Integrations
What you can build
⬇Fund In — OnrampAccept fiat via virtual accounts and route deposits to crypto wallets automatically.→⬆Fund Out — OfframpReceive crypto to deposit addresses and settle fiat to customer bank accounts.→⬛QR Code PaymentsGenerate PayID and crypto QR codes to simplify mobile payment flows.→🏛Virtual AccountsIssue dedicated fiat receiving accounts per customer across 5 currencies.→
- 1Contact Coinut to receive your API key, secret, and sandbox credentials.
- 2Sign every request with HMAC-SHA256 using your key, nonce, and timestamp.
- 3Verify with GET /health, then create a customer and complete KYC via Sumsub.
- 4Provision payment rails — virtual account, crypto address, or deposit address.
- 5Go live: handle webhooks for real-time deposit, trade, and payment events.
Platform
Capabilities
🔐
HMAC-SHA256 Auth
Every request signed with key, nonce, and timestamp for replay protection.
🌍
5 Fiat Currencies
AUD, SGD, USD, EUR, GBP via PayID, SEPA, SWIFT, and ACH rails.
⛓️
ETH & Polygon
USDT and USDC on Ethereum ERC-20 and Polygon — optimise for cost or speed.
🔔
Real-time Webhooks
Event stream for every lifecycle step: KYC, deposit, trade, payout.
🤖
Autoramp Flows
One call orchestrates the full fiat→crypto or crypto→fiat route.
✅
Built-in KYC
Sumsub integration with token sharing — verify once, reuse everywhere.
🏦
Global Compliance
Licensed under MAS, FINTRAC, VQF (FINMA), and FinCEN.
🧪
Sandbox
Full-featured test environment with all endpoints and webhook simulation.
Coverage
Supported assets
Fiat currencies
| Code | Currency | Payment rails |
|---|---|---|
AUD | Australian Dollar | PayID / BSB |
SGD | Singapore Dollar | FAST / PayNow |
USD | US Dollar | SWIFT / ACH |
EUR | Euro | SEPA / IBAN |
GBP | British Pound | BACS / CHAPS |
Crypto networks
| Token | Network | Standard |
|---|---|---|
USDT | Ethereum | ERC-20 |
USDC | Ethereum | ERC-20 |
USDT | Polygon | ERC-20 |
USDC | Polygon | ERC-20 |