Use Cases
Customer Support Bots
Instantly route incoming messages to your helpdesk or chatbot. React to customer queries in milliseconds, not minutes.
Order Notifications
Trigger real-time order updates when customers reply with confirmation codes or shipping preferences.
CRM Integration
Push every WhatsApp conversation into Salesforce, HubSpot, or your custom CRM. Keep contact history synced automatically.
Analytics Pipelines
Stream message events to your data warehouse. Track delivery rates, response times, and engagement metrics in real time.
Code Examples
// Copy, paste, ship
curl -X PUT https://api.wsapi.chat/account/instances/{instanceId}/settings \
-H "x-api-key: your-api-key" \
-H "Content-Type: application/json" \
-d '{
"webhookUrl": "https://your-app.com/webhooks/whatsapp",
"eventFilters": ["message", "message_read", "user_presence"]
}'Key Features
Two Delivery Modes
HTTP webhooks (push) or SSE (persistent stream). The events overview compares them, and you can use both simultaneously
Event Filtering
Subscribe only to events you need, and cut noise and bandwidth. See how to filter events by type
Automatic Retries
Failed webhook deliveries retry with exponential backoff (up to 5 attempts)
Signature Verification
HMAC-SHA256 signatures on every webhook payload. The message event reference documents what you sign over
Low Latency
Events delivered within 100ms of WhatsApp server receipt
No Extra Cost
Webhooks and SSE included in every plan, no per-event fees
Frequently Asked Questions
Related reading
WhatsApp Webhook Setup: Real-Time Message Processing
Set up WhatsApp webhooks and SSE for real-time message processing. Covers Express and FastAPI receivers, event types, signature verification, and production best practices.
Send WhatsApp Messages with PHP and Laravel
A working WhatsApp API integration in PHP, with a Laravel service class and a webhook receiver that verifies signatures properly. No SDK required.
Connect WhatsApp to n8n: Build an Auto-Reply Workflow
Install the WSAPI community node, receive WhatsApp messages with a signed webhook, and reply automatically. A workflow you can import, with the traps that cost an afternoon.
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