API Error Helper

Debug & Fix HTTP Status Codes with Expert Solutions

Popular API Errors

Frequently Asked Questions

What is a 401 error?

This means unauthorized access – usually due to an invalid or missing API token. Check your authentication credentials and ensure they're properly included in the request headers.

What is a 404 error?

The endpoint could not be found – check the path or resource name. This often occurs when the URL is incorrect or the resource has been moved or deleted.

How does this tool help?

You paste a status code and get instant causes, curl commands, and troubleshooting steps. Our tool provides real-world examples and practical solutions for common API errors.

What is a 403 error?

A 403 Forbidden error means you're authenticated but don't have permission to access the resource. Check your API access levels and permissions.

What is a 500 error?

A 500 Internal Server Error indicates a problem with the server. This is not your fault as a client – the server failed to fulfill a valid request.

Is this tool free?

Yes! This tool is completely free to use. We provide instant error explanations, curl commands, and troubleshooting guides with no registration required.

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