v2.1 Unified API
Crypto Payments API
for Developers
Connect to SWIFT, SEPA, and major blockchains through a single integration. Manage treasury, payments, and custody programmatically.
POST /v1/settlements
curl https://api.baynpay.com/v1/settlementscurl -X POST https://api.baynpay.com/v1/settlements \
-H "Authorization: Bearer sk_live_..." \
-d '{
"source_currency": "USD",
"target_currency": "USDC",
"amount": 50000,
"rail": "WIRE_TO_ERC20"
}'
Multi-Rail Routing
Automatically route funds across SWIFT, SEPA, ACH, and Blockchain networks based on cost and speed.
Sandbox Environment
Test your integration with unlimited testnet funds and mock banking rails. Mirror production behavior exactly.
Webhooks & Events
Listen to real-time events for deposits, settlements, and compliance checks with verified signatures.
Developer Resources
View full API referenceQuickstart Guide
Process your first fiat-to-crypto settlement.
API Reference
Detailed endpoints, parameters, and response types.
Webhooks
Real-time notifications for transaction states.
Compliance API
Programmatic KYC/KYB and AML screening.
Treasury Management
Managing multi-currency balances and liquidity.
Postman Collection
Import our collection to test endpoints instantly.