Platform Fully Operational · v2.0

WhatsApp API
Built for Scale

Multi-session management, bulk campaigns, AI chatbots, and real-time webhooks — all in one powerful platform for your business.

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Multi-Session Support Real-Time Webhooks AI Chatbot Builder Bulk Campaigns SSL Secured bKash Payment Gateway REST API Access Live Analytics
Why WaFastApi

Everything you need to scale messaging

Built for developers and businesses who need reliable, high-throughput WhatsApp infrastructure.

Multi-Session Management

Run multiple WhatsApp numbers simultaneously under one account. Manage, connect, and monitor all sessions from a single dashboard.

Real-Time Webhooks

Instant delivery notifications, read receipts, and incoming message callbacks sent straight to your endpoint in milliseconds.

AI Chatbot Builder

Build powerful auto-reply rule engines with keyword matching, and integrate OpenAI GPT for intelligent conversational responses.

Bulk Campaign Sender

Upload CSV contact lists and send personalized messages, images, and documents at scale. Track delivery and status in real-time.

bKash Payment Gateway

Integrated automated bKash payment gateway. Recharge wallet and purchase subscriptions with instant balance credit.

Analytics Dashboard

Full visibility into messages sent, received, session uptime, API usage, and campaign performance — all in one place.

Simple REST API

Integrate in minutes

One API endpoint to send messages, media, documents, and more. Generate your API key from the dashboard and start in minutes.

View Full API Docs
send-message.js
const response = await fetch(
  "https://wafastapi.com/api/session/
{sessionId}/send-message"
, { method: "POST", headers: { "Content-Type": "application/json", "x-api-key": "YOUR_API_KEY" }, body: JSON.stringify({ "number": "8801XXXXXXXXX", "message": "Hello from WaFastApi! 🚀" }) } ); // ✅ Response { "success": true, "messageId": "3EB0..." }
Pricing Plans

Simple, transparent pricing

Pick the plan that fits your business. Upgrade or downgrade anytime.

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Join hundreds of businesses already using WaFastApi to power their WhatsApp communications.