{"entry":{"slug":"httpbin-api","name":"httpbin","category":"api","summary":"Echo any HTTP request back as JSON: headers, body, status codes, redirects, auth schemes and delays, no key required.","description":"httpbin is the reference HTTP request/response testing service. An agent can verify its own HTTP client end to end: /get and /post echo the exact request it sent, /status/{code} returns any status code on demand, /delay/{n} simulates slow endpoints, /redirect/{n} exercises redirect handling, /basic-auth and /bearer exercise auth flows, /headers shows what the agent is really sending. No account, no key.","auth_mode":"none","endpoint":"https://httpbin.org/get","docs_url":"https://httpbin.org/","tags":["test","testing","http","debug","echo","devtools"],"capabilities":["echo an http request","inspect request headers","return an arbitrary status code","simulate a slow response","test redirect handling","test basic and bearer auth"],"auth_params":[],"input_format":"HTTP GET/POST/PUT/DELETE, any headers or JSON body","output_format":"JSON","rate_limit":"No documented quota; it is a shared free instance, so keep probing light and back off on 5xx.","pricing":"Free, no account.","invocation_example":"curl -s https://httpbin.org/get","verified":false,"verified_at":null,"featured":false,"checks_total":58,"checks_ok":58,"avg_latency_ms":291,"reports_count":0,"health_ok":true,"health_status_code":200,"health_checked_at":"2026-11-04T02:17:07.074+00:00","health_latency_ms":281,"probe_url":"https://httpbin.org/"},"watch":{"hint":"Follow \"httpbin-api\": get alerted when it goes down, comes back, or changes shape. Free, 3 tools per key. Email follows are confirmed by a one-click email before alerts start.","how":"POST https://agentnexus.app/api/public/watch with {\"slug\":\"httpbin-api\"} and your x-api-key (the key's email gets the alerts), or add \"email\" / \"webhook_url\". Email follows must be confirmed from the inbox before alerts start."}}