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Changelog

Documentation and API changes are listed newest first.

2026-09-25​

Documentation​

  • Deprecated (POST /v1/transaction, POST /v1/transaction/health): The ip query parameter. Use customer.ip, customer.ipV4, or customer.ipV6 in the request body instead.

  • Deprecated (POST /v1/transaction, POST /v1/transaction/health): The X-Forwarded-For header. Use customer.ip, customer.ipV4, or customer.ipV6 in the request body instead.

2026-09-24​

Documentation​

  • Add POST /v1/transaction/health endpoint for transaction health checks.

2026-09-22​

Documentation​

  • Updated Calculator documentation and examples to v2 with the required partner_id and signature parameters following the introduction of Request Signing.

2026-09-21​

API Reference​

  • GET /v1/estimate and POST /v1/transaction now return the error code PAIR_NOT_AVAILABLE instead of BAD_REQUEST when the selected currencies, networks and payment method cannot be exchanged together. The HTTP status (400) and the error message stay the same.

2026-08-17​

Documentation​

  • Reorganized the Guides, API integration, Checkout and widget, API Reference and Changelog navigation.
  • Added Authentication, Create an exchange, Supported assets, Supported countries and Payment methods pages.
  • Rewrote Introduction and moved the contact block to that page.
  • Restructured the Webhooks guide and clarified transaction event triggers.
  • Added an introduction, base URL and required token details to Widget query parameters.
  • Renamed pages and added permanent redirects from their previous URLs.
  • Standardized public terminology, sentence-case headings and JSON formatting.

API reference​

  • Renamed the create transaction documentation URL from create-cransaction to create-transaction.
  • Renamed the Market info and Payment category sections.
  • Replaced authentication copy on the overview with a link to the Authentication guide.