BigCommerce API Connection

BigCommerce API Connection

Use the store owner account to create the store-level API account. BigCommerce permits only the store owner to create these credentials.

Get the connection details

1. Sign in as the store owner. Open Settings and select Store-level API accounts near the bottom of the page.

2. Click Create API account. Select V2/V3 API token for Token type, enter a name, and copy the API path.

3. Set the OAuth permissions below. Use Read-only when BigCommerce is the Source Store and Modify when it is the Target Store.

   OAuth scope	Data or requirement
   Content	Required.
   Customers	Customer data.
   Information & Settings	Required.
   Marketing	Required.
   Orders	Order data.
   Products	Product data.
   Channel Settings	Required.
   Channel Listings	Required.
   Store Locations	Required when migrating Products.
   Store Inventory	Required when migrating Products.

4. Click Save. BigCommerce downloads a .txt credentials file and displays the credentials in a pop-up.

5. Record the API path, Client ID, and Access Token for the API account. Client Secret is not required for the Next-Cart connection.

Enter the values in Next-Cart

Next-Cart field	Value to enter
Store URL	The BigCommerce store URL.
API Path	The API path from this store-level API account.
Client ID	The generated Client ID.
Access Token	The generated Access Token.

Before importing Orders

Review the BigCommerce notification checks in Confirm Migration Readiness before running an Order migration.

Verify this connection

Use Test Platform Connections for optional access verification. A successful test shows Connected. If the platform remains Not connected, use the shared recovery checks before continuing.