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Webhook Payload Format

All webhook payloads are sent as POST requests with Content-Type: application/json. Each event type has a defined payload structure.

HTTP Request​

Every webhook delivery includes:

ComponentValue
MethodPOST
Content-Typeapplication/json
X-Webhook-SignatureHMAC-SHA256 hex digest for signature verification
X-Webhook-TimestampUnix timestamp (seconds) used in signing

Event Payloads​

Each event has its own payload structure. See the individual event pages for full field details and examples:

Incoming Calls​

Outgoing Calls​

Additional Events​

Next Steps​