WhatsApp Business API · Multi-tenant SaaS

Send WhatsApp messages at scale with a developer-first API

Connect numbers, generate API keys, and integrate WhatsApp into your CRM, ERP, or custom apps—without building infrastructure from scratch.

  • REST API with Bearer keys
  • Meta Cloud API & Baileys drivers
  • Webhooks, campaigns & inbox
POST /api/v1/send-text
{
  "instance_id": "550e8400-e29b-41d4-a716",
  "number": "8801234567890",
  "message": "Hello from Eduzentra WhatsApp API!"
}

→ 202 { "success": true, "status": "queued" }
99.9%Uptime target
<200msAPI response
24/7Message queue
Built for
SaaS platforms E-commerce Support teams Marketing automation Agencies

Features

Everything you need to run WhatsApp at scale

From connecting your first number to sending millions of messages—one platform, full control.

REST Messaging API

Send text, media, buttons, lists, and location via simple HTTP endpoints.

Multi-instance

Connect multiple WhatsApp numbers per workspace with Meta or Baileys drivers.

API keys

Issue scoped Bearer tokens for your apps with usage tracking built in.

Webhooks

Receive delivery updates, inbound messages, and instance events in real time.

Campaigns

Broadcast to contact groups with queue-backed delivery and logs.

Team inbox

Manage conversations, contacts, and message history in one dashboard.

How it works

Go live in three steps

1

Create workspace

Register your company and pick a plan that fits your message volume.

2

Connect WhatsApp

Link a number via Meta Cloud API or scan QR with our Baileys gateway.

3

Call the API

Generate an API key and start sending messages from any language or framework.

Pricing

One simple annual plan

Everything you need to run WhatsApp messaging — one yearly package, no tiers.

Developers

Integrate in minutes, not months

Use standard HTTP with JSON bodies. Authenticate with a Bearer API key. We handle queuing, retries, and gateway routing.

  • POST /api/v1/send-text
  • POST /api/v1/send-image
  • POST /api/v1/send-document
  • POST /api/v1/send-buttons
Create free account
curl -X POST "https://eduzentra-whatsapp.eduzentra.com/api/v1/send-text" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "instance_id": "YOUR_INSTANCE_ID",
    "number": "8801234567890",
    "message": "Order #1234 confirmed!"
  }'

Ready to power WhatsApp for your product?

Join teams using our platform to automate notifications, support, and marketing on WhatsApp.