For the complete documentation index, see llms.txt. This page is also available as Markdown.

API reference

This API provides everything needed to integrate crypto payments into your product, including invoice creation, payment tracking, balance management, and withdrawals.

See Authorization for API key authentication.

The OpenAPI page in this section (see the table of contents) is the canonical schema for request and response fields.


What you can build

With the Cryptonly API, you can:

  • Create payment invoices in supported cryptocurrencies

  • Track payment status in real time

  • Receive payment notifications via webhooks

  • Manage balances across assets and networks

  • Automate withdrawals to external wallets

  • Integrate crypto payments into your checkout flow

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