// URL for request POST /message
const token = '83763g87x';
const instanceId = '777';
const url = `https://api.chat-api.com/instance${instanceId}/sendTemplate?token=${token}`;
let data = {
    phone: '79995253422', // Receivers phone
    template: "template_name",
    namespace : "namespace_of_template",
    language: {
        code: "en",
        policy: "deterministic"}
};
// Send a request
$.ajax(url, {
    data : JSON.stringify(data),
    contentType : 'application/json',
    type : 'POST'
});