Crypto payment gateway glossary
Crypto payment gateway terminology covers checkout, blockchain confirmation, settlement, API, and wallet concepts merchants need before accepting digital assets.
API keyA credential that lets software authenticate with a payment gateway without using a human login session.Blockchain confirmationA network validation event that makes a crypto payment harder to reverse as blocks are added.Checkout invoiceA hosted payment page that shows the customer the crypto amount, wallet address, and payment window.CoinPayments LegacyThe older CoinPayments account and integration environment that many merchants still reference during migration planning.CoinPayments v2A newer CoinPayments product environment and API surface merchants evaluate when modernizing older integrations.Crypto payment gatewaySoftware that helps merchants accept digital asset payments, monitor settlement, and reconcile orders.Hosted walletA wallet service where a provider controls parts of the custody, account access, or transaction workflow.IPNInstant Payment Notification, a server-to-server callback that reports invoice status changes to a merchant system.KYCKnow Your Customer checks used by financial services to verify identity and reduce abuse risk.Network feeA transaction cost paid to the blockchain network or validators, separate from a gateway service fee.Payment statusThe lifecycle state of a transaction, such as pending, confirming, paid, expired, or refunded.Private keyA secret cryptographic value that authorizes wallet spending and must never be shared with a gateway plugin.Refund addressThe customer wallet address a merchant may need when returning a failed or overpaid crypto transaction.SettlementThe process of converting, holding, or withdrawing accepted payments after checkout completes.WebhookAn HTTPS callback sent from a service to a merchant server when an event changes.Withdrawal policyA gateway's rules for minimum balances, supported assets, timing, and security checks before funds leave.