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How to connect smartphone payments (PayPay / Merpay) with Shopify

Updated

*LINE Pay service ended on February 28, 2025 at 11:59 PM.

When setting up smartphone payments (PayPay / Merpay) on Shopify, you can choose from one of the following methods.

 

Please see below for examples of how each of these methods can be used and how to set them up, and then select the desired connection method.

 

【1】Show all 2 smartphone payments together

【2】Display separately for each payment method

 

<Other references>

How to set up smartphone payments (PayPay / Merpay)

How to disable (hide) KOMOJU in Shopify

【1】Show all 2 smartphone payments together

By using the Shopify application "KOMOJU ‑ スマホ決済", you can display all three smartphone payments together. By using this method, you do not need to set up each smartphone payments one by one and can use all three in a single setup.

*Shopify Checkout page:

 

Reference: Shopify "Smartphone Payment" payment screen transition

【2】Display separately for each payment method

 

By setting up the Shopify applications "KOMOJU - PayPay" and "KOMOJU - Merpay", it is now possible to display each payment method.

If you do not have all smartphone payments installed, you can use this method to display each payment method.

*Shopify Checkout page (PayPay):

*Shopify Checkout page (Merpay):

Please confirm the payment transition after the above by clicking 【Paypayを選択】【メルペイを選択】 on this page.

 

How to set up smartphone payments (PayPay / Merpay)

 

  1. Login to KOMOJU and select ① [Settings], then ② [Click here to get started] under Setup Shopify.

  1. On the page to connect your Shopify store, select one of the following options and click the "Connect" button.

*If you have already completed the settings, "Connected" will be displayed.

If both connections are made, the customer will see duplicate options on the confirmation screen, so please set up only one of them.

To disable an existing connection, please refer to this page.

 

3. Click "Add app" in the Shopify app store

  1. Please log in to Shopify and select the Shopify Store to link.

 

  1. The contents of the payment to be connected will be displayed, click "Link" at the bottom of the screen

 

  1. Choose "Install app"

 

  1. Select KOMOJU account to link（This page will be skipped if you only have one KOMOJU account.）

     

  2. Click 'Activate KOMOJU' and the settings completes

 

*Please set up each payment methods with the above steps.

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