npm install axios crypto

const axios = require('axios');
const crypto = require('crypto');

class UnicyFalconApiClient {
  constructor(apiKey, hmacSecret, baseUrl, timeout = 30000) {
    this.apiKey = apiKey;
    this.hmacSecret = hmacSecret;
    this.baseUrl = baseUrl.replace(/\/$/, '');
    this.timeout = timeout;
  }

  sign(method, uri, body, timestamp) {
    const payload = `${method.toUpperCase()}|${uri}|${body}|${timestamp}`;
    return crypto.createHmac('sha256', this.hmacSecret).update(payload).digest('base64');
  }

  async request(method, endpoint, data = null, params = null) {
    const url = `${this.baseUrl}/${endpoint.replace(/^\//, '')}`;
    const timestamp = Math.floor(Date.now() / 1000);
    const body = data ? JSON.stringify(data) : '';

    const basePath = new URL(this.baseUrl).pathname || '';
    const uri = `${basePath}/${endpoint.replace(/^\//, '')}`;

    const signature = this.sign(method, uri, body, timestamp);

    const headers = {
      'Content-Type': 'application/json',
      'Accept': 'application/json',
      'X-API-Key': this.apiKey,
      'X-Timestamp': timestamp.toString(),
      'X-Signature': signature
    };

    const response = await axios({
      method: method.toUpperCase(),
      url,
      headers,
      data: data || undefined,
      params: params || undefined,
      timeout: this.timeout
    });

    return response.data;
  }

  get(endpoint, params = null) { return this.request('GET', endpoint, null, params); }
  post(endpoint, data) { return this.request('POST', endpoint, data); }
  put(endpoint, data) { return this.request('PUT', endpoint, data); }
  delete(endpoint) { return this.request('DELETE', endpoint); }
}

const client = new UnicyFalconApiClient(
  'ak_your_api_key_here',
  'your_hmac_secret_here',
  'https://your-subdomain.unicyfalcon.com/api/v1'
);

(async () => {
  const customers = await client.get('/customers');

  const order = await client.post('/orders', {
    customer_id: 'uuid',
    order_number: 'ORD-2026-001',
    order_items: [
      { product_id: 'uuid', quantity: 2, unit_price: 99.99 }
    ],
    status: 'pending',
    pickup_address_id: 'uuid',
    dropoff_address_id: 'uuid'
  });
})();