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When you create an account on the Sinch Build Dashboard, you are given a free virtual long number and nominal balance for testing. 

 

To access your free virtual number, do the following:

 

  1. Login to the Sinch Build Dashboard.

  2. Select Numbers from the left menu and select the Your Virtual Numbers option. The Your virtual numbers page is displayed: 

    Activate Free Test Number Fig1.jpgActivate Free Test Number Fig1.jpg
    Click Activate.

  3. The Free Test Number dialog is displayed:

    Activate Free Test Number Fig2.jpgActivate Free Test Number Fig2.jpg
    Read the information in this page and click Get free test number.

  4. You will be returned to the Your virtual numbers page:

    Activate Free Test Number Fig3.jpgActivate Free Test Number Fig3.jpg

    This page shows you details of your free test number which you can use in the 'from' parameter in many of the Sinch APIs.

  5. Start testing!

 

Note that your free virtual number for testing is valid for 14 days.

 

Looking to rent a number? Check out Getting a number from Sinch.

 

Click here to learn more about how you can get access to a complete range of carefully-tested phone numbers, to use with all your communication services from Sinch.

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Last update:
‎09-03-2026 01:43 AM
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