Checkout Guide

The Onerway Checkout offers a secure, optimized payment experience with various integration options.

Introduction

During the checkout process, customers are securely redirected from:

• Origin: Merchant's website or application
• Destination: Payment Service Provider's (PSP) hosted checkout page

This hosted payment solution:

1. Provides pre-built payment UI
2. Supports multiple payment methods
3. Provides a secure payment environment
4. Handles sensitive payment data processing
5. Ensures PCI DSS compliance
6. Streamlines the payment experience

Note

The hosted checkout page is fully managed by the PSP, reducing the merchant's compliance scope and security responsibilities.

Checkout Types

Card Only Checkout

• Optimized for card payments
• Streamlined integration process
• Suitable for businesses focusing on card transactions

Learn More

Unified Checkout

• Comprehensive payment solution
• Card payments
• Local payment methods
• Digital wallets
• Alternative payment methods (APMs)

Learn More

Integration Flow

1. Call the checkout API
2. Obtain redirectUrl from the API response
3. Redirect user to the redirectUrl
4. Upon payment completion, user will be redirected to the returnUrl
5. Process webhook notification and update order status

⚠️ Important: After processing the webhook notification, you must return the transactionId received in the notification payload.

Flow Diagram