Crypto API

Straightforward APIs to integrate digital currency

Payment21® provides simple and powerful APIs to integrate digital cash into your business or application.

Our gateway is an incredibly versatile payment tool. The APIs provide an easy-to-use client interface with built-in capabilities for handling a large volume of transactions. Our Crypto Payments API is for larger merchants who take advantage of the full-fledged integration service. This solution involves some technical development on the merchant's end, but in return allows for the highest degree of customization. It is a simple, RESTful API to our AML-compliant Bitcoin processing gateway. Payment21® provides a standards-based REST interface which enables developers to interact securely with a given merchant account. The gateway allows you to embed invoices on your cashier page. Shoppers never have to leave your site during the checkout process.

You may call our API directly:

  • Submit payment requests in your local currency
  • Display payment instructions on your website
  • Receive push notifications with status updates
  • Customize settlement frequency to your bank account

Payment21® API Documentation

Technical documents on GitHub

Begin accepting digital payments in 5 easy steps