Hi,
So I can already use the API to create a new user in my Sandbox environment successfully, and assign a currently unassigned extension/phone number to that user.
Let's say then, that I run out of unassigned extensions. Is there a way to "buy" or add a new extension/phone number from the API? There is a "Create Extension" API endpoint, which I assume would do what I need? Will it automatically update the billing cycle with the new extension added to it?
The number of user extensions in an account is limited by the account type. Currently, a sandbox account can have a max of 4 user extensions. A production account under the "Essentials" plan can have a max of 10 user extensions. Other production account plans have an unlimited number of user extensions.
When your account reaches the max limit, you cannot create new user extensions anymore from both service web and via API.
if you need to add more users after reaching the max limit:
1. For a production account, you can contact your RingCentral account manager.
2. For a sandbox account that is associated with your production account, you can submit a help ticket to our developer support team.
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