Hercle

REST API Changelog

Stay up to date with the latest changes and improvements to our REST API.

19/02/2026

🚀 Production

  • Webhooks - Webhook integration is now available in production. Configure event subscriptions, receive real-time notifications, and verify payloads using RSA-SHA256 signatures

09/02/2026

✨ Added

  • PATCH /api/v1/payees/{payeeId}/addresses/{payeeAddressId}/approve - Approve Payee Address endpoint for confirming registered payee addresses via EMAIL or API confirmation strategy

06/02/2026

✨ Added

  • Webhooks Documentation - Comprehensive webhook integration guide now available (sandbox only), including payload structure, event types, RSA-SHA256 signature verification, and code examples for Node.js and Python

29/01/2026

✨ Added

  • Idempotency support via Client-Id header (sandbox only) for transactional endpoints: Create Transfer, Create Withdrawal, Create Withdrawal With Address Params, Create Instant Withdrawal, Place OTC Order, Accept RFQ

  • GET /api/v1/transactions/{transactionId} - Get Transaction Ledger now available in Sandbox environment

  • GET /api/v1/end-users/individuals?pageSize={pageSize} - Get Individual End User endpoint (sandbox only)

  • POST /api/v1/end-users/individuals - Register Individual End User endpoint (sandbox only)

22/01/2026

✨ Added

  • add simulate-payin endpoint

15/01/2026 - Documentation Launch

📚 Documentation

  • Initial release: Comprehensive API documentation now available
  • Interactive examples: Code samples
  • Enhanced error handling: Detailed error codes and troubleshooting guides

Coming Soon

We're continuously improving our API. Future updates will be documented here, including:

  • New features and endpoints
  • Breaking changes and deprecations
  • Bug fixes and improvements

Stay Updated

Want to be notified of API changes?

  • Check this changelog regularly for updates
  • Contact your account manager for critical updates

This changelog will be updated as we release new features and improvements.