헥토파이낸셜 개발자센터

White-Label Payments API Reference

API reference for white-label payment integration. Supports checkout, payment approval/cancellation, and transaction inquiry.

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Overview

White-Label Payments introduction

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Getting Started

Integration flow: checkout to approval

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API Testing

Every API reference page includes a built-in test panel for sandbox testing.

White-Label APIs

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Checkout

White-label checkout launch (UI)

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Payment Approval

Payment approval after checkout auth

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Cancellation

Cancellation & refund processing

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Transaction Lookup

Real-time transaction status lookup

Reference

Error CodesFinancial Institution Codes