Two integrations — pick what you need
OpenCard offers two separate APIs. Most issuers start with transaction delivery; digital receipts is optional and runs on a different host.Issuer Integration
Receive signed TPAs, register cards, and push transaction states (
authorized, cleared, invoiced, deleted) to OpenCard for connected Expense Management Systems.Digital receipts
Submit transactions to
receipts.opencard.io for merchant receipt matching — independent from transaction delivery.Issuer Integration at a glance
→ How it works