Core concepts
Foundational components, data models, and security patterns that power Trustly integrations.
Before building your integration, familiarize yourself with Trustly’s core building blocks — from the Establish Data object that configures every transaction to the webhook events that drive your backend logic.
The A2A payment model, Trustly Lightbox, and transaction lifecycle.
Configure merchant credentials, transaction details, and customer data.
How transaction IDs track authorizations and payment events.
Tokenized bank account information and stored credential security.
Configure return and cancel URLs for user redirects.
Receive asynchronous transaction status updates.
Trustly-provided UI strings for product names and messaging.