Temporary callback URL

Give a test integration a public callback address.

Your next request starts here.

Create an endpoint, send it a webhook, and see the headers, body, and query parameters as they arrive.

Free · Expires after 1 hour · No account needed

Open an existing inbox

Private to inspect. Expires after one hour. API reference

Guide & examples

About Temporary callback URL

Create a temporary HTTP callback address and inspect incoming test requests without deploying a receiver.

When to use it

Create a temporary HTTP callback address and inspect incoming test requests without deploying a receiver.

Temporary callback URL example

POST /api/inboxes
Send a callback to the returned webhookUrl.
Inspect captured requests with the inspection credential.

How to use it

Create an inbox with private or public receiver access.
Send a test callback to its endpoint.
Inspect and delete captured data when finished.

Limits & privacy

Uses the existing webhook inbox API and its retention, body-size, history, and request-rate limits. New receivers are private. Use X-Access-Token for private callers; inspection uses a separate credential or workspace access.

Use this tool from the API reference or connect through the SDK, CLI, SSH, or MCP. Hosted calls share your plan allowances.