According to experienced business specialists, the key to gain new customers is to cover more channels of communication with potential clients. Sales platforms such as Stripe, PayPal, Shopify, and eBay provide your customers with an easy and convenient way to complete purchases online so that business owners can enjoy the benefits of an incoming stream of customers. However, many business owners struggle to handle the accounting part that might seem tricky at first glimpse. 

Having connected Affirm to your Accounting company, all your individual transactions along with all the information they contain (customer’s name, transaction amount, taxes, items, taxes, shipping and so on) will be automatically recorded in the Affirm Bank Account (a Clearing account that represents Affirm in your books), categorized and prepared for one-click reconciliation. Be sure that the software will recognize all payment details and record them in your accounting system to keep your Synder, QuickBooks or Xero reporting accurate and up-to-date in accounting terms.

Follow easy steps in this helpful guide, and enjoy seamless synchronization with Synder.


  1. Start the Affirm integration from scratch
  2. Tips and tricks on the Affirm integration

Start the Affirm integration from scratch

  1. Create an account

If you are getting started with Synder you will need to create a free trial account and connect your accounting to Synder first. Check out our detailed guides on how to integrate your Affirm with Synder accounting or QuickBooks Online or Xero and this article to connect your QuickBooks Desktop company.

  1. Set up your organization

The next step is to set up an organization for your business. Fill in the information about your company and hit the Next step button.

  1. Select the platforms you would like to integrate

Now you need to select the platforms you would like to connect to Synder. Mark all sales platforms you would like to integrate with Synder (click View all processors to see the list of all available platforms).

Note: Mark all the services you are using to receive payments, you will be able to connect all of them right away or skip the connection of particular integrations and set them up any time later.

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  1. Select your accounting platform

Select the accounting system you would like to synchronize Affirm transactions to and hit Next step. You can integrate your Affirm with Synder accountingQuickBooks Online or Xero, or your QuickBooks Desktop company.

  1. Connect your accounting company

Set up Synder accounting by selecting your home currency, the first month of the fiscal year, and connecting your bank account following the steps in this article.

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Alternatively, follow the steps on the screen to grant permission to Synder to record data in your QuickBooks or Xero company. If you are a QuickBooks Desktop user, check out this video tutorial to learn How to connect and sync data into QuickBooks Desktop.

  1. Connect your Affirm account

Almost there! To complete the setup you just need to connect your Affirm and other sales platforms to Synder:

  • Enter your Affirm credentials: Merchant ID, Public Key and Private Key (see detailed steps How to acquire Affirm credentials).
  • Hit the Connect button.

Note: If you do not have admin access in Affirm, please hit the Invite button and specify the account owner email. They will receive an invitation via email and will be able to grant the required permissions and connect Affirm to Synder.

Tips and tricks on the Affirm integration

Note 1. Synder mirrors real money flow in your accounting by recording sales and expenses in the Clearing account (Affirm Bank account in your books) that Synder creates automatically during the initial setup.

Note 2. Synder protects your data with two flagship features: duplicate detector and rollback. You can give yourself peace of mind knowing that all the power is in your hands and your accounting is secured.

Note 3. Get familiar with the software in our 3 Must-Watch beginner guides and Features of Synder taking your experience to the next level to find out how Synder can help you automate your bookkeeping.

That’s it, you’ve successfully connected your Affrim account to Synder, enjoy the ride! If you feel like some adjustments are necessary (e.g. you would like to change tax, item, or customer configs), you can manage that in Synder settings. Open them on the left menu → hit the Configure button under your Affirm platform. If you need to fill in gaps with missing data after the sync into your QuickBooks Online, like applying classes or locations to transactions, the Smart Rules feature will be of great service. Now, you can customize your Synder according to your needs.

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

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