API Errors

The following table lists common API errors you might encounter:

Error Code	Message	Cause	Solution
401	Authentication failed	Your authentication credentials are incorrect or your W&B project entity and/or name are incorrect.	Ensure you’re using the correct API key and that your W&B project name and entity are correct.
403	Country, region, or territory not supported	Accessing the API from an unsupported location.	Please see Geographic restrictions
429	Concurrency limit reached for requests	Too many concurrent requests.	Reduce the number of concurrent requests or increase your limits. For more information, see Usage information and limits.
429	You exceeded your current quota, please check your plan and billing details	Out of credits or reached monthly spending cap.	Get more credits or increase your limits. For more information, see Usage information and limits.
429	W&B Inference isn’t available for personal accounts. Please switch to a non-personal account to access W&B Inference	The user is on a personal account, which doesn’t have access to W&B Inference.	Switch to a non-personal account. If one isn’t available, create a Team to create a non-personal account. For more information, see Personal entities unsupported.
500	The server had an error while processing your request	Internal server error.	Retry after a brief wait and contact support if it persists.
503	The engine is currently overloaded, please try again later	Server is experiencing high traffic.	Retry your request after a short delay.