422 Unprocessable Content

What it means

Common in APIs for validation errors, such as a missing required field or an invalid email address.

Common causes

• Validation failed on one or more fields.

How to fix it

1. Read the error details in the response body and correct the listed fields.

Example response

HTTP/1.1 422 Unprocessable Content
Content-Type: application/problem+json

Worked example

A client sends a request the server cannot fulfill as submitted. Check the response body and request details, correct the input or permissions, and retry only after the relevant issue is resolved.

How to read this response

1. Find the status line in your browser's Network panel, API client, or server access log.
2. Read the response body and headers shown above; headers such as Location, Allow, Retry-After, and WWW-Authenticate explain the next step.
3. Use the code's class to orient your diagnosis: informational, successful, redirected, request-related, or server-side.

How to check a status code

Enter a URL in the HTTP Status Checker to see its status code, every redirect hop, and response time. For redirect-heavy pages, the Website Speed Test shows how much time redirects add.

Frequently asked questions

What it means: HTTP 422

422 Unprocessable Content: The request is well-formed but contains invalid data.

Common causes: 422

Validation failed on one or more fields.

How to fix it: HTTP 422

Read the error details in the response body and correct the listed fields.

Tools