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httpbin

HTTP request and response inspector; echo headers, status codes, auth, delays

httpbin is a simple HTTP request and response service that echoes back whatever you send: headers, query args, request body, your IP, and lets you force arbitrary status codes, redirects, delays and auth challenges. It is the standard sandbox for testing HTTP clients, proxies and webhooks. Now maintained by Postman, and also self-hostable via Docker.

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Free tier

Free, no key; self-hostable via the kennethreitz/httpbin Docker image

Rate limits

Not published on the public instance; self-host for heavy or production use

Auth

No key

Base URL

https://httpbin.org

What you'd build with it

Verify what headers and body your HTTP client actually sends
Test retry/timeout logic with /delay and /status endpoints
Debug a webhook or proxy by echoing the inbound request
Generate a quick random UUID without a library

Key endpoints

GET/getReturns query args, headers and origin IP
POST/postReturns the posted body, form and files
GET/status/{code}Responds with the given HTTP status code
GET/delay/{n}Delays the response by n seconds (for timeout tests)
GET/uuidReturns a random UUID4

Members

Members get the runnable recipe

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