PayerOne help

Payments, checkout, integrations, and transactions.

Developers and integrations

Look up a checkout order with its PayerOne order ID and confirm its recorded payment state.

Developers and integrations

Choose hosted checkout, customer deposit addresses, a platform plugin, or an AI connection.

Developers and integrations

Refund an eligible gateway payment with an explicit amount and a stable idempotency key.

Developers and integrations

Create an order on your server and redirect the customer to the returned payment URL.

Developers and integrations

Download available packages from the dashboard and follow the package instructions for your platform.

Developers and integrations

Use the Merchant Token for API requests and the Private Key to verify webhook signatures.

Developers and integrations

Resolve validation and access errors without duplicating orders or refunds.

Developers and integrations

Read refund status, available amounts and provider reconciliation without creating another refund.

Developers and integrations

Review requests, signed test events, confirmation and duplicate handling in the complete payment flow.