Get all orders in Squarespace to Google Sheets

This workflow retrieves all Squarespace Orders and saves them into a Google Sheets spreadsheet using the Squarespace Commerce API. It uses pagination to ensure all orders are collected efficiently. How It Works The workflow queries your Squarespace Orders API. It fetches data in paginated batches and inserts them into Google Sheets. The Global node is used to configure API parameters dynamically, allowing users to set date filters, pagination, and fulfillment status. The workflow runs on demand or on a schedule, ensuring your data stays up to date. Parameters This workflow allows you to customize the API request using the Global node settings: api-version (string, required) – The current API

Help me set up the n8n workflow "Get all orders in Squarespace to Google Sheets" (https://n8n.io/workflows/3116). It uses: Google Sheets, HTTP Request. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.