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Integrate stablecoin
payments in minutes

Hosted or embedded checkout. Open Banking, SEPA, and card rails. Full webhook lifecycle. One API. Start building today.

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Quick start

Get started in
three steps

01 Install the widget 
npm install @gtsa-stablecoin/widgets
02 Initialize a payment 
import { StableMintCheckout } from '@gtsa-stablecoin/widgets';

const checkout = new StableMintCheckout({
  apiKey: 'your-api-key',
  amount: 100.00,
  currency: 'EUR',
  settlementCurrency: 'EURSM',
});
03 Listen for webhooks 
// POST /webhooks/stablemint
{
  "event": "payment.settled",
  "data": {
    "amount": 100.00,
    "settledIn": "EURSM",
    "walletId": "wal_abc123"
  }
}

Platform capabilities

Everything in one API

Payment initiation

Open Banking (PSD2), SEPA Credit Transfer, SEPA Instant, card payments. All accessible through a single endpoint.

Wallet management

Create wallets, check balances, initiate transfers. Multi-currency support with EUR, USD, EURSM, USDSM.

Customer onboarding

KYC/KYB verification flows, wallet provisioning, and identity management. All handled by Stable Mint.

Webhook events

85+ event types covering payments, blockchain operations, customer lifecycle, and partner events. HMAC-signed.

RSA authentication

Secure API access with RSA key-pair signatures. No simple API keys — enterprise-grade security from day one.

Sandbox environment

Test your integration without touching real funds. Full sandbox with simulated payments, wallets, and webhooks.

Start building today

Read the documentation or talk to our team to get API access.

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