HTTP API Tester
Send REST API requests directly from your browser — no install, no account. Supports GET, POST, PUT, PATCH, DELETE with custom headers and JSON body. Responses are pretty-printed with status code, timing, size, and header inspection. Request history is saved locally.
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HTTP Status Code Reference
Complete HTTP status code reference. Search all 1xx, 2xx, 3xx, 4xx, and 5xx codes with plain-English descriptions, real-world use cases, and when to use each in REST APIs.
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HTTP Status Code Reference
Complete HTTP status code reference. Look up all 1xx, 2xx, 3xx, 4xx, and 5xx codes with plain-English descriptions, real-world use cases, and when to use each. Searchable and filterable.
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HTTP Status Code Lookup
Browse and search all HTTP status codes (1xx–5xx). Get name, description, common causes, and when to use each code. Complete REST API status code reference.
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