---
title: Au Pay-JSSDK Integration
permalink: /en/notes/paymentMethods/AuPay/sdk/
createTime: '2025/06/24 11:04:19'
description: >-
  Introduction to accepting Au Pay payments by integrating Au Pay-JSSDK at the checkout. Suitable for online merchants in Japan, supporting pre-ordering through API and rendering checkout to complete payment process. Key steps include requesting checkout pre-order to obtain accessToken and using embedded JS-SDK to render checkout.
---

Accept Au Pay payments by integrating the checkout.

## Integration Navigation

### Step1 Request <a href="/en/notes/checkout/api/reserve/" target="_blank">Checkout Pre-order</a>

In the response of API <a href="/en/notes/checkout/api/reserve/" target="_blank">Checkout Pre-order</a>, you can obtain `accessToken`

<v4-v2-PaymentMethods-Params></v4-v2-PaymentMethods-Params>

### Step2 Render Checkout

Integration documentation: <a href="/en/notes/services/checkout/hosted/sdk/" target="_blank">Embedded JS-SDK</a>

## Checkout Integration Best Practices

See details in <a href="/en/notes/guide/bestPractices/apmDemo/" target="_blank">APM Integration Method Practice</a>