How does a webhook work?
A webhook is a mechanism that sends an automatic notification to another system when an event occurs. Instead of polling, you receive a message when something happens.
Typically you configure a URL and the provider sends a JSON payload to that URL. You validate it and process it in your own workflow.
WhatsApp webhook examples
Events like delivered, read, and incoming messages can be captured via webhooks. You can create CRM tasks, route users to flows, or enrich analytics.
- Forward incoming messages to a support tool
- Record read receipts in campaign reports
- Plan retries for failed deliveries
Security: signature verification, retries, idempotency
Because your webhook endpoint is public, security matters. Use signature verification where possible, validate payloads, and protect secrets.
The same event may arrive more than once. Process webhooks idempotently so duplicates do not cause side effects.
- Verify using HMAC or a shared secret
- Handle retries with idempotency keys
- Timeout and rate-limit planning
Webhook integration with Wapiuu
Wapiuu documentation explains how to configure and test your webhook endpoint. Start with a simple test endpoint and validate event flow.
Then connect events to your CRM, analytics, or internal workflows to expand automation.
Frequently asked questions
Webhook vs polling: what is the difference?
With polling, you keep checking for updates. With webhooks, the system notifies you when the event occurs. Webhooks are usually faster and more efficient.
What if my endpoint is down?
A solid setup includes retries, but you should also handle timeouts, queues, and idempotency to avoid data loss or duplicates.
What is the minimum security setup?
Secret verification, payload validation, and idempotent processing are the essentials. In production, add logging and monitoring.