Letter

Letter's direct API availability may be limited. However, you can often access Letter accounts through Open Banking aggregators like Plaid, Tink, or TrueLayer, which provide standardized connectivity to thousands of banks including Letter.

The easiest way to integrate with Letter is through an Open Banking aggregator. These services provide pre-built connections to Letter and handle authentication, data normalization, and compliance requirements on your behalf.

PSD2 compliance depends on Letter's operating jurisdiction. European banks must comply with PSD2, while banks in other regions follow their local Open Banking regulations. Check the compliance section above for specific certifications.

Through Open Banking APIs, you can typically access account balances, transaction history, account holder information, and in some cases initiate payments. The specific data available depends on Letter's API capabilities and the permissions granted by the account holder. All data access requires explicit customer consent.