WhatsApp API

Connect any WhatsApp number with a QR code scan. Send and receive text, images, videos and documents through a simple API. Forward incoming messages to n8n via webhook.

WEBHOOKAPI
FlowEngine

FlowEngine

WhatsApp

n8n

Everything you need

A fully hosted WhatsApp API. Send and receive messages, manage groups, and monitor everything from one dashboard.

Send Text, Images, Videos & Docs

Send any message type with a single API call. Text, photos, videos, PDFs, and voice notes are all supported.

Receive Messages via Webhook

Incoming messages are forwarded to your webhook URL in real-time. Connect directly to n8n or any automation platform.

Connect in 30 Seconds

Scan a QR code with your phone. No Business API application, no Facebook verification, no approval wait.

Group Management

List groups, send group messages, and manage membership through the API.

Live Monitoring & Stats

Track contacts, active chats, and message counts in real-time. Monitor connection status from your dashboard.

Client Portal Integration

Link WhatsApp numbers to client portals. Each client sees their own channels while you manage everything centrally.

How it works

From sign-up to your first automation in minutes.

1

Subscribe

One flat price per WhatsApp number. No hidden fees, no message limits.

2

Scan QR Code

Open WhatsApp on your phone, go to Linked Devices, and scan the QR code from your dashboard.

3

Build with n8n

Copy your API key, set your webhook URL, and connect it to your n8n workflows. Full API docs included.

Simple REST API

One API call to send a WhatsApp message

POST /message/sendText/{instanceName}
{
  "number": "1234567890",
  "text": "Hello from FlowEngine!"
}
Headers: apikey: YOUR_SESSION_KEY

sendText, sendMedia, sendLocation, sendContact, sendPoll, sendReaction, groups, and more. View full API docs

Programmatic Provisioning

Create and manage WhatsApp numbers via API. Auto-billing with your card on file.

POST /api/v1/whatsapp/sessions
{
  "display_name": "My Business",
  "billing_cycle": "monthly",
  "webhook_url": "https://n8n.example.com/webhook/abc"
}
Headers: Authorization: Bearer fe_YOUR_API_KEY
Returns: QR code, session credentials, and server URL

Also supports GET (list), GET (status), PUT (webhook), and DELETE (cancel). View provisioning docs

Built for n8n workflows

Connect to n8n and build automations in minutes. Also works with Make, Zapier, or any webhook-compatible platform.

AI Chatbots

Message comes in → n8n processes it with AI → API sends the reply. Full conversational loop, no code needed.

Order & Appointment Notifications

Send WhatsApp messages from your CRM, Shopify, or booking system. Shipping updates, appointment reminders, all automatic.

CRM Sync & Lead Capture

New WhatsApp message → create a contact in HubSpot, log the conversation in Airtable, or update a Google Sheet.

Customer Support

Route messages to the right team, auto-reply with business hours, and escalate when needed. All from n8n.

FAQ

Common questions about the WhatsApp API.

Ready to connect WhatsApp to n8n?

Set up your first number in under a minute.

Get Started