# Bitcofy Merchant API > Payment integration documentation: invoices, hosted checkout, confirmed payments, webhooks and signed payouts. ## Documentation - [Full English documentation](https://pay.bitcofy.pro/docs/en.md): complete guide, parameters, success responses and errors for all 37 public operations. - [Full Russian documentation](https://pay.bitcofy.pro/docs.md) - [OpenAPI](https://pay.bitcofy.pro/openapi.json): public merchant contract. - [Single text document](https://pay.bitcofy.pro/llms-full.txt) Base URL: https://pay.bitcofy.pro. All examples use placeholders. Current asset availability, fees and confirmation thresholds must be obtained from API responses.