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Step By Step Sending WhatsApp Text Messages Via API

February 17, 2025

Automate your WhatsApp messaging with Wassenger API! 📱 This guide walks you through sending text messages with detailed code examples in multiple languages. 🚀 Start automating now with Wassenger and transform your business communication today! 🔗

1. Get Your API Key 🔑

Log in to your Wassenger Account
Navigate to API Keys
Copy your API key.

🚀 Ready to get started? Sign up now for your Wassenger API key and begin your journey to seamless WhatsApp automation!

2. Install Necessary Tools 🛠️

Choose your favourite tool:

Node.js: Install Axios using npm install axios.
Python: Install Requests with pip install requests.
PHP: Use built-in cURL.

3. Craft Your API Request

API URL:

https://api.wassenger.com/v1/messages

Headers:

{
"Content-Type": "application/json", 
"Token": "YOUR_API_KEY"
}

4. Code Examples 💻

Node.js (Axios)

const axios = require('axios');
axios
  .post(
    'https://api.wassenger.com/v1/messages',
    {
      phone: '+1234567890',
      message: 'Hello from Node.js!'
    },
    {
      headers: { Token: 'YOUR_API_KEY' }
    }
  )
  .then(response => console.log(response.data))
  .catch(error => console.error(error));

Python (Requests)

import requests
url = 'https://api.wassenger.com/v1/messages'
headers = {'Token': 'YOUR_API_KEY', 'Content-Type': 'application/json'}
data = {"phone": "+1234567890", "message": "Hello from Python!"}
response = requests.post(url, json=data, headers=headers)
print(response.json())

PHP (cURL)

$ch = curl_init('https://api.wassenger.com/v1/messages');
curl_setopt($ch, CURLOPT_HTTPHEADER, ['Token: YOUR_API_KEY', 'Content-Type: application/json']);
curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode(['phone' => '+1234567890', 'message' => 'Hello from PHP!']));
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$response = curl_exec($ch);
if($response === false) { echo 'Error: '.curl_error($ch); }
else { echo $response; }
curl_close($ch);

5. Check the Response ✅

A successful response returns a JSON object with message details like the message ID, status, and timestamps. Always handle errors gracefully when debugging API issues.

6. Need More? 🚀

Add emojis, media, and templates.
Schedule messages and use webhooks.
Explore our full API documentation.

🔗 Start automating now! 🚀 Sign up for Wassenger today at Wassenger Register and supercharge your WhatsApp messaging with easy automation, detailed API documentation, and 24/7 support. Don’t miss out on scaling your business with seamless WhatsApp integration — Get Started Here! 🚀

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