> For the complete documentation index, see [llms.txt](https://docs.blockchain.com/pay/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.blockchain.com/pay/getting-started/testing-your-integration.md). # Testing your integration When your account is opened, your widget will support users using your company email address only ie. members of your team. Those users be will using live production systems so that you see exactly what your customers see. This means you can use real identity documents when onboarding and use real credit and debit cards in the app to buy crypto. {% hint style="info" %} All information, including identify documents, will be held securely according to our production standards. {% endhint %} ## Custom fees and balances Speak to us about how to manage fees and crypto balances for testing. Reach out to your account manager or drop us an email on .