Cash App Pay Integration

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Prerequisites

Before you integrate Cash App Pay into Shopify make sure that you are:

  • An existing Afterpay merchant on Shopify with a proven integration

  • A US merchant

Overview

There is a four stage Cash App Pay integration process:

There is also an optional step where you can set up some integration testing.

Download the Cash App Pay payment application

Do the following:

  1. Contact us (Afterpay) and ask for the URL for the application download.
  2. When you click the URL, the Shopify App Store loads with the Cash App Pay page.
  3. Click Add app.
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Install the Application

Do the following:

  1. When the Cash App Pay application has downloaded, click Install app in the top right corner.

Optional Step - Set up the Test Mode

While testing is not strictly necessary, it's always good practice to do some testing before your application goes live. To test the integration, do the following:

  1. On the initial Cash App Pay setup screen, click Set up test mode.
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  1. On the Set up test mode screen, enter your test credentials.

  2. Enter your Afterpay merchant ID in the Merchant ID field.

  3. Enter your Afterpay secret key in the Secret Key field.

  4. Click Continue.

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  1. When you see the message Test account has been added click the X in the top right corner of the pop-up.

Connect your account

To connect your account, do the following:

  1. On the initial Cash App Pay setup screen, click Activate with your Merchant ID & Secret Key. The screen changes to display merchant credentials.
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  1. Enter your Afterpay merchant ID in the Merchant ID field.

  2. Enter your Afterpay secret key in the Secret Key field.

  3. Click Continue.

Final Confirmation and Activation

After you click Continue in Step 4 above, you are redirected to the page below for final confirmation.

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Do the following:

  1. Scroll down to the bottom of the page.

  2. Enable the Enable test mode checkbox if you set up the optional test mode earlier.

  3. Click Activate Cash App Pay.

Your customers should now have Cash App Pay available as a payment method at checkout. See also the Cash App Pay messaging in the JavaScript Library.