ISV Integration Overview
This documentation is for ISV (Independent Software Vendor) customers, explaining how to use OristaPay Open APIs to complete onboarding for end customer (merchants) and conduct daily transaction operations on their behalf.Integration Flow
API Documentation
Authentication & Signing
All APIs use OAuth2 + HMAC dual authentication. After completing onboarding, ISVs can call transaction APIs on behalf of merchants by simply passingwalletId. OristaPay automatically enforces authorization based on the ISV ↔ merchant relationship. See Authentication & Signing for details.

