Meaning
Client error responses indicate a problem with the request.
Causes
- Request or response flow is affected by the status meaning.
- Headers or request body may require changes.
How to fix
- Validate request parameters and authentication.
- Fix client-side input or URL and retry.
Example
HTTP/1.1 424 Failed Dependency
Official references
FAQ
- Is this my problem or the server’s? — It depends on the status class (4xx vs 5xx).
- What should I check first? — Start with the request URL, headers, and body.
When to contact support
If it persists, contact the service owner.