How to Fix AWS Bedrock Throttling Error

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Experiencing a 429 ThrottlingException while using Amazon Bedrock usually means your account is sending more requests than allowed. This could happen if the number of Requests Per Minute (RPM) or Tokens Per Minute (TPM) exceeds the set limits. Sometimes, these quotas are set to zero by default, especially for specific models or accounts.

If you submitted a request to increase your quotas three days ago and haven’t seen any changes yet, here are some practical steps you can take to resolve the issue.

First, check your current quotas in the Amazon Bedrock console under Service Quotas. Make sure that your quotas for the Claude Sonnet model are not set to zero. This will help you verify if the limits are causing the throttling.

Next, follow up on your existing support requests. Since three days is a long wait, consider reopening your case or creating a new support ticket. Clearly explain your situation, especially noting that your account has been inactive and might need reactivation or additional verification.

Also, review your account status. If you’re using a free account that hasn’t been active recently, Amazon may require extra steps to verify your identity or reactivate the account before increasing quotas. Completing these steps can help move your request along faster.

While waiting for your quota increase, see if there are other models in Amazon Bedrock with non-zero quotas that you can use temporarily for testing or development purposes. This way, you won’t be completely stalled while waiting for the main model’s quotas to be updated.

For future use, once your quotas are increased, implement smart retry logic. Use exponential backoff combined with jitter to handle any throttling without errors. Also, make sure to monitor your usage through CloudWatch to stay within your allocated limits and avoid similar issues down the line.

Usually, quota increases are processed fairly quickly, so persistent follow-up with AWS Support is your best option. Keep providing clear details about your account and usage to help expedite the process.

For additional guidance, you can check out resources like the official AWS blogs on scaling and handling throttling in Amazon Bedrock, which offer useful tips and best practices.