# Grok API Error Codes {% embed url="" %}

Error Codes
400	Bad Request	A `POST` method request body specified an invalid argument, or a `GET` method with dynamic route has an invalid param in the URL. An incorrect API key is supplied. Please check your request body or request URL.
401	Unauthorized	No authorization header or an invalid authorization token is provided. Supply an `Authorization: Bearer Token <XAI_API_KEY>` in the request header. You can get a new API key on xAI Console.
403	Forbidden	Your API key/team doesn't have permission to perform the action. Your API key/team is blocked. Ask your team admin for permission.
404	Not Found	A model specified in a `POST` method request body is not found. Trying to reach an invalid endpoint URL. (Misspelled URL). Check your request body and endpoint URL with our API Reference.
405	Method Not Allowed	The request method is not allowed. For example, sending a `POST` request to an endpoint supporting only `GET`. Check your request method with our API Reference.
415	Unsupported Media Type	An empty request body in `POST` requests. Not specifying `Content-Type: application/json` header. Add a valid request body. Ensure `Content-Type: application/json` header is present in the request header.
422	Unprocessable Entity	An invalid format for a field in the `POST` request body. Check your request body is valid. You can find more information from API Reference.
429	Too Many Requests	You are sending requests too frequently and reaching rate limit Reduce your request rate or increase your rate limit. You can find your current rate limit on xAI Console.
202	Accepted	Your deferred chat completion request is queued for processing, but the response is not available yet. Wait for request processing.

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