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.
Key concepts
The A2A payment model, Trustly Lightbox, and transaction lifecycle.
The Establish Data object
Configure merchant credentials, transaction details, and customer data.
Transactions and transaction IDs
How transaction IDs track authorizations and payment events.
Tokens and account security
Tokenized bank account information and stored credential security.
Redirect URLs
Configure return and cancel URLs for user redirects.
Webhooks and events
Receive asynchronous transaction status updates.
Content strings
Trustly-provided UI strings for product names and messaging.