Free 7-day trial · 100 messages · No credit card

WhatsApp API
for Developers
First message in 10 minutes

Connect any WhatsApp number. Send messages, run bulk campaigns, and build chatbot replies via a clean REST API. No Meta Business account. No approval process. Just an API key and a POST request.

No Meta Business account
No approval process
Works with any regular number
Works with:Node.jsPythonPHPLaravelcURLREST API
Developer-First

Integrate in under 10 minutes

Standard HTTP. Bearer token auth. JSON in, JSON out. Works with every language and framework you already use.

One request to send

POST to /api/v1/messages with your key. That's the entire integration.

wsa_ prefixed API keys

Generate in the dashboard. Rotate instantly, any time.

Bulk in a single call

POST up to 500 recipients to /api/v1/messages/bulk and get a per-recipient result.

POST/api/v1/messages
const res = await fetch("https://wasaas.org/api/v1/messages", {
  method: "POST",
  headers: {
    "Authorization": "Bearer wsa_your_api_key",
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    session_id: "my-session-1",
    to: "966501234567",
    message: "Hello from Wasaas! 👋",
  }),
});

const data = await res.json();
console.log(data);
// { success: true, to: "966501234567", status: "sent" }
Quick Setup

Up and running in 10 minutes

No approval process. No Business account. No SDK required.

1
👤

Create account

Sign up with Google or GitHub — 30 seconds. 7-day trial starts immediately.

2
📱

Connect WhatsApp

Scan a QR code in the dashboard. Your number is live in about 3 minutes.

3
🔑

Get API key

Dashboard → API Keys → Generate. Copy the wsa_ key into your .env file.

4
🚀

Send first message

POST /api/v1/messages with your key and session ID. Done.

Messaging

Everything the API can do

Text, images and documents out of the box — plus bulk sending and number checks.

💬

Text Messages

Send plain text, emoji, and formatted messages to any WhatsApp number.

🖼️

Images

Share images via URL or direct file upload with optional captions.

📄

Documents

Send PDF, Word, Excel, and other document types with captions.

📢

Bulk Sending

One call to many recipients via /v1/messages/bulk, with per-contact success and failure results.

Number Check

Verify a phone number is registered on WhatsApp before you send to it.

🧾

Message Logs

Every send is recorded with recipient, type, status, error and timestamp.

🤖

Chatbot Flows

Define keyword triggers and multi-step auto-reply flows. All conversations saved.

Everything You Need

A Complete WhatsApp Platform

From a single message to campaigns at scale — every WhatsApp tool in one place.

📱

WhatsApp Sessions

Connect any WhatsApp number by scanning a QR code. Manage multiple sessions from one dashboard.

👥

Contacts & Groups

Import contacts via CSV, add tags, and create groups to target in campaigns.

📝

Message Templates

Build reusable templates with {{name}} & {{phone}} variables and a live WhatsApp preview.

📣

Bulk Campaigns

Send to thousands with randomised delays to reduce the risk of bans. Track success/failure per contact in real time.

🤖

Chatbot Flows

Keyword-triggered auto-replies with full conversation history per contact.

🧠

Wasa AI Assistant

An AI assistant built into your dashboard to guide you through every platform feature.

🔑

API Keys

Create API keys to connect your apps. Send messages programmatically from any language or framework.

🔔

Bulk Sending

Send to up to 500 recipients in one call with randomised delays and a per-recipient result.

📊

Logs & Analytics

Browse every message sent and received with status, timestamp, and detailed campaign analytics.

Use Cases

What developers build with it

From solo devs to agencies — what's shipping on Wasaas.

📦

Order Notifications

Trigger WhatsApp messages from Shopify, WooCommerce, or any app event — confirmed, shipped, delivered.

🔑

OTP & 2FA

Replace SMS OTPs with WhatsApp. Higher open rates. Same integration effort.

🤖

Support Chatbots

Build keyword-triggered reply flows. Customer sends 'STATUS' — your chatbot responds automatically.

🔔

System Alerts

Route server alerts, deploy notifications, and cron failures to WhatsApp instead of email.

📋

Form Confirmations

Instantly confirm form submissions via WhatsApp — leads, bookings, signups.

🛍

CRM & No-Code

Call the REST API from Make, n8n, or Zapier. WhatsApp automation without custom code.

0

Meta approvals needed

5

Languages with examples

500

Recipients per bulk call

7 days

Free trial

Platform Features

Everything included in every plan

Multi-Session Management

Connect multiple WhatsApp numbers. Each runs in an isolated browser session.

REST API + API Keys

Simple key-based auth. Generate, rotate, and revoke keys from the dashboard.

Bulk Sending

One call to up to 500 recipients, paced with randomised delays.

Message Logs

Full delivery history with status tracking across all sessions.

Quota Management

Clear usage gauges. Upgrade instantly when you need more.

Google & GitHub OAuth

Sign in with your existing Google or GitHub account.

Chatbot Flow Builder

Build keyword-triggered auto-reply flows — no code needed. Save every conversation.

Pricing

Simple, transparent pricing

Start free. Upgrade as you grow. No hidden fees.

Starter

from$29/mo

Business

from$79/mo

Enterprise

from$149/mo

All plans start with a 7-day free trial. No credit card required.

Secure payments via

PayPal
FAQ

Frequently asked questions

Everything you need to know about Wasaas.

Start sending in 10 minutes

Sign up, connect a WhatsApp number, and make your first API call. No Meta approval, no credit card, no lock-in.