HTTP API API Responses

39 known error codes

HTTP-400 Easy Fix

HTTP 400 Bad Request indicates request payload/schema malformed for this API request path.

HTTP-401 Easy Fix

HTTP 401 Unauthorized indicates authentication token missing or invalid for this API request path.

HTTP-402 Easy Fix

HTTP 402 Payment Required indicates billing/plan requirement blocked execution for this API request path.

HTTP-403 Easy Fix

HTTP 403 Forbidden indicates caller authenticated but lacks permission for this API request path.

HTTP-404 Easy Fix

HTTP 404 Not Found indicates resource id/path does not exist for this API request path.

HTTP-405 Easy Fix

HTTP 405 Method Not Allowed indicates HTTP method unsupported for endpoint for this API request path.

HTTP-406 Easy Fix

HTTP 406 Not Acceptable indicates Accept negotiation failed for requested representation for this API request path.

HTTP-407 Easy Fix

HTTP 407 Proxy Authentication Required indicates proxy authentication challenge not satisfied for this API request path.

HTTP-408 Easy Fix

HTTP 408 Request Timeout indicates client/request timeout expired before completion for this API request path.

HTTP-409 Easy Fix

HTTP 409 Conflict indicates resource state conflict prevented write for this API request path.

HTTP-410 Easy Fix

HTTP 410 Gone indicates resource intentionally removed permanently for this API request path.

HTTP-411 Easy Fix

HTTP 411 Length Required indicates Content-Length header is required for this API request path.

HTTP-412 Easy Fix

HTTP 412 Precondition Failed indicates conditional request precondition failed for this API request path.

HTTP-413 Easy Fix

HTTP 413 Content Too Large indicates request body exceeds allowed size limit for this API request path.

HTTP-414 Easy Fix

HTTP 414 URI Too Long indicates request URI exceeds server/path limits for this API request path.

HTTP-415 Easy Fix

HTTP 415 Unsupported Media Type indicates content type not supported by endpoint for this API request path.

HTTP-416 Easy Fix

HTTP 416 Range Not Satisfiable indicates range request outside available resource bounds for this API request path.

HTTP-417 Easy Fix

HTTP 417 Expectation Failed indicates Expect header condition could not be met for this API request path.

HTTP-421 Easy Fix

HTTP 421 Misdirected Request indicates request sent to wrong backend authority for this API request path.

HTTP-422 Easy Fix

HTTP 422 Unprocessable Content indicates semantic validation failed for request fields for this API request path.

HTTP-423 Easy Fix

HTTP 423 Locked indicates target resource currently locked for this API request path.

HTTP-424 Easy Fix

HTTP 424 Failed Dependency indicates dependent operation failed upstream for this API request path.

HTTP-425 Easy Fix

HTTP 425 Too Early indicates server rejected replay-risk request timing for this API request path.

HTTP-426 Easy Fix

HTTP 426 Upgrade Required indicates protocol upgrade required by server for this API request path.

HTTP-428 Easy Fix

HTTP 428 Precondition Required indicates missing required precondition headers for this API request path.

HTTP-429 Easy Fix

HTTP 429 Too Many Requests indicates rate limit budget exhausted for this API request path.

HTTP-431 Easy Fix

HTTP 431 Request Header Fields Too Large indicates request header set exceeds allowed size for this API request path.

HTTP-451 Easy Fix

HTTP 451 Unavailable For Legal Reasons indicates resource blocked for legal/policy reasons for this API request path.

HTTP-500 Moderate

HTTP 500 Internal Server Error indicates unhandled server exception occurred for this API request path.

HTTP-501 Moderate

HTTP 501 Not Implemented indicates server feature not implemented for this API request path.

HTTP-502 Moderate

HTTP 502 Bad Gateway indicates gateway received invalid upstream response for this API request path.

HTTP-503 Moderate

HTTP 503 Service Unavailable indicates service temporarily unavailable due to load/maintenance for this API request path.

HTTP-504 Moderate

HTTP 504 Gateway Timeout indicates gateway timed out waiting for upstream for this API request path.

HTTP-505 Moderate

HTTP 505 HTTP Version Not Supported indicates HTTP protocol version unsupported for this API request path.

HTTP-506 Moderate

HTTP 506 Variant Also Negotiates indicates content negotiation variant configuration invalid for this API request path.

HTTP-507 Moderate

HTTP 507 Insufficient Storage indicates server lacks storage capacity for operation for this API request path.

HTTP-508 Moderate

HTTP 508 Loop Detected indicates processing loop detected in backend logic for this API request path.

HTTP-510 Moderate

HTTP 510 Not Extended indicates required protocol extension missing for this API request path.

HTTP-511 Moderate

HTTP 511 Network Authentication Required indicates network authentication gate blocked request for this API request path.