5 docs tagged with "Authorization"

Learn how Highnote authenticates your cardholders with 3-D Secure, who bears fraud loss after authentication, how to choose a risk policy, and where to find 3DS results in the API and Dashboard.

Query financial account activity to build transaction feeds for your account holders. Retrieve associated ledgers and display transaction history across all cards on an account.

Increase the authorized amount on an existing payment transaction without creating a new authorization. Covers network constraints for Visa and Mastercard, including zero-dollar authorization for extending expiration dates.

Test payment authorizations and declines in the Highnote sandbox using test card numbers for Visa and Mastercard. Includes decline codes, retry policies, and test PANs.

Understand the transaction lifecycle from authorization through clearing and settlement. Covers single-message and dual-message flows, reversals, refunds, and pending fund expiration.