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The official Node.js SDK for FYATU API v3, built with TypeScript for full type safety.

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Installation

npm install @fyatu/sdk
# or
yarn add @fyatu/sdk
# or
pnpm add @fyatu/sdk

​
Quick Start

import { Fyatu } from '@fyatu/sdk';

const fyatu = new Fyatu({
  appId: 'your_app_id',
  secretKey: 'your_secret_key',
});

// Create a collection
const collection = await fyatu.collections.create({
  amount: 10.00,
  currency: 'USD',
  reference: 'order_123',
  description: 'Payment for Order #123',
  customer: {
    email: '[email protected]',
    name: 'John Doe',
  },
  redirectUrl: 'https://yoursite.com/payment/success',
  webhookUrl: 'https://yoursite.com/webhooks/fyatu',
});

console.log(collection.checkoutUrl);

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Features

  • Full TypeScript Support - Complete type definitions for all endpoints
  • Automatic Token Management - Handles JWT refresh automatically
  • Promise-based API - Works with async/await
  • Automatic Retries - Configurable retry logic with exponential backoff
  • Webhook Verification - Built-in helpers for validating webhook signatures

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Configuration Options

const fyatu = new Fyatu({
  appId: 'your_app_id',
  secretKey: 'your_secret_key',

  // Optional configuration
  baseUrl: 'https://api.fyatu.com/api/v3', // Custom API endpoint
  timeout: 30000, // Request timeout in ms
  retries: 3, // Number of retry attempts
});

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Available Modules

ModuleDescription
fyatu.collectionsAccept payments via checkout
fyatu.refundsManage refunds
fyatu.payoutsSend money to recipients
fyatu.cardholdersManage cardholders
fyatu.cardsIssue and manage virtual cards
fyatu.esimPurchase and manage eSIMs
fyatu.accountAccess account information

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Error Handling

import { Fyatu, FyatuError, ValidationError } from '@fyatu/sdk';

try {
  const payout = await fyatu.payouts.create({
    amount: 100,
    currency: 'USD',
    recipientId: 'invalid_id',
  });
} catch (error) {
  if (error instanceof ValidationError) {
    console.error('Validation failed:', error.details);
  } else if (error instanceof FyatuError) {
    console.error('API error:', error.code, error.message);
  }
}

​
Webhook Verification

import { verifyWebhookSignature } from '@fyatu/sdk';

// Express.js example
app.post('/webhooks/fyatu', (req, res) => {
  const signature = req.headers['x-fyatu-signature'];
  const isValid = verifyWebhookSignature(
    req.body,
    signature,
    'your_webhook_secret'
  );

  if (!isValid) {
    return res.status(401).send('Invalid signature');
  }

  // Process webhook event
  const event = req.body;
  console.log('Received event:', event.type);

  res.status(200).send('OK');
});

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Resources