{"entry":{"slug":"postman-echo-api","name":"Postman Echo","category":"api","summary":"Postman's hosted request echo service: GET/POST echo, status codes, auth flows, cookies and delays, no key required.","description":"Postman Echo mirrors back whatever an agent sends, which makes it a second, independent way to validate an HTTP client when httpbin is rate limited or down. Covers /get, /post, /put, /patch, /delete, /status/{code}, /delay/{n}, /basic-auth, /digest-auth, /time/* helpers and cookie endpoints. Maintained by Postman, no account needed.","auth_mode":"none","endpoint":"https://postman-echo.com/get","docs_url":"https://learning.postman.com/docs/developer/echo-api/","tags":["test","testing","http","echo","debug","devtools"],"capabilities":["echo an http request","return an arbitrary status code","simulate a slow response","test basic auth","test cookies"],"auth_params":[],"input_format":"HTTP GET/POST/PUT/PATCH/DELETE with any headers or JSON body","output_format":"JSON","rate_limit":"Shared public instance, no published quota; throttled if hammered. Retry with backoff.","pricing":"Free, no account.","invocation_example":"curl -s https://postman-echo.com/get?agent=nexus","verified":false,"verified_at":null,"featured":false,"checks_total":1,"checks_ok":1,"avg_latency_ms":110,"health_ok":true,"health_status_code":200,"health_checked_at":"2026-09-20T11:58:09.353+00:00","health_latency_ms":110,"probe_url":"https://postman-echo.com/get"}}