Automate & Scale Your WhatsApp Infrastructure

curl -X POST https://wasetu.hostgeeks.in/api/v1/messages/send \
  -H "Authorization: Bearer wa_live_your_api_token" \
  -H "Content-Type: application/json" \
  -d '{
    "instance_key": "inst_7fa289e",
    "phone": "919876543210",
    "message": "Hello from WaSetu! Your appointment is confirmed."
  }'

import requests

url = "https://wasetu.hostgeeks.in/api/v1/messages/send"
headers = {
    "Authorization": "Bearer wa_live_your_api_token",
    "Content-Type": "application/json"
}
payload = {
    "instance_key": "inst_7fa289e",
    "phone": "919876543210",
    "message": "Hello from WaSetu! Your appointment is confirmed."
}

response = requests.post(url, json=payload, headers=headers)
print(response.json())

const response = await fetch("https://wasetu.hostgeeks.in/api/v1/messages/send", {
  method: "POST",
  headers: {
    "Authorization": "Bearer wa_live_your_api_token",
    "Content-Type": "application/json"
  },
  body: JSON.stringify({
    instance_key: "inst_7fa289e",
    phone: "919876543210",
    message: "Hello from WaSetu! Your appointment is confirmed."
  })
});

const data = await response.json();
console.log(data);

<?php
$curl = curl_init();
curl_setopt_array($curl, [
    CURLOPT_URL => "https://wasetu.hostgeeks.in/api/v1/messages/send",
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_CUSTOMREQUEST => 'POST',
    CURLOPT_POSTFIELDS => json_encode([
        'instance_key' => 'inst_7fa289e',
        'phone' => '919876543210',
        'message' => 'Hello from WaSetu! Your appointment is confirmed.'
    ]),
    CURLOPT_HTTPHEADER => [
        'Authorization: Bearer wa_live_your_api_token',
        'Content-Type: application/json'
    ],
]);
$response = curl_exec($curl);
curl_close($curl);
echo $response;

package main

import (
    "bytes"
    "encoding/json"
    "fmt"
    "net/http"
)

func main() {
    url := "https://wasetu.hostgeeks.in/api/v1/messages/send"
    payload, _ := json.Marshal(map[string]string{
        "instance_key": "inst_7fa289e",
        "phone":        "919876543210",
        "message":      "Hello from WaSetu! Your appointment is confirmed.",
    })

    req, _ := http.NewRequest("POST", url, bytes.NewBuffer(payload))
    req.Header.Set("Authorization", "Bearer wa_live_your_api_token")
    req.Header.Set("Content-Type", "application/json")

    client := &http.Client{}
    resp, err := client.Do(req)
    if err != nil {
        panic(err)
    }
    defer resp.Body.Close()
    fmt.Println("Status:", resp.Status)
}

import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;

public class WhatsAppSender {
    public static void main(String[] args) throws Exception {
        String json = """
            {
                "instance_key": "inst_7fa289e",
                "phone": "919876543210",
                "message": "Hello from WaSetu! Your appointment is confirmed."
            }
            """;

        HttpClient client = HttpClient.newHttpClient();
        HttpRequest request = HttpRequest.newBuilder()
            .uri(URI.create("https://wasetu.hostgeeks.in/api/v1/messages/send"))
            .header("Authorization", "Bearer wa_live_your_api_token")
            .header("Content-Type", "application/json")
            .POST(HttpRequest.BodyPublishers.ofString(json))
            .build();

        HttpResponse<String> response = client.send(request, HttpResponse.BodyHandlers.ofString());
        System.out.println(response.body());
    }
}

require 'net/http'
require 'uri'
require 'json'

uri = URI.parse("https://wasetu.hostgeeks.in/api/v1/messages/send")
request = Net::HTTP::Post.new(uri)
request["Authorization"] = "Bearer wa_live_your_api_token"
request["Content-Type"] = "application/json"
request.body = JSON.dump({
  "instance_key" => "inst_7fa289e",
  "phone" => "919876543210",
  "message" => "Hello from WaSetu! Your appointment is confirmed."
})

response = Net::HTTP.start(uri.hostname, uri.port, use_ssl: uri.scheme == 'https') do |http|
  http.request(request)
end

puts response.body