HTTP 421 Misdirected Request

HTTP 421 Misdirected Request indicates a client errors response outcome.

What this status code means

Misdirected Request describes how the server processed the request and what the client should do next.

Who should act first

Client request or identity context is usually the first place to fix.

What to check first

Capture exact request path, method, and headers.
Verify authentication and authorization context.
Validate payload schema and content type.

How it differs from similar codes

HTTP 422 Unprocessable Content — full guide

Reference and next step

Specification: RFC 9110.

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