Troubleshooting Missing User Information in Shopify Trigger with n8n and Mautic Integration

Below is some guidance on what to check in your setup:

1. Verify Your API Scopes

When creating your custom app and setting up your Shopify credentials in n8n, make sure that you added all the necessary API scopes. For example, if you’re intending to fetch or act upon customer (user) information, you must include scopes such as

• read_customers
• write_customers

In the documentation, the default recommended scopes for orders and products are highlighted. If customer details are not being returned, it’s likely that the customer scopes haven’t been enabled on the app. You can adjust these settings in your Shopify Admin > Settings > Apps and sales channels and then within Develop apps by updating the Admin API access scopes for your custom app.

2. Check What Data the Trigger Provides

Keep in mind that the Shopify Trigger node is designed to react to events (for example, order updates or product events) and may not include complete customer details in the payload. If you need more detailed information about the customer, you may have to follow up with an additional API call using the Shopify node (or another HTTP Request node) after the trigger fires. This additional node can then use the event data (such as a customer ID) to fetch full customer details.

3. Review n8n Node Configuration

Double-check the configuration of your second node. Ensure that:

• You have the correct resource or operation selected (for example, one that retrieves customer data).
• Any additional options (such as “Resolve IDs”) are enabled if you need to convert IDs to names or detailed information.

4. Test the Workflow and Inspect the Data

Run the workflow in test mode and inspect the outputs of both nodes.

• Confirm that the trigger node provides an identifier for the user/customer.
• Verify that the subsequent node is correctly using this identifier to fetch the information.
  If not, examine the node’s settings to see if an expression or parameter is misconfigured.

Summary

It’s very likely that you need to adjust your custom app’s API scopes on Shopify so that your credentials in n8n include access to user (customer) information. Additionally, confirm that your workflow’s second node is configured to use the customer ID from the trigger to perform an API call that returns the full user details.

Let me know if you need more details on any of these steps.