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How many API calls am I allowed to make per a time period?

Many developers would like to know ahead of time how many calls they are allowed to make before their app gets throttled.


There are certain API usage plans which are applied to 3rd party applications which use the RingCentral API. These plans can vary depending on a particular API or a users current service plan. But in most cases our servers will reject API requests from a particular application if the request rate exceeds 30 API requests per minute. In this case the client will get an HTTP error with status code 429 too many requests.


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justin-nahin111 answered
That seems like too much of a restriction. How do we increase this?
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tt2 answered

Hello Justin,


Please submit a request by opening a support ticket or emailing the developer support team, describing your use case and your ideal API requests per minute.


Then we will review your use case and make a decision.

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Developer sandbox tools

Using the RingCentral Phone for Desktop, you can dial or receive test calls, send and receive test SMS or Fax messages in your sandbox environment.

Download RingCentral Phone for Desktop:

Tip: switch to the "sandbox mode" before logging in the app:

  • On MacOS: press "fn + command + f2" keys
  • On Windows: press "Ctrl + F2" keys