PayOS
A payment platform: authorise, capture, void and refund through one gateway, with sagas, a transactional outbox, a double-entry ledger and tokenised card data.
Authorise, capture, void and refund
A hold, a capture into the settled balance, partial capture, capped refunds.
Sagas with compensation
Every step of a payment or refund has a rollback.
Double-entry ledger
A database constraint keeps every line a debit or a credit, never both.
Tokenised card data
No raw card number or security code is stored or logged.
Merchant API keys and dashboard
A merchant charges with its own key and watches its own transactions.
Risk analyst dashboard
Flagged transactions for a risk analyst, beside the admin dashboard.
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