diff --git a/packages/browser/test/index.test.ts b/packages/browser/test/index.test.ts
index 42492cd36747..c0e79481788b 100644
--- a/packages/browser/test/index.test.ts
+++ b/packages/browser/test/index.test.ts
@@ -235,6 +235,7 @@ describe('SentryBrowser', () => {
       await flush(2000);
 
       const event = beforeSend.mock.calls[0]?.[0];
+      expect(event.level).toBe('error');
       expect(event.exception).toBeDefined();
       expect(event.exception.values[0]).toBeDefined();
       expect(event.exception.values[0]?.type).toBe('Error');
@@ -242,20 +243,20 @@ describe('SentryBrowser', () => {
       expect(event.exception.values[0]?.stacktrace.frames).not.toHaveLength(0);
     });
 
-    it('should capture a message', () =>
-      new Promise<void>(resolve => {
-        const options = getDefaultBrowserClientOptions({
-          beforeSend: event => {
-            expect(event.message).toBe('test');
-            expect(event.exception).toBeUndefined();
-            resolve();
-            return event;
-          },
-          dsn,
-        });
-        setCurrentClient(new BrowserClient(options));
-        captureMessage('test');
-      }));
+    it('should capture a message', done => {
+      const options = getDefaultBrowserClientOptions({
+        beforeSend: (event: Event): Event | null => {
+          expect(event.level).toBe('info');
+          expect(event.message).toBe('test');
+          expect(event.exception).toBeUndefined();
+          done();
+          return event;
+        },
+        dsn,
+      });
+      setCurrentClient(new BrowserClient(options));
+      captureMessage('test');
+    });
 
     it('should capture an event', () =>
       new Promise<void>(resolve => {
diff --git a/packages/core/src/server-runtime-client.ts b/packages/core/src/server-runtime-client.ts
index c683ad0d2d54..e1d89c1d067b 100644
--- a/packages/core/src/server-runtime-client.ts
+++ b/packages/core/src/server-runtime-client.ts
@@ -60,7 +60,10 @@ export class ServerRuntimeClient<
    * @inheritDoc
    */
   public eventFromException(exception: unknown, hint?: EventHint): PromiseLike<Event> {
-    return resolvedSyncPromise(eventFromUnknownInput(this, this._options.stackParser, exception, hint));
+    const event = eventFromUnknownInput(this, this._options.stackParser, exception, hint);
+    event.level = 'error';
+
+    return resolvedSyncPromise(event);
   }
 
   /**
diff --git a/packages/core/test/lib/serverruntimeclient.test.ts b/packages/core/test/lib/serverruntimeclient.test.ts
index 40be09bf011c..bdf1c5242b80 100644
--- a/packages/core/test/lib/serverruntimeclient.test.ts
+++ b/packages/core/test/lib/serverruntimeclient.test.ts
@@ -154,4 +154,52 @@ describe('ServerRuntimeClient', () => {
       expect(sendEnvelopeSpy).toHaveBeenCalledTimes(0);
     });
   });
+
+  describe('captureException', () => {
+    it('sends an exception event with level error', () => {
+      const options = getDefaultClientOptions({ dsn: PUBLIC_DSN });
+      client = new ServerRuntimeClient(options);
+
+      const sendEnvelopeSpy = jest.spyOn(client, 'sendEnvelope');
+
+      client.captureException(new Error('foo'));
+
+      expect(sendEnvelopeSpy).toHaveBeenCalledTimes(1);
+      expect(sendEnvelopeSpy).toHaveBeenCalledWith([
+        expect.any(Object),
+        [
+          [
+            expect.any(Object),
+            expect.objectContaining({
+              level: 'error',
+            }),
+          ],
+        ],
+      ]);
+    });
+  });
+
+  describe('captureMessage', () => {
+    it('sends a message event with level info', () => {
+      const options = getDefaultClientOptions({ dsn: PUBLIC_DSN });
+      client = new ServerRuntimeClient(options);
+
+      const sendEnvelopeSpy = jest.spyOn(client, 'sendEnvelope');
+
+      client.captureMessage('foo');
+
+      expect(sendEnvelopeSpy).toHaveBeenCalledTimes(1);
+      expect(sendEnvelopeSpy).toHaveBeenCalledWith([
+        expect.any(Object),
+        [
+          [
+            expect.any(Object),
+            expect.objectContaining({
+              level: 'info',
+            }),
+          ],
+        ],
+      ]);
+    });
+  });
 });
diff --git a/packages/deno/test/__snapshots__/mod.test.ts.snap b/packages/deno/test/__snapshots__/mod.test.ts.snap
index 937eae2893f8..f9f3006c34c4 100644
--- a/packages/deno/test/__snapshots__/mod.test.ts.snap
+++ b/packages/deno/test/__snapshots__/mod.test.ts.snap
@@ -101,6 +101,7 @@ snapshot[`captureException 1`] = `
       },
     ],
   },
+  level: "error",
   platform: "javascript",
   sdk: {
     integrations: [
@@ -134,6 +135,7 @@ snapshot[`captureMessage 1`] = `
     {
       category: "sentry.event",
       event_id: "{{id}}",
+      level: "error",
       message: "Error: Some unhandled error",
       timestamp: 0,
     },
@@ -204,6 +206,7 @@ snapshot[`captureMessage twice 1`] = `
     {
       category: "sentry.event",
       event_id: "{{id}}",
+      level: "error",
       message: "Error: Some unhandled error",
       timestamp: 0,
     },
@@ -281,6 +284,7 @@ snapshot[`captureMessage twice 2`] = `
     {
       category: "sentry.event",
       event_id: "{{id}}",
+      level: "error",
       message: "Error: Some unhandled error",
       timestamp: 0,
     },