PayCoinPro REST API Reference

Integrate PayCoinPro to accept cryptocurrency payments from your own application. The V2 API creates invoices with a unique deposit address per payment, tracks confirmations on EVM-compatible networks, Bitcoin, and TRON, credits merchant balances through an immutable double-entry ledger, and notifies your backend with HMAC-SHA256 signed webhooks.

Every request is authenticated with a merchant API key, mutations are idempotent so a retried call never creates a second invoice or withdrawal, and amounts are always base unit strings rather than floating point numbers. Start in sandbox, then switch the key to go live. See the documentation index for integration guides and the WooCommerce plugin.

Endpoints

Other

GET /api/v2/assets — List V2-supported assets and network capabilities
GET /api/v2/balances — Read exact available and reserved ledger balances
GET /api/v2/ledger/transactions — List immutable ledger transactions affecting the merchant
GET /api/v2/invoices — List merchant dashboard invoices
POST /api/v2/invoices — Create an invoice
GET /api/v2/invoices/{id} — Fetch an invoice
POST /api/v2/invoices/{id}/select-payment-method — Select asset + network and finalize the invoice
POST /api/v2/invoices/{id}/cancel — Cancel an invoice
GET /api/v2/invoices/{id}/payments — List an invoice's payments
GET /api/v2/invoices/{id}/events — Read durable invoice events from a reconnect cursor
GET /api/v2/invoices/{id}/events/stream — Stream durable invoice projections with SSE
GET /api/v2/payouts — List payouts
POST /api/v2/payouts — Create a payout
GET /api/v2/payouts/{id} — Fetch a payout
POST /api/v2/payouts/{id}/decision — Approve or reject a payout
POST /api/v2/payouts/{id}/cancel — Cancel a payout before signing
GET /api/v2/public/checkouts/{publicId} — Fetch a capability-bound hosted checkout
GET /api/v2/public/checkouts/{publicId}/status — Poll the customer-safe checkout status
POST /api/v2/public/checkouts/{publicId}/select-payment-method — Select an allowed payment method using the checkout capability
GET /api/v2/webhook-endpoints — List webhook endpoints
POST /api/v2/webhook-endpoints — Create a webhook endpoint
PATCH /api/v2/webhook-endpoints/{id} — Update or disable a webhook endpoint
POST /api/v2/webhook-endpoints/{id}/rotate-secret — Rotate a webhook signing secret
POST /api/v2/webhook-events/{id}/redeliver — Queue redelivery of a terminal webhook event