Payflex Merchant API

REST API for integrating Payflex BNPL installment payments into e-commerce platforms. Supports order creation with hosted or embedded checkout flows, order status retrieval, full and partial refunds, merchant configuration retrieval, and OAuth2 client-credentials authentication. Merchants provide customer details, billing/shipping addresses, and order amounts; Payflex returns a redirect URL and order token to complete the payment flow.

OpenAPI Specification

openapi.yml Raw ↑