> For the complete documentation index, see [llms.txt](https://developers.cryptopay.me/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developers.cryptopay.me/guides/customers.md).

# Customers

`Customer` objects allow you to reject [High-Risk](/guides/risks.md) transactions automatically, and to track multiple transactions, that are associated with the same customer. The API allows you to create and update your customers.

Steps to follow:

1. Collect your customers' cryptocurrency addresses that will be used to send illicit funds back to
2. Create a customer object by calling `POST /api/customers`

Customers reference:

{% embed url="<https://reference.cryptopay.me/#tag/Customers>" %}