Step 2: Connect Stripe Line Item Retrieval

This step pulls line items from the completed checkout session using Stripe’s API.

1. Add the Retrieve Line Items node and set URL to =https://api.stripe.com/v1/checkout/sessions/{{ $json.data.object.id }}/line_items.
2. Enable Send Headers and set the header Stripe-Version to 2025-05-28.basil.
3. Set the authorization header to Basic [CONFIGURE_YOUR_TOKEN] with your Stripe API token.
4. Connect Checkout Completion Trigger → Retrieve Line Items.

Step 3: Fetch Charge and Invoice Details

This sequence converts the payment intent into a charge and then retrieves charge details.

1. Add the Fetch Charge Identifier node and set URL to =https://api.stripe.com/v1/payment_intents/{{ $('Checkout Completion Trigger').item.json.data.object.payment_intent }}.
2. Enable Send Headers and set authorization to Basic [CONFIGURE_YOUR_TOKEN].
3. Add the Fetch Invoice Details node, set Resource to charge, and set Charge ID to ={{ $json.latest_charge }}.
4. Credential Required: Connect your stripeApi credentials in Fetch Invoice Details.
5. Connect Retrieve Line Items → Fetch Charge Identifier → Fetch Invoice Details.

Step 4: Configure KlickTipp Enrollment

This step subscribes the buyer in KlickTipp and maps Stripe charge data into custom fields.

1. Add the Enroll Buyer in KlickTipp node and set Resource to subscriber and Operation to subscribe.
2. Set Email to ={{ $json.billing_details.email }}.
3. Set List ID to 358895 and Tag ID to 13201265.
4. Map the custom fields exactly as configured:
   • field219541 → ={{ $json.amount }}
   • field220266 → ={{ $json.receipt_url }}
   • field219542 → ={{ $('Checkout Completion Trigger').item.json.data.object.id }}
   • fieldFirstName → ={{ // Access the full name string from the JSON input $json.billing_details.name // Remove any leading/trailing whitespace ?.trim() // Split the name string into an array using one or more whitespace characters (handles multiple spaces) .split(/\s+/) // Select the first word from the array (typically the first name) [0] }}
   • fieldLastName → ={{ // Access the full name from the input JSON $json.billing_details.name // Remove any leading/trailing whitespace ?.trim() // Split the string into an array of words using any whitespace .split(/\s+/) // Get the last word in the array — typically the last name .at(-1) }}
   • field219540 → ={{ $('Retrieve Line Items').item.json.data.map(item => item.description) }}
5. Credential Required: Connect your klickTippApi credentials in Enroll Buyer in KlickTipp.
6. Connect Fetch Invoice Details → Enroll Buyer in KlickTipp.

Step 5: Test and Activate Your Workflow

Validate the full Stripe-to-KlickTipp flow before turning it on for production.

1. Use Stripe’s test mode to complete a checkout session that triggers Checkout Completion Trigger.
2. Run the workflow manually and confirm the execution path follows Checkout Completion Trigger → Retrieve Line Items → Fetch Charge Identifier → Fetch Invoice Details → Enroll Buyer in KlickTipp.
3. Verify Enroll Buyer in KlickTipp creates a subscriber with mapped fields and tags in KlickTipp.
4. When successful, click Activate to enable the workflow for live checkouts.