Send Your First Automated WhatsApp Message In Minutes With This API

February 17, 2025

WhatsApp automation is a game-changer for businesses, and Wassenger API makes it super easy to integrate WhatsApp messaging into your apps and services. Sign up now at Wassenger App to get started instantly! 🚀 Ready to send your first WhatsApp message via API? Let’s go! 🏁

Step 1: Get Your API Key 🔑

First things first, you need an API key from Wassenger:

  • Log in to your Wassenger account at the Wassenger App.
  • Go to the API Keys section (API Keys).
  • Copy your API key (keep it safe!).

Step 2: Install Required Tools 🛠️

You’ll need tools like curl, Postman, or your favourite programming language. Wassenger API works with any programming language, including Node.js, Python, PHP, C#, Java, and more!

Step 3: Send Your First Message! ✉️

API URL

Use the POST method with the URL:

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

Headers

Content-Type: application/json
Token: YOUR_API_KEY

Here’s a simple example using curl:

{
  "phone": "+1234567890",
  "message": "Hello from Wassenger API!"
}

Replace YOUR_API_KEY and +1234567890 with your details.

Here are more delivery possibilities!

  • Simple Text Message:
{
  "phone": "+1234567890",
  "message": "Hello world, this is a sample message"
}
  • Multiline Text Message:
{
  "phone": "+1234567890",
  "message": "Hello world, \nThis is a sample message\nCheers!"
}
  • Send Media Image:
{
  "phone": "+1234567890",
  "message": "This is a caption for an image message",
  "media": {
    "url": "https://picsum.photos/600/400",
    "expiration": "7d"
  }
}

Refer to more API Code Samples for different message types like media, templates, and scheduling.

TEST OUR LIVE API TESTER NOW!

Response 📩

You’ll get a response with the message ID and status if successful. If not, here are some common error codes:

  • 400: Bad request — Invalid data in your request.
  • 401: Unauthorized — Invalid or missing API key.
  • 403: Forbidden — You don’t have permission for this action.
  • 404: Not found — The resource doesn’t exist.
  • 409: Conflict — Message already exists.
  • 429: Too many requests — Rate limit exceeded.
  • 500: Server error — Something went wrong on Wassenger’s end.

Refer to Wassenger’s documentation for more details at Wassenger Docs.

Next Steps 🏆

👉 Ready to level up your WhatsApp automation? Visit our Wassenger Website to learn more and start your journey today!

🚀 Start exploring the Wassenger API today and automate your WhatsApp messages like a pro!

📚 Check out the full documentation here!

Ready to transform your WhatsApp communication?

Start automating your customer interactions today with Wassenger

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