRegistration_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
+		ctx, cancel := context.WithCancel(req.Context())
+		defer cancel()
+		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
+		rctx, err := runtime.AnnotateContext(ctx, mux, req, "/ethereum.eth.service.BeaconValidator/SubmitValidatorRegistration")
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := request_BeaconValidator_SubmitValidatorRegistration_0(rctx, inboundMarshaler, client, req, pathParams)
+		ctx = runtime.NewServerMetadataContext(ctx, md)
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_BeaconValidator_SubmitValidatorRegistration_0(ctx, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
 	mux.Handle("GET", pattern_BeaconValidator_ProduceAttestationData_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
 		ctx, cancel := context.WithCancel(req.Context())
 		defer cancel()
@@ -1628,6 +1705,8 @@ var (
 
 	pattern_BeaconValidator_PrepareBeaconProposer_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 2, 2, 2, 3, 2, 4}, []string{"internal", "eth", "v1", "validator", "prepare_beacon_proposer"}, ""))
 
+	pattern_BeaconValidator_SubmitValidatorRegistration_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 2, 2, 2, 3, 2, 4}, []string{"internal", "eth", "v1", "validator", "register_validator"}, ""))
+
 	pattern_BeaconValidator_ProduceAttestationData_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 2, 2, 2, 3, 2, 4}, []string{"internal", "eth", "v1", "validator", "attestation_data"}, ""))
 
 	pattern_BeaconValidator_GetAggregateAttestation_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 2, 2, 2, 3, 2, 4}, []string{"internal", "eth", "v1", "validator", "aggregate_attestation"}, ""))
@@ -1662,6 +1741,8 @@ var (
 
 	forward_BeaconValidator_PrepareBeaconProposer_0 = runtime.ForwardResponseMessage
 
+	forward_BeaconValidator_SubmitValidatorRegistration_0 = runtime.ForwardResponseMessage
+
 	forward_BeaconValidator_ProduceAttestationData_0 = runtime.ForwardResponseMessage
 
 	forward_BeaconValidator_GetAggregateAttestation_0 = runtime.ForwardResponseMessage
diff --git a/proto/eth/service/validator_service.proto b/proto/eth/service/validator_service.proto
index 730d663b5a39..2a5fca2522f0 100644
--- a/proto/eth/service/validator_service.proto
+++ b/proto/eth/service/validator_service.proto
@@ -183,6 +183,25 @@ service BeaconValidator {
     };
   }
 
+  // SubmitValidatorRegistration prepares the beacon node for engaging with external builders.
+  // The information will be sent by the beacon node to the builder network.
+  // It is expected that the validator client will send this information periodically to ensure the beacon node has correct and timely registration information to provide to builders.
+  // The validator client should not sign blinded beacon blocks that do not adhere to their latest fee recipient and gas limit preferences.
+  // Note that requests containing currently inactive or unknown validator pubkeys will be accepted, as they may become active at a later epoch.
+  //
+  // HTTP response usage:
+  //  - 200: Successful response
+  //  - 400: Invalid request syntax
+  //  - 500: Beacon node internal error
+  //
+  // Spec: https://ethereum.github.io/beacon-APIs/#/Validator/registerValidator
+  rpc SubmitValidatorRegistration (v1.SubmitValidatorRegistrationsRequest) returns (google.protobuf.Empty) {
+    option (google.api.http) = {
+      post: "/internal/eth/v1/validator/register_validator"
+      body: "*"
+    };
+  }
+
   // ProduceAttestationData requests that the beacon node produces attestation data for
   // the requested committee index and slot based on the nodes current head.
   //
diff --git a/proto/eth/v1/validator.pb.go b/proto/eth/v1/validator.pb.go
index da1db81f183f..c98b04e9195c 100755
--- a/proto/eth/v1/validator.pb.go
+++ b/proto/eth/v1/validator.pb.go
@@ -1197,6 +1197,53 @@ func (x *PrepareBeaconProposerRequest) GetRecipients() []*PrepareBeaconProposerR
 	return nil
 }
 
+type SubmitValidatorRegistrationsRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Registrations []*SubmitValidatorRegistrationsRequest_SignedValidatorRegistration `protobuf:"bytes,1,rep,name=registrations,proto3" json:"registrations,omitempty"`
+}
+
+func (x *SubmitValidatorRegistrationsRequest) Reset() {
+	*x = SubmitValidatorRegistrationsRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_proto_eth_v1_validator_proto_msgTypes[18]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *SubmitValidatorRegistrationsRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*SubmitValidatorRegistrationsRequest) ProtoMessage() {}
+
+func (x *SubmitValidatorRegistrationsRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_proto_eth_v1_validator_proto_msgTypes[18]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use SubmitValidatorRegistrationsRequest.ProtoReflect.Descriptor instead.
+func (*SubmitValidatorRegistrationsRequest) Descriptor() ([]byte, []int) {
+	return file_proto_eth_v1_validator_proto_rawDescGZIP(), []int{18}
+}
+
+func (x *SubmitValidatorRegistrationsRequest) GetRegistrations() []*SubmitValidatorRegistrationsRequest_SignedValidatorRegistration {
+	if x != nil {
+		return x.Registrations
+	}
+	return nil
+}
+
 type PrepareBeaconProposerRequest_FeeRecipientContainer struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -1209,7 +1256,7 @@ type PrepareBeaconProposerRequest_FeeRecipientContainer struct {
 func (x *PrepareBeaconProposerRequest_FeeRecipientContainer) Reset() {
 	*x = PrepareBeaconProposerRequest_FeeRecipientContainer{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_proto_eth_v1_validator_proto_msgTypes[18]
+		mi := &file_proto_eth_v1_validator_proto_msgTypes[19]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1222,7 +1269,7 @@ func (x *PrepareBeaconProposerRequest_FeeRecipientContainer) String() string {
 func (*PrepareBeaconProposerRequest_FeeRecipientContainer) ProtoMessage() {}
 
 func (x *PrepareBeaconProposerRequest_FeeRecipientContainer) ProtoReflect() protoreflect.Message {
-	mi := &file_proto_eth_v1_validator_proto_msgTypes[18]
+	mi := &file_proto_eth_v1_validator_proto_msgTypes[19]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1252,6 +1299,132 @@ func (x *PrepareBeaconProposerRequest_FeeRecipientContainer) GetValidatorIndex()
 	return github_com_prysmaticlabs_prysm_v3_consensus_types_primitives.ValidatorIndex(0)
 }
 
+type SubmitValidatorRegistrationsRequest_ValidatorRegistration struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	FeeRecipient []byte `protobuf:"bytes,1,opt,name=fee_recipient,json=feeRecipient,proto3" json:"fee_recipient,omitempty" ssz-size:"20"`
+	GasLimit     uint64 `protobuf:"varint,2,opt,name=gas_limit,json=gasLimit,proto3" json:"gas_limit,omitempty"`
+	Timestamp    uint64 `protobuf:"varint,3,opt,name=timestamp,proto3" json:"timestamp,omitempty"`
+	Pubkey       []byte `protobuf:"bytes,4,opt,name=pubkey,proto3" json:"pubkey,omitempty" ssz-size:"48"`
+}
+
+func (x *SubmitValidatorRegistrationsRequest_ValidatorRegistration) Reset() {
+	*x = SubmitValidatorRegistrationsRequest_ValidatorRegistration{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_proto_eth_v1_validator_proto_msgTypes[20]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *SubmitValidatorRegistrationsRequest_ValidatorRegistration) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*SubmitValidatorRegistrationsRequest_ValidatorRegistration) ProtoMessage() {}
+
+func (x *SubmitValidatorRegistrationsRequest_ValidatorRegistration) ProtoReflect() protoreflect.Message {
+	mi := &file_proto_eth_v1_validator_proto_msgTypes[20]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use SubmitValidatorRegistrationsRequest_ValidatorRegistration.ProtoReflect.Descriptor instead.
+func (*SubmitValidatorRegistrationsRequest_ValidatorRegistration) Descriptor() ([]byte, []int) {
+	return file_proto_eth_v1_validator_proto_rawDescGZIP(), []int{18, 0}
+}
+
+func (x *SubmitValidatorRegistrationsRequest_ValidatorRegistration) GetFeeRecipient() []byte {
+	if x != nil {
+		return x.FeeRecipient
+	}
+	return nil
+}
+
+func (x *SubmitValidatorRegistrationsRequest_ValidatorRegistration) GetGasLimit() uint64 {
+	if x != nil {
+		return x.GasLimit
+	}
+	return 0
+}
+
+func (x *SubmitValidatorRegistrationsRequest_ValidatorRegistration) GetTimestamp() uint64 {
+	if x != nil {
+		return x.Timestamp
+	}
+	return 0
+}
+
+func (x *SubmitValidatorRegistrationsRequest_ValidatorRegistration) GetPubkey() []byte {
+	if x != nil {
+		return x.Pubkey
+	}
+	return nil
+}
+
+type SubmitValidatorRegistrationsRequest_SignedValidatorRegistration struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Message   *SubmitValidatorRegistrationsRequest_ValidatorRegistration `protobuf:"bytes,1,opt,name=message,proto3" json:"message,omitempty"`
+	Signature []byte                                                     `protobuf:"bytes,2,opt,name=signature,proto3" json:"signature,omitempty" ssz-size:"96"`
+}
+
+func (x *SubmitValidatorRegistrationsRequest_SignedValidatorRegistration) Reset() {
+	*x = SubmitValidatorRegistrationsRequest_SignedValidatorRegistration{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_proto_eth_v1_validator_proto_msgTypes[21]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *SubmitValidatorRegistrationsRequest_SignedValidatorRegistration) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*SubmitValidatorRegistrationsRequest_SignedValidatorRegistration) ProtoMessage() {}
+
+func (x *SubmitValidatorRegistrationsRequest_SignedValidatorRegistration) ProtoReflect() protoreflect.Message {
+	mi := &file_proto_eth_v1_validator_proto_msgTypes[21]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use SubmitValidatorRegistrationsRequest_SignedValidatorRegistration.ProtoReflect.Descriptor instead.
+func (*SubmitValidatorRegistrationsRequest_SignedValidatorRegistration) Descriptor() ([]byte, []int) {
+	return file_proto_eth_v1_validator_proto_rawDescGZIP(), []int{18, 1}
+}
+
+func (x *SubmitValidatorRegistrationsRequest_SignedValidatorRegistration) GetMessage() *SubmitValidatorRegistrationsRequest_ValidatorRegistration {
+	if x != nil {
+		return x.Message
+	}
+	return nil
+}
+
+func (x *SubmitValidatorRegistrationsRequest_SignedValidatorRegistration) GetSignature() []byte {
+	if x != nil {
+		return x.Signature
+	}
+	return nil
+}
+
 var File_proto_eth_v1_validator_proto protoreflect.FileDescriptor
 
 var file_proto_eth_v1_validator_proto_rawDesc = []byte{
@@ -1539,32 +1712,63 @@ var file_proto_eth_v1_validator_proto_rawDesc = []byte{
 	0x6d, 0x2f, 0x76, 0x33, 0x2f, 0x63, 0x6f, 0x6e, 0x73, 0x65, 0x6e, 0x73, 0x75, 0x73, 0x2d, 0x74,
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+	0x5c, 0x76, 0x31, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -1580,49 +1784,54 @@ func file_proto_eth_v1_validator_proto_rawDescGZIP() []byte {
 }
 
 var file_proto_eth_v1_validator_proto_enumTypes = make([]protoimpl.EnumInfo, 1)
-var file_proto_eth_v1_validator_proto_msgTypes = make([]protoimpl.MessageInfo, 19)
+var file_proto_eth_v1_validator_proto_msgTypes = make([]protoimpl.MessageInfo, 22)
 var file_proto_eth_v1_validator_proto_goTypes = []interface{}{
-	(ValidatorStatus)(0),                                       // 0: ethereum.eth.v1.ValidatorStatus
-	(*ValidatorContainer)(nil),                                 // 1: ethereum.eth.v1.ValidatorContainer
-	(*Validator)(nil),                                          // 2: ethereum.eth.v1.Validator
-	(*AttesterDutiesRequest)(nil),                              // 3: ethereum.eth.v1.AttesterDutiesRequest
-	(*AttesterDutiesResponse)(nil),                             // 4: ethereum.eth.v1.AttesterDutiesResponse
-	(*AttesterDuty)(nil),                                       // 5: ethereum.eth.v1.AttesterDuty
-	(*ProposerDutiesRequest)(nil),                              // 6: ethereum.eth.v1.ProposerDutiesRequest
-	(*ProposerDutiesResponse)(nil),                             // 7: ethereum.eth.v1.ProposerDutiesResponse
-	(*ProposerDuty)(nil),                                       // 8: ethereum.eth.v1.ProposerDuty
-	(*ProduceBlockRequest)(nil),                                // 9: ethereum.eth.v1.ProduceBlockRequest
-	(*ProduceBlockResponse)(nil),                               // 10: ethereum.eth.v1.ProduceBlockResponse
-	(*ProduceAttestationDataRequest)(nil),                      // 11: ethereum.eth.v1.ProduceAttestationDataRequest
-	(*ProduceAttestationDataResponse)(nil),                     // 12: ethereum.eth.v1.ProduceAttestationDataResponse
-	(*AggregateAttestationRequest)(nil),                        // 13: ethereum.eth.v1.AggregateAttestationRequest
-	(*AggregateAttestationResponse)(nil),                       // 14: ethereum.eth.v1.AggregateAttestationResponse
-	(*SubmitAggregateAndProofsRequest)(nil),                    // 15: ethereum.eth.v1.SubmitAggregateAndProofsRequest
-	(*SubmitBeaconCommitteeSubscriptionsRequest)(nil),          // 16: ethereum.eth.v1.SubmitBeaconCommitteeSubscriptionsRequest
-	(*BeaconCommitteeSubscribe)(nil),                           // 17: ethereum.eth.v1.BeaconCommitteeSubscribe
-	(*PrepareBeaconProposerRequest)(nil),                       // 18: ethereum.eth.v1.PrepareBeaconProposerRequest
-	(*PrepareBeaconProposerRequest_FeeRecipientContainer)(nil), // 19: ethereum.eth.v1.PrepareBeaconProposerRequest.FeeRecipientContainer
-	(*BeaconBlock)(nil),                                        // 20: ethereum.eth.v1.BeaconBlock
-	(*AttestationData)(nil),                                    // 21: ethereum.eth.v1.AttestationData
-	(*Attestation)(nil),                                        // 22: ethereum.eth.v1.Attestation
-	(*SignedAggregateAttestationAndProof)(nil),                 // 23: ethereum.eth.v1.SignedAggregateAttestationAndProof
+	(ValidatorStatus)(0),                                                    // 0: ethereum.eth.v1.ValidatorStatus
+	(*ValidatorContainer)(nil),                                              // 1: ethereum.eth.v1.ValidatorContainer
+	(*Validator)(nil),                                                       // 2: ethereum.eth.v1.Validator
+	(*AttesterDutiesRequest)(nil),                                           // 3: ethereum.eth.v1.AttesterDutiesRequest
+	(*AttesterDutiesResponse)(nil),                                          // 4: ethereum.eth.v1.AttesterDutiesResponse
+	(*AttesterDuty)(nil),                                                    // 5: ethereum.eth.v1.AttesterDuty
+	(*ProposerDutiesRequest)(nil),                                           // 6: ethereum.eth.v1.ProposerDutiesRequest
+	(*ProposerDutiesResponse)(nil),                                          // 7: ethereum.eth.v1.ProposerDutiesResponse
+	(*ProposerDuty)(nil),                                                    // 8: ethereum.eth.v1.ProposerDuty
+	(*ProduceBlockRequest)(nil),                                             // 9: ethereum.eth.v1.ProduceBlockRequest
+	(*ProduceBlockResponse)(nil),                                            // 10: ethereum.eth.v1.ProduceBlockResponse
+	(*ProduceAttestationDataRequest)(nil),                                   // 11: ethereum.eth.v1.ProduceAttestationDataRequest
+	(*ProduceAttestationDataResponse)(nil),                                  // 12: ethereum.eth.v1.ProduceAttestationDataResponse
+	(*AggregateAttestationRequest)(nil),                                     // 13: ethereum.eth.v1.AggregateAttestationRequest
+	(*AggregateAttestationResponse)(nil),                                    // 14: ethereum.eth.v1.AggregateAttestationResponse
+	(*SubmitAggregateAndProofsRequest)(nil),                                 // 15: ethereum.eth.v1.SubmitAggregateAndProofsRequest
+	(*SubmitBeaconCommitteeSubscriptionsRequest)(nil),                       // 16: ethereum.eth.v1.SubmitBeaconCommitteeSubscriptionsRequest
+	(*BeaconCommitteeSubscribe)(nil),                                        // 17: ethereum.eth.v1.BeaconCommitteeSubscribe
+	(*PrepareBeaconProposerRequest)(nil),                                    // 18: ethereum.eth.v1.PrepareBeaconProposerRequest
+	(*SubmitValidatorRegistrationsRequest)(nil),                             // 19: ethereum.eth.v1.SubmitValidatorRegistrationsRequest
+	(*PrepareBeaconProposerRequest_FeeRecipientContainer)(nil),              // 20: ethereum.eth.v1.PrepareBeaconProposerRequest.FeeRecipientContainer
+	(*SubmitValidatorRegistrationsRequest_ValidatorRegistration)(nil),       // 21: ethereum.eth.v1.SubmitValidatorRegistrationsRequest.ValidatorRegistration
+	(*SubmitValidatorRegistrationsRequest_SignedValidatorRegistration)(nil), // 22: ethereum.eth.v1.SubmitValidatorRegistrationsRequest.SignedValidatorRegistration
+	(*BeaconBlock)(nil),                                                     // 23: ethereum.eth.v1.BeaconBlock
+	(*AttestationData)(nil),                                                 // 24: ethereum.eth.v1.AttestationData
+	(*Attestation)(nil),                                                     // 25: ethereum.eth.v1.Attestation
+	(*SignedAggregateAttestationAndProof)(nil),                              // 26: ethereum.eth.v1.SignedAggregateAttestationAndProof
 }
 var file_proto_eth_v1_validator_proto_depIdxs = []int32{
 	0,  // 0: ethereum.eth.v1.ValidatorContainer.status:type_name -> ethereum.eth.v1.ValidatorStatus
 	2,  // 1: ethereum.eth.v1.ValidatorContainer.validator:type_name -> ethereum.eth.v1.Validator
 	5,  // 2: ethereum.eth.v1.AttesterDutiesResponse.data:type_name -> ethereum.eth.v1.AttesterDuty
 	8,  // 3: ethereum.eth.v1.ProposerDutiesResponse.data:type_name -> ethereum.eth.v1.ProposerDuty
-	20, // 4: ethereum.eth.v1.ProduceBlockResponse.data:type_name -> ethereum.eth.v1.BeaconBlock
-	21, // 5: ethereum.eth.v1.ProduceAttestationDataResponse.data:type_name -> ethereum.eth.v1.AttestationData
-	22, // 6: ethereum.eth.v1.AggregateAttestationResponse.data:type_name -> ethereum.eth.v1.Attestation
-	23, // 7: ethereum.eth.v1.SubmitAggregateAndProofsRequest.data:type_name -> ethereum.eth.v1.SignedAggregateAttestationAndProof
+	23, // 4: ethereum.eth.v1.ProduceBlockResponse.data:type_name -> ethereum.eth.v1.BeaconBlock
+	24, // 5: ethereum.eth.v1.ProduceAttestationDataResponse.data:type_name -> ethereum.eth.v1.AttestationData
+	25, // 6: ethereum.eth.v1.AggregateAttestationResponse.data:type_name -> ethereum.eth.v1.Attestation
+	26, // 7: ethereum.eth.v1.SubmitAggregateAndProofsRequest.data:type_name -> ethereum.eth.v1.SignedAggregateAttestationAndProof
 	17, // 8: ethereum.eth.v1.SubmitBeaconCommitteeSubscriptionsRequest.data:type_name -> ethereum.eth.v1.BeaconCommitteeSubscribe
-	19, // 9: ethereum.eth.v1.PrepareBeaconProposerRequest.recipients:type_name -> ethereum.eth.v1.PrepareBeaconProposerRequest.FeeRecipientContainer
-	10, // [10:10] is the sub-list for method output_type
-	10, // [10:10] is the sub-list for method input_type
-	10, // [10:10] is the sub-list for extension type_name
-	10, // [10:10] is the sub-list for extension extendee
-	0,  // [0:10] is the sub-list for field type_name
+	20, // 9: ethereum.eth.v1.PrepareBeaconProposerRequest.recipients:type_name -> ethereum.eth.v1.PrepareBeaconProposerRequest.FeeRecipientContainer
+	22, // 10: ethereum.eth.v1.SubmitValidatorRegistrationsRequest.registrations:type_name -> ethereum.eth.v1.SubmitValidatorRegistrationsRequest.SignedValidatorRegistration
+	21, // 11: ethereum.eth.v1.SubmitValidatorRegistrationsRequest.SignedValidatorRegistration.message:type_name -> ethereum.eth.v1.SubmitValidatorRegistrationsRequest.ValidatorRegistration
+	12, // [12:12] is the sub-list for method output_type
+	12, // [12:12] is the sub-list for method input_type
+	12, // [12:12] is the sub-list for extension type_name
+	12, // [12:12] is the sub-list for extension extendee
+	0,  // [0:12] is the sub-list for field type_name
 }
 
 func init() { file_proto_eth_v1_validator_proto_init() }
@@ -1850,6 +2059,18 @@ func file_proto_eth_v1_validator_proto_init() {
 			}
 		}
 		file_proto_eth_v1_validator_proto_msgTypes[18].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*SubmitValidatorRegistrationsRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_proto_eth_v1_validator_proto_msgTypes[19].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*PrepareBeaconProposerRequest_FeeRecipientContainer); i {
 			case 0:
 				return &v.state
@@ -1861,6 +2082,30 @@ func file_proto_eth_v1_validator_proto_init() {
 				return nil
 			}
 		}
+		file_proto_eth_v1_validator_proto_msgTypes[20].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*SubmitValidatorRegistrationsRequest_ValidatorRegistration); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_proto_eth_v1_validator_proto_msgTypes[21].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*SubmitValidatorRegistrationsRequest_SignedValidatorRegistration); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
 	}
 	file_proto_eth_v1_validator_proto_msgTypes[8].OneofWrappers = []interface{}{}
 	type x struct{}
@@ -1869,7 +2114,7 @@ func file_proto_eth_v1_validator_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_proto_eth_v1_validator_proto_rawDesc,
 			NumEnums:      1,
-			NumMessages:   19,
+			NumMessages:   22,
 			NumExtensions: 0,
 			NumServices:   0,
 		},
diff --git a/proto/eth/v1/validator.proto b/proto/eth/v1/validator.proto
index 447593c44f0f..3562e21b276d 100644
--- a/proto/eth/v1/validator.proto
+++ b/proto/eth/v1/validator.proto
@@ -221,4 +221,25 @@ message PrepareBeaconProposerRequest {
         uint64 validator_index = 2 [(ethereum.eth.ext.cast_type) = "github.com/prysmaticlabs/prysm/v3/consensus-types/primitives.ValidatorIndex"];
     }
     repeated FeeRecipientContainer recipients = 1;
+}
+
+message SubmitValidatorRegistrationsRequest {
+    message ValidatorRegistration {
+        // The address of the fee recipient.
+        bytes fee_recipient = 1 [(ethereum.eth.ext.ssz_size) = "20"];
+        // gas_limit value in gwei
+        uint64 gas_limit = 2;
+        // timestamp in utc seconds from unix epoch
+        uint64 timestamp = 3;
+        // validator public key
+        bytes pubkey = 4 [(ethereum.eth.ext.ssz_size) = "48"];
+    }
+
+    message SignedValidatorRegistration {
+        ValidatorRegistration message = 1;
+        // signature of ValidatorRegistration
+        bytes signature = 2 [(ethereum.eth.ext.ssz_size) = "96"];
+    }
+
+    repeated SignedValidatorRegistration registrations = 1;
 }
\ No newline at end of file