SquareSpace guide

Create a Squarespace app and configure it so that you can process payments and storefront data through Rutter

Create a Squarespace application. Please make sure you input your information here accurately as modifying them requires contacting Squarespace support (you can find your Rutter organization ID here).
- Set the Redirect URL to be https://production.rutterapi.com/squarespace/proxy/${YOUR_RUTTER_ORG_ID}/redirect
- Set the Initiate URL to be https://production.rutterapi.com/squarespace/proxy/${YOUR_RUTTER_ORG_ID}/initiate
The Squarespace team will send you an email from SendSafely containing your OAuth credentials
Go to https://dashboard.rutterapi.com/platforms/squarespace and copy your Client ID and Client Secret into the Rutter config.
Go to https://dashboard.rutterapi.com/customize expand on Platforms, and enable Squarespace.

Create a SquareSpace Test Store

Go to https://www.squarespace.com/ and click LOGIN
Click CREATE ACCOUNT on the top right
Choose your preferred way to create the account
Pick Online Store and pick any template
Fill in site title
Keep clicking next and get started
You have to subscribe in order to use Squarespace test store. Click Subscribe bottom below
You will need to purchase at least Business plan and finish payment
(Optional) If you want to place test orders while developing your app, go to Commerce → Payments, and make a Stripe account and choose Stripe. You can use Stripe test credit card to purchase on this store.

In order to get featured in Squarespace app marketplace, you will need to have significant traffic and email your Squarespace contact todo that. You don't need to go through app approval process to have merchant connect to your app.