> ## Documentation Index
> Fetch the complete documentation index at: https://docs.creptapay.com/llms.txt
> Use this file to discover all available pages before exploring further.

# List Customers

Retrieve a list of all customer profiles associated with your business.

## Request authentication

This endpoint requires a **Secret Key** (`sk_...`) passed in either the `x-api-key` header or as a Bearer token in the `Authorization` header.