Aug 9, 2024 · HTTP specification defines these standard status codes divided into five categories that can be used to convey the results of a client’s request.

[16] Sometimes, this code is used when providing an HTTP-based web API that needs to respond to the caller immediately, but continue executing asynchronously, such as a long-lived image conversion. …

Nov 3, 2025 · Explore the most common HTTP status codes, review their meanings, and learn some best practices for implementing them.

Feb 2, 2026 · Complete reference for API HTTP status codes. Learn what 400, 401, 403, 404, 429, 500, 502, 503 mean and how to handle each one in your application.

Jan 5, 2026 · HTTP response status codes indicate whether a specific HTTP request has been successfully completed. Responses are grouped in five classes:

The most comprehensive guide to HTTP response codes. Covers standard RFC codes, WebDAV, Cloudflare errors (520-530), Nginx, and how to fix them.

This is an incomplete error code list, please make use of GetErrorList API to get the details of all the error codes and their descriptions.

Status Codes and Error Responses Either when an error occurs or when a response is successful, the response header contains an HTTP code, and the response body usually contains:

Aug 28, 2025 · Many APIs also define their own domains, which identify API-specific errors that are not in the global domain. For those errors, the value of the domain property in the JSON response will be …

Nov 24, 2024 · 1xx Informational Responses 100 Continue: The client can continue with the request. 101 Switching Protocols: The server is switching to a different protocol as requested by the client.