Developer Utilities
HTTP Status Code Lookup
Search common HTTP response codes by number, name, category, or meaning.
28 matching reference entries
| Code | Name | Meaning |
|---|---|---|
| 100 | Continue | Server received the request headers; the client may send the body. |
| 101 | Switching Protocols | Server is switching to the requested protocol. |
| 200 | OK | The request succeeded. |
| 201 | Created | The request succeeded and created a resource. |
| 202 | Accepted | The request was accepted for asynchronous processing. |
| 204 | No Content | The request succeeded without a response body. |
| 206 | Partial Content | The response contains the requested byte range. |
| 301 | Moved Permanently | The resource has a permanent new URL. |
| 302 | Found | The resource is temporarily available at another URL. |
| 304 | Not Modified | The cached representation is still valid. |
| 307 | Temporary Redirect | Temporary redirect that preserves the HTTP method. |
| 308 | Permanent Redirect | Permanent redirect that preserves the HTTP method. |
| 400 | Bad Request | The server could not understand the request. |
| 401 | Unauthorized | Authentication is required or invalid. |
| 403 | Forbidden | The server understood but refuses the request. |
| 404 | Not Found | The requested resource was not found. |
| 405 | Method Not Allowed | The HTTP method is unsupported for this resource. |
| 408 | Request Timeout | The server timed out waiting for the request. |
| 409 | Conflict | The request conflicts with the current resource state. |
| 410 | Gone | The resource is intentionally no longer available. |
| 415 | Unsupported Media Type | The request payload format is unsupported. |
| 422 | Unprocessable Content | The request is syntactically valid but semantically invalid. |
| 429 | Too Many Requests | The client exceeded a rate limit. |
| 500 | Internal Server Error | The server encountered an unexpected condition. |
| 501 | Not Implemented | The server does not support the required functionality. |
| 502 | Bad Gateway | A gateway received an invalid upstream response. |
| 503 | Service Unavailable | The server is temporarily unavailable. |
| 504 | Gateway Timeout | A gateway timed out waiting for an upstream response. |
How to use HTTP Status Lookup
- Search by code or a word such as redirect.
- Read the response meaning.
- Use application logs to diagnose the actual response.
A practical example
404 indicates a missing resource; the lookup cannot identify whether the cause is a typo or a removed route.
What to check before using the result
A curated reference, not a live website checker. It does not request the URL being diagnosed.
Local processing
Inputs are processed in this tab. The site and some engines still load network assets.
Inspect before sharing
Review the output and keep the original file. Large files may take longer to process.
No account needed
No account, API keys, or watermarks required.