EC2 API Throttling Limits

Question

I was thinking that if there are any EC2 API Throttling Limits like EMR that would limit the number of calls you can make to EC2 pet second or min?

So what are these limits?

Answer 1

We throttle EC2 API requests for each AWS account to help the performance of the service. While the details may vary between the plethora of their services, I think it is safe to assume similar patterns in place usually. AWS is capable of rising/reducing limits for individual accounts depending on dedicated high-performance use cases, suspected abuse, etc.

Amazon Route 53 is documenting its specific Limits on Amazon Route 53 API Requests and Entity Counts:

All requests: Five requests per second per AWS account.

Amazon SES also documents a specific limit of one request/second for most API actions (presumably all but SendEmail and SendRawEmail), see e.g. GetSendQuota:

This action is throttled at one request per second.

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