WhatsApp API for modern teams

Ship WhatsApp messaging in minutes

Connect your business WhatsApp, generate an API key, and start sending OTPs, notifications, and rich media — with plan-based rate limits and a developer-first REST API. Plans from ₹299.00/month.

  • 3-day free trial — no credit card
  • Your own WhatsApp number
  • REST API + webhooks
api-example.sh
curl -X POST https://whatsapp.bigpanel.cloud/api/v1/send \
  -H "X-API-Key: YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "type": "TEXT",
    "to": "9123456789",
    "message": "Hello from WhatsApp API"
  }'

# Response
{
  "success": true,
  "messageId": "wamid.xxx",
  "status": "queued"
}

99.9%

Platform uptime

Monitored 24/7

<200ms

API response

Typical send latency

5+

Message types

Text, OTP, image, file, buttons

Multi-tenant

Secure isolation

Per-tenant sessions & keys

Platform

Everything you need to scale WhatsApp messaging

A complete API platform for developers, SaaS products, and operations teams — without managing WhatsApp infrastructure yourself.

Rich messaging API

Send text, OTP templates, images with captions, files, and interactive button messages from one endpoint.

Your WhatsApp number

Messages are delivered from your connected business number — customers see your brand, not a shared sender ID.

API keys

Passwordless OTP sign-in for the dashboard. REST API uses per-tenant API keys — generate, rotate, and revoke from one place.

Fast onboarding

Scan a QR code in the desktop app, connect WhatsApp, and integrate via REST API in under 10 minutes.

Webhooks & events

Receive delivery updates and inbound messages on higher-tier plans — perfect for CRM and support workflows.

Usage & rate limits

Plan-based monthly quotas and per-second/minute/hour limits — transparent, enforced, and configurable by admins.

Getting started

Go live in three simple steps

No complex Meta Business verification flow for basic API usage — connect your number and start sending.

Step 01

Create your account

Sign up in seconds and start a 3-day free trial. Your tenant workspace is ready immediately.

Step 02

Connect WhatsApp

Download the desktop app, scan the QR code, and link your WhatsApp session securely.

Step 03

Integrate & send

Sign in with OTP, generate an API key, call POST /v1/send, and monitor delivery in message logs.

Use cases

Built for teams that message at scale

Whether you send hundreds or thousands of messages a month, pick a plan that matches your volume and integrate once.

E-commerce & D2C

Order confirmations, shipping updates, and cart recovery messages that feel personal — sent from your store WhatsApp.

Order alertsDelivery updates

Customer support

Proactive support messages, ticket updates, and follow-ups integrated with your helpdesk or CRM.

Ticket updatesCSAT surveys

SaaS & fintech

OTP verification, account alerts, and subscription notifications with plan-based rate limits you control.

OTPAccount alerts

Automation & bots

Power chatbots, internal tools, and workflow automations via a simple HTTP API your team already knows.

Zapier-style flowsInternal tools

Developer experience

A REST API your team will actually enjoy

One endpoint for all message types. Clear errors, rate-limit headers, and documentation built into the dashboard.

  • TEXT, OTP, IMAGE, FILE & BUTTON message types
  • Base64 or multipart file uploads
  • X-API-Key header auth for REST integrations
  • Message logs with delivery status
  • Admin-configurable plans & rate limits
  • PayU & Stripe billing integration

Supported payloads

POST /api/v1/send

{ "type": "OTP", "to": "...", "message": "123456" }

POST /api/v1/send

{ "type": "IMAGE", "to": "...", "media": "base64...", "message": "caption" }

429 Too Many Requests

{ "retryAfter": 12, "message": "Rate limit exceeded" }

Pricing

Plans that scale with your messaging volume

Start with a 3-day free trial. Cancel anytime.

Pricing plans are being configured. Please check back shortly.

All plans include dashboard access, REST API, and message logs. Admins can customize plans and limits anytime.

FAQ

Common questions

Everything you need to know before connecting WhatsApp to your product.

You connect your existing WhatsApp via QR code in the desktop app. For production use, we recommend a dedicated business number with WhatsApp Business installed.

Ready to connect WhatsApp to your product?

Start your 3-day free trial today. Connect your number, sign in, and send your first message in minutes.