In this guide you will learn how to get Afterpay Account Login details (Merchant ID and Secret Key) and connect Afterpay to Synder. Synder will automate the accounting for payments from Afterpay and categorize them in your books automatically once you connect and configure your Synder account. So, all the details like tax, shipping, etc. will be transferred into your accounting as well. The connection process is very simple. Here’s what you need for it:

Merchant ID
Secret Key

Learn How to connect your Afterpay to Accounting Software in this helpful guide.


  1. How to get Afterpay login details
  2. How to use Afterpay login details to connect to Synder

How to get Afterpay login details

Please follow the steps below to acquire account login details needed from your Afterpay account:

  1. Access the Home page in your account.
  2. Copy the Merchant ID from the footer of the page below the Orders list in your account.
Afterpay Account Login Details
  1. The Secret Key is equivalent to the password for connecting to Afterpay. The Afterpay team should have sent your Secret Key to the email linked to your account. Find the email in your inbox and copy the Secret Key.
    Note: If you can’t get the Secret Key from there, reach out to your Business Development Manager and obtain your Secret Key. Alternatively, you can reach the Afterpay Merchant Support by raising a ticket or contacting the team directly

How to use Afterpay login details to connect to Synder

Paste your Afterpay details to the corresponding fields in Synder on the “Connect platforms” steps during the onboarding and hit Connect to grant permission to Synder.

Afterpay Account Login Details to connect to Synder

Well-done! Now finish the configuration and enjoy automated data synchronization!

Get in touch with the Synder team via online support chat, phone, or email with any questions you might have – we’re always happy to help you!

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