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HTTP Status Code
424 Failed Dependency
Client ErrorThe request failed because it depended on another request that failed first.
HTTP status code reference, response example, common causes, fixes, and related status codes.
What does HTTP 424 Failed Dependency mean?
HTTP 424 Failed Dependency is a status code sent by a server to indicate the result of an HTTP request.
Status codes help browsers, APIs, apps, and backend systems understand whether a request succeeded, failed, was redirected, or needs additional action.
In practice, HTTP 424 Failed Dependency usually appears when a server responds under specific request, validation, permission, or infrastructure conditions.
Response example
HTTP/1.1 424 Failed Dependency
HTTP example
HTTP/1.1 424 Failed Dependency
Common causes
- Chained request failure
- Dependent operation did not succeed
- Multi-step transaction problem
How to fix it
- Inspect the earlier failed request
- Resolve dependency failures before retrying
Common mistakes
- Assuming the status code alone explains the full backend issue
- Ignoring related response headers that add important context
- Treating temporary errors as permanent failures
- Retrying too aggressively without checking the cause
- Debugging the frontend only when the problem is server-side
How browsers and APIs use it
Browsers, APIs, and backend services use HTTP status codes to understand the outcome of a request. Depending on the status code, an application may render content, retry a request, redirect the user, show an error, or trigger a different flow in the client or server.
Developer note
This status is especially useful in workflows where one action depends on the success of a previous one.