{ "title": "Publish a Message to a Destination URL", "description": "Example showing how to publish a JSON message to an endpoint with a 5-minute delay and 3 retries", "request": { "method": "POST", "url": "https://qstash.upstash.io/v2/publish/https://example.com/webhook", "headers": { "Authorization": "Bearer ", "Content-Type": "application/json", "Upstash-Delay": "5m", "Upstash-Retries": "3", "Upstash-Callback": "https://example.com/callback" }, "body": { "event": "user.created", "userId": "usr_abc123", "timestamp": 1749686400 } }, "response": { "status": 201, "body": { "messageId": "msg_2XavMmRcJHJf7HkNtNqjfVf8uQe", "url": "https://example.com/webhook" } } }