# Test Numbers

- [Test Numbers for Collections](https://startbutton.gitbook.io/startbutton-product-api/startbutton-api-doc/test-numbers/test-numbers-for-collections.md): The numbers are dedicated to helping you complete test collections in our sandbox environment.
- [Test Numbers for Transfers](https://startbutton.gitbook.io/startbutton-product-api/startbutton-api-doc/test-numbers/test-numbers-for-transfers.md): The following numbers are dedicated to allowing you process and complete test payouts on our Sandbox environment.


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