Smarty Pay Node SDK

Simple library for creating payments on backend side

Installation

npm i smartypay-node-sdk
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Usage

Create payment

See docs

import { SmartyPayAPI } from 'smartypay-node-sdk';

async function createPayment() {
  
  // call API 
  const api = new SmartyPayAPI({
    secretKey: 'YOUR_SECRET_KEY',
    publicKey: 'YOUR_API_KEY',
  });
  
  const payment = await api.payments.createPayment({
    amount: {
      value: '1',
      currency: 'bUSDT',
    },
    expiresAt: new Date(Date.now() + 1000 * 60 * 60), // optional: after 1 hour from now
    metadata: { orderId: 'YOUR_PURCHASE_ID' } // optional: any metadata
  });
  
  // result payment id
  const paymentId = payment.id;

  // additional params:
  const params = new URLSearchParams();
  // params.set('name', 'Item Name to Buy');
  // params.set('success-url', 'https://...');
  // params.set('fail-url', 'https://...');

  // final url be like "https://checkout.smartypay.io/XXXXXXX?..."
  const urlToRedirect = 'https://checkout.smartypay.io/' + paymentId + '?' + params.toString();
}
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• amount - Amount for a payment (value and currency token). See valid tokens here: https://docs.smartypay.io/general/supported-tokens
• expiresAt - Optional: date before payment is active
• metadata - Optional: key-value for any custom metadata (usually it's your own purchase id for success webhook)

Api common config:

• secretKey - You can get it here: https://dashboard.smartypay.io/
• publicKey - You can get it here: https://dashboard.smartypay.io/

Create client's recharge address

See docs

import { SmartyPayAPI } from 'smartypay-node-sdk';

async function createRechargeAddress(customerId: string) {
  
  // call API
  const api = new SmartyPayAPI({
    secretKey: 'YOUR_SECRET_KEY',
    publicKey: 'YOUR_API_KEY',
  });
  
  const resp = await api.recharges.createRechargeAddress({
    token: 'bUSDT',
    customerId: customerId,
  });
  
  // recharge address for your customerId
  const rechargeAddress = resp.address;
}
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• token - See valid tokens here: https://docs.smartypay.io/general/supported-tokens
• customerId - Customer's id from your own system

Api common config:

• secretKey - You can get it here: https://dashboard.smartypay.io/
• publicKey - You can get it here: https://dashboard.smartypay.io/

Check webhook signature

See docs

function isValidWebhook( resp: Respone){

  // See: https://docs.smartypay.io/api/webhooks
  const body: string = resp.body;
  const signature: string = resp.heades['x-api-digest'];
  
  return SmartyPayAPI.utils.isValidSignature(body,  signature, 'YOUR_SECRET_KEY');
}
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Full API docs

Checkout our TypeDocs

Build steps

Clone repository into your dir

cd your_dir
git clone https://github.com/smarty-pay/smartypay-node-sdk
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Build

npm install
npm run build
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