Integration guide
Use Wazapin to send WhatsApp messages from your app, receive customer replies in real time, and manage your business number — ready in minutes.
Connect your number
Link a WhatsApp Business number before sending. See Connect your number.
Create an API key
Generate credentials in the dashboard. See API keys.
Send your first message
Follow the Quickstart to send a text message in minutes.
Receive replies
Set up webhooks to forward inbound messages and delivery events to your server.
Choose your path
Send a message
Send your first WhatsApp message from an API call.
Receive replies
Forward inbound messages and delivery updates to your app.
Build with the SDK
Use typed builders, retries, and webhook verification.
Get started
Quickstart
Send your first WhatsApp message today.
Connect your number
Link WhatsApp before you send anything.
API keys
Create keys for your integration.
WhatsApp concepts
Understand session windows and channel types.
Messages
Message types
Text, images, buttons, templates, and more.
Free-form vs templates
When to reply freely vs use approved templates.
Send text
Simple text messages and replies.
Send templates
Order updates, reminders, and notifications.
Receive customer messages
Set up webhooks
Forward replies and delivery updates to your app.
Sample payloads
See what your server receives.
Handle events
Step-by-step webhook handler example.
Build faster
Try the API
Test requests without writing code first.
TypeScript SDK
Official client with typed builders and retries.
Postman collection
Import and run requests quickly.