> ## Documentation Index
> Fetch the complete documentation index at: https://docs.wandb.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Quotas & Rate Limits

<Card title="API error code 402 - You exceeded your current quota" href="/support/inference/articles/api-error-code-402-you-exceeded-your-cur" arrow="true" horizontal>
  A 402 error with the message "You exceeded your current quota, please check your plan and billing details" means you've  ...
</Card>

<Card title="API error code 429 - Concurrency limit reached for requests" href="/support/inference/articles/api-error-code-429-concurrency-limit-rea" arrow="true" horizontal>
  A 429 error with the message "Concurrency limit reached for requests" means you're sending too many concurrent requests  ...
</Card>