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

# Does the Calls-in-Progress API Have a Rate Limit?

> No official limit — testing shows the Calls-in-Progress API can handle at least 650 requests per 60 seconds without performance issues.

The Calls-in-Progress API doesn't have a programmed rate limit. Testing has shown it can handle a rate of at least 650 requests per 60 seconds without performance issues.

**Applies to:** Customers using the Invoca Calls-in-Progress API to retrieve real-time call data

## Where to go next

* [Can the Calls-in-Progress API Be Used Without a PreSense Subscription?](/s/article/calls-in-progress-api-without-presence)
* [403 Error on the Calls-in-Progress API](/s/article/403-error-calls-in-progress-api)