Rillet Integration
Integrating Rillet with Sphere enables a.) seamless transaction data import and b.) live tax calculation within Rillet invoices.
This guide provides step-by-step instructions on generating an API key in Rillet, linking it to Sphere for a secure integration.
It also covers configuring the Sphere Tax API within Rillet to ensure accurate tax calculations.
Part 1: Configure Data Synchronization from Rillet to Sphere
Prerequisite: Note: Rillet authenticates API requests using API keys. To get started, reach out to the Rillet team to enable access. Once enabled, you can create and manage your API keys from the Organization Settings page.
In your Sphere account, select the Rillet tile and click the “Connect” button.

A modal will appear — click the “Get Started” button to proceed.

Navigate to your Organization Settings by clicking on your Rillet account name in the bottom left corner, and then clicking Organization Settings. From there, navigate to the API Access section (https://app.rillet.io/settings/api-access) and generate a new API key by clicking on Create New API Key. Make sure to NOT select the read-only box.

Go back to the Sphere app, paste the Rillet API key, and click Next.

Select the Rillet subsidiary you want to associate with your Sphere organization. NOTE: If you only have 1 entity in your Rillet account it will be automatically selected for you and this step will be skipped.

Copy the Rillet webhook URL from the screen below

In Rillet, navigate to Organization Settings > Webhooks (https://sandbox.rillet.io/settings/webhooks) and click the Create webhook button.

Paste the URL from Step 6 to the URL field
Under Entity, select:
Invoice, and check the boxes for Created, Updated, Deleted, Payment Updated
Click Add Entity right below
Select the Credit Memo entity, and check: Created, Updated, Deleted, Payment Updated
Click 'Create'

On the same page as the previous step, Click on the Webhook you just configured, and copy the 'Signing token' into the Rillet webook secret field in the Sphere integration (in the page in Step 6)

You’re all set! If the connection is successful, data will begin importing, and after some time, your products will appear in Sphere.

Tax Calculation in Rillet
Ensure all your 'Subscribed Regions' in Sphere have 'Tax Calculations' settings switched to Yes (see video here on how to ensure this is done).

You can go ahead and create an invoice in Rillet for that region. After saving your changes, taxes will be added to the invoice by Sphere through an asynchronous process. This might take some time, so they may not appear immediately.
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