create_message_whatsapp_api.js

   const axios = require('axios');

    const data ={
        messaging_product: 'whatsapp',
        to: 'number',
        type: "template",
        template: {
            name: "hello_world",
            language: {
                code: "en_US"
            }
        }
    };

    const  headers = {
        'Content-Type': 'application/json',
        'Authorization' : 'Bearer tocken'
    };

    axios.post('https://graph.facebook.com/v13.0/{id}/messages', JSON.stringify(data), {headers})
    .then((res) => {
        console.log(`Status: ${res.status}`);
        console.log('Student Info: ', res.data);
    }).catch((err) => {
        console.error(err);
    });