WhatsApp Business API
за тарифами Meta

const axios = require('axios');

axios.post(
  'https://one-api.bsg.world/api/campaigns/whatsapp/send',
  {
    phones: [
      { number: '380661231231', reference_id: 'f2d37bf77f6242daa83f23b0cc84b627' },
    ],
    message: 'This is a sample message',
  },
  {
    headers: {
      Authorization: 'Bearer {your_api_key}',
      'Content-Type': 'application/json',
    },
  }
)
.then(res => console.log('Sent:', res.data))
.catch(err => console.error('Error:', err.response?.data || err.message));import requests

r = requests.post(
    'https://one-api.bsg.world/api/campaigns/whatsapp/send',
    json={
        'phones': [
            {'number': '380661231231', 'reference_id': 'f2d37bf77f6242daa83f23b0cc84b627'}
        ],
        'message': 'This is a sample message'
    },
    headers={
        'Authorization': 'Bearer {your_api_key}',
        'Content-Type': 'application/json'
    }
)

print('Sent:', r.json() if r.ok else r.text)$ch = curl_init('https://one-api.bsg.world/api/campaigns/whatsapp/send');

curl_setopt_array($ch, [
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_POSTFIELDS => json_encode([
        'phones' => [
            ['number' => '380661231231', 'reference_id' => 'f2d37bf77f6242daa83f23b0cc84b627']
        ],
        'message' => 'This is a sample message'
    ]),
    CURLOPT_HTTPHEADER => [
        'Authorization: Bearer {your_api_key}',
        'Content-Type: application/json'
    ]
]);

$res = curl_exec($ch);
echo 'Sent: ' . $res;
curl_close($ch);