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Webhooks deliver real-time notifications when emails are delivered, opened, clicked, bounced, or marked as spam. The lettr.webhooks() service manages your endpoints. For the event payload format and signature verification, see Webhooks.

List Webhooks

API Reference

GET /webhooks

Create a Webhook

Use eventsMode("all") to receive every event type, or eventsMode("selected") with an explicit events list. authType is "none", "basic", or "oauth2".

API Reference

POST /webhooks

Get a Webhook

API Reference

GET /webhooks/

Update a Webhook

API Reference

PATCH /webhooks/

Delete a Webhook

API Reference

DELETE /webhooks/

What’s Next

Webhook Events

Event types and payload format

Webhook Authorization

Verify webhook authenticity