- Getting Started
- Tutorials
- Reference
- API Reference
- Basic Payment
- Authentication
- Card Account
- Apple Pay
- Virtual Account
- Bank Account
- Token Account
- Customer
- Billing Address
- Merchant Billing Address
- Shipping Address
- Merchant Shipping Address
- Corporate
- Merchant
- Marketplace & Cart
- Airline
- Lodging
- Passenger
- Tokenization
- Recurring Migration
- 3D Secure
- Custom Parameters
- Async Payments
- Webhook notifications
- Risk
- Point of Sale
- Response Parameters
- Card On File
- Chargeback
- Result Codes
- Brands Reference
- API Reference
- FAQ
- Imprint

Webhooks
How do I know which of my transactions the webhook notification is referring to?
If the webhook notification is for a transaction status change, you will get at least one of the following data: id, referenceId, registrationId, or merchantTransactionId. You can use these fields to match your transaction data against the webhook notification.
Webhook connection
For PCI compliance, SSL connections using untrusted certificates are not allowed. Please ensure you have a valid SSL certificate chain. Self-signed certificates are not valid.