Checkout SDK

Integrate onchain payments

Integrate onchain payments into your e-commerce site with minimal code. Accept crypto payments through our Checkout SDK with support for multiple tokens & chains.

Installation

npm install torque-checkout

Basic Usage

checkout.tsx

import { TorqueCheckout } from 'torque-checkout'

const checkout = new TorqueCheckout({
  businessId: 'your-business-id',
  apiKey: process.env.TORQUE_API_KEY,
})

const session = await checkout.createSession({
  amount: 99.99,
  currency: 'USD',
  items: [
    { name: 'Pro Plan', quantity: 1, price: 99.99 }
  ],
  successUrl: 'https://yoursite.com/success',
  cancelUrl: 'https://yoursite.com/cancel',
})

window.location.href = session.url

Configuration

Accepted Tokens

ETH

config.ts

const checkout = new TorqueCheckout({
  businessId: 'your-business-id',
  apiKey: process.env.TORQUE_API_KEY,
  
  acceptedTokens: ['ETH', 'USDC', 'USDT'],
  acceptedChains: [1, 8453, 42161],
  
  theme: {
    primaryColor: '#aa5bff',
    borderRadius: 'full',
  },
  
  webhookUrl: 'https://yoursite.com/api/webhooks/torque',
})

import { NextRequest, NextResponse } from 'next/server' import { verifyWebhookSignature } from 'torque-checkout' export async function POST(req: NextRequest) { const body = await req.text() const signature = req.headers.get('x-torque-signature') const isValid = verifyWebhookSignature( body, signature, process.env.TORQUE_WEBHOOK_SECRET ) if (!isValid) { return NextResponse.json({ error: 'Invalid' }, { status: 401 }) } const event = JSON.parse(body) switch (event.type) { case 'payment.completed': await fulfillOrder(event.data.orderId) break case 'payment.failed': await notifyCustomer(event.data.customerId) break } return NextResponse.json({ received: true }) }