Queues
Reliable background processing
Process background jobs reliably with built-in retry logic, dead letter queues, and real-time monitoring. Perfect for sending emails, processing uploads, or any async task.
Queue Dashboard
Pending
42
Processing
3
Acknowledged
15,847
Failed
12
Dead Letter
2
Recent Messages
Latest messages in this queue (auto-refreshes every 5 seconds)
| ID | Status | Payload | Attempt | Created |
|---|---|---|---|---|
| msg_a1b2c3d4... | Acknowledged | {"type":"email","to":"user@example.com"} | 1 | 1/15/2024, 10:30:00 AM |
| msg_e5f6g7h8... | Processing | {"type":"webhook","url":"https://api.example.com"} | 1 | 1/15/2024, 10:29:55 AM |
| msg_i9j0k1l2... | Pending | {"type":"image","action":"resize"} | 0 | 1/15/2024, 10:29:50 AM |
| msg_m3n4o5p6... | Failed | {"type":"notification","userId":123} | 3 | 1/15/2024, 10:25:00 AM |
| msg_q7r8s9t0... | Dead Letter | {"type":"sync","source":"external"} | 5 | 1/15/2024, 9:00:00 AM |
Key Features
Automatic Retries
Failed messages are automatically retried with configurable backoff.
Dead Letter Queue
Messages that fail all retries are moved to a DLQ for inspection.
Message Inspection
View message payloads and track status in real-time.
High Throughput
Process thousands of messages per second with automatic scaling.
Queue Consumer
Send and process queue messages in your Worker.
src/index.ts
export default {
async fetch(request, env) {
await env.TASKS.send({
task: "send-email",
to: "user@example.com",
});
return Response.json({ queued: true });
},
async message(event) {
console.log("Processing:", event.payload);
},
};