About Coinut Partner Ramp
Coinut Partner Ramp is the crypto-fiat infrastructure layer built by Coinut, a regulated digital asset trading and payments platform founded in 2013. We operate across Singapore, Switzerland, Canada, and USA, providing compliant payment rails to businesses worldwide. Coinut Partner Ramp lets you offer cryptocurrency services to your customers without building complex blockchain infrastructure or navigating regulatory requirements yourself.Integration Modes
| Mode | Best For | How It Works |
|---|---|---|
| Autoramp | Individual customers, consumer apps | Automated KYC, step-by-step flow, customer manages their own verification |
| Omnibus | Enterprise, platforms, marketplaces | Direct API calls, bulk operations, you manage customer aggregation |
Architecture
Your application sends signed HTTPS requests to the Coinut Partner Ramp API. We handle the complexity of banking integrations, blockchain transactions, compliance checks, and liquidity management. You receive webhook notifications for every state change.Licensing & Compliance
| Jurisdiction | License / Registration | Authority |
|---|---|---|
| Singapore | Major Payment Institution (IPA) | MAS |
| Canada | MSB | FINTRAC |
| Switzerland | VQF Member | FINMA |
| USA | MSB | FinCEN |
Key Features
- HMAC-SHA256 Authentication — Every request cryptographically signed
- Real-time Webhooks — Instant notifications for deposits, withdrawals, and state changes
- Sandbox Environment — Test end-to-end flows without real money
- Multi-currency Support — Current public examples focus on AUD, EUR, GBP, USD, and USDT. Confirm any additional corridors directly against your enabled partner setup before launch.
- Global Compliance — Licensed and registered across the jurisdictions listed below, with automated KYC/AML controls
Who This Is For
- Developers integrating crypto-fiat rails into applications
- Product Managers evaluating ramp providers
- QA Engineers building test suites for payment flows
- Business Teams exploring partnership opportunities
- Technical Partners building on Coinut Partner Ramp infrastructure
- Web3 Developers needing fiat Onramp and Offramp capabilities for dApps
Onramp
Accept fiat into customer virtual accounts and route funds into crypto settlement flows.
Offramp
Receive customer crypto and settle fiat to approved bank accounts.
Autoramp
Automate the full entry-to-exit route with linked VA, crypto address, bank account, deposit, and trade records.
Virtual Accounts
Issue customer-level AUD, EUR, and GBP receiving accounts with PayID and whitelist support where available.
Core flow
Create the customer
Create a customer with
POST /customer/create. The response includes a Coinut customer ID and, when applicable, a Sumsub KYC link.Complete KYC
Wait for approval through the Sumsub flow or your shared due diligence process. Use
GET /customer/detail or the CUSTOMER_APPROVED webhook to confirm status.Provision rails
Create virtual accounts, bank accounts, crypto addresses, or deposit addresses depending on the product flow.
Create the ramp flow
Use Autoramp endpoints for managed onramp/offramp orchestration, or call Omnibus APIs directly for partner-controlled flows.
Environments
| Environment | Base URL | Purpose |
|---|---|---|
| Sandbox | https://ramp-sandbox.hexarails.ai | Integration testing without live funds |
| Production | https://ramp.hexarails.ai | Live partner ramp transactions |
Start here
Quickstart
Make your first signed request and create a test customer.
Authentication
Implement HMAC-SHA256 signing correctly.
API Reference
Explore every endpoint from the OpenAPI contract.