diff --git a/pomelo/api/transactions/v1/notifications.ts b/pomelo/api/transactions/v1/notifications.ts
index 2a55be1e..60d3c9af 100644
--- a/pomelo/api/transactions/v1/notifications.ts
+++ b/pomelo/api/transactions/v1/notifications.ts
@@ -2,6 +2,7 @@ import type { VercelRequest, VercelResponse } from "@vercel/node";
 
 import buffer from "../../../utils/buffer.js";
 import { sendPushNotification } from "../../../utils/notifications.js";
+import { captureException } from "../../../utils/sentry.js";
 import { notificationRequest } from "../../../utils/types.js";
 import { signResponse, verifySignature } from "../../../utils/verify.js";
 
@@ -40,8 +41,8 @@ export default async function notifications(request: VercelRequest, response: Ve
         },
       });
       return signResponse(request, response.status(200), JSON.stringify(true));
-    } catch {
-      // TODO(jg): log errors..
+    } catch (error: unknown) {
+      captureException(error, { request, message: "failed to send notification to user" });
       return response.status(500).end("internal server error");
     }
   } else {
diff --git a/pomelo/utils/sentry.ts b/pomelo/utils/sentry.ts
new file mode 100644
index 00000000..e9e0860b
--- /dev/null
+++ b/pomelo/utils/sentry.ts
@@ -0,0 +1,25 @@
+import * as Sentry from "@sentry/node";
+import type { VercelRequest } from "@vercel/node";
+
+Sentry.init({
+  dsn: process.env.SENTRY_DSN,
+  environment: process.env.ENV === "development" ? "development" : "production",
+  tracesSampleRate: 1,
+  attachStacktrace: true,
+  autoSessionTracking: true,
+});
+
+type ExceptionProperties = {
+  request: VercelRequest;
+  message: string;
+};
+
+export function captureException(error: unknown, { request: { url }, message }: ExceptionProperties) {
+  try {
+    Sentry.captureException(error, { tags: { url, message } });
+  } catch {
+    // ignore
+  }
+}
+
+export default Sentry;