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Which account's API quota is used when a role is assumed?

1

If user A and user B assume the same role and both users are making a large number of AWS API requests as the assumed role, are the AWS API quotas / rate limits shared?

Topics
Compute
Tags
Amazon EC2Service Quotas
Language
English
AWS-User-6786833
asked 2 years ago652 views
2 Answers
1

The API rate limits are applied to account to which the calling credentials belong.

So if user A from account X assumes role B in account Y and then makes API calls it is account Y where the limits are applied.

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EXPERT
Brettski-AWS
answered 2 years ago
  • lzap
    a year ago

    There is an answer that says the opposite, if I read this correctly. Can you elaborate please?

  • Brettski-AWS EXPERT
    a year ago

    I don't know what else to add here: The limits are applied to the account where the credentials that are calling the API belong to. If you assume a role in another account (let's call that account "M") then the limits are applied to account M, not the original account where you assumed the role from.

1

Limits are applied account-wise. In the the case described above, the limitation is applied to the account to which gets the API Call.

JapanTakeAWSConsole
answered 2 years ago
  • lzap
    a year ago

    There is an answer that says the opposite, if I read this correctly. Can you elaborate please?

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