About OpenCard - OpenCard

OpenCard is the pipe between card programs and your app — transactions, receipts, VAT, line items, and environmental impact, pushed to your webhook as stuff happens. No polling. No scraping PDFs.

Who are you?

You are…	Go here	What you do
🏢 Expense Management System	Quickstart	Create orgs, card holders, webhooks. Receive transaction events.
💳 Card issuer / bank	Card Issuers	Deliver transactions via the Issuer API, or fetch digital receipts via `receipts.opencard.io`.
🧾 Receipt provider	Receipt Providers	Collect receipts, deliver to OpenCard for Expense Management System enrichment.

The 30-second version

What you get pushed to your webhook

card.transaction.authorized — purchase just happened
card.transaction.cleared — settled, use for accounting
card.transaction.deleted — auth reversed
card.transaction.invoiced — has invoice number
receipt.fetched — digital receipt URL
transaction.true.vat — correct VAT from merchant
transaction.line.items — purchase line items
card_holder.* — lifecycle events
tpa.signed — legal agreement done

Next step

→ Quickstart — full walkthrough from register to first webhook.