bad request

Malformed input message

A bad request is a malformed or invalid submission that a system cannot process.

In computing, it typically refers to HTTP error 400, returned when a server rejects a request due to incorrect syntax, missing parameters, or invalid data: The API returned a bad request error because the date format was wrong.

The term has spread beyond technical contexts to describe any ask that's unclear or impossible to fulfill.

Related

HTTP · status code · syntax · syntax error · denied · access denied · rejected · failed · timeout · query · response · crash · glitch · broken · corrupt · missing · 404 not found · unauthorized

Categories
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HTTP response validity

bad requestOK

Acceptable, approved

success · 200 · accepted · completed · fulfilled

error attribution

bad requestserver error

Backend malfunction notification

500 error · 500

Family

bad, badly, badness, badder, baddest, request, requests, requested, requesting

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Used worldwide · Timeless · Negative · Rated G