Lettr facade.
For the event payload format and signature verification, see Webhooks.
List Webhooks
API Reference
GET /webhooks
Create a Webhook
Use
WebhookEventsMode::All to receive every event type (no events array needed), or WebhookEventsMode::Selected with an explicit events array. For authenticated endpoints, set authType to WebhookAuthType::Basic or WebhookAuthType::OAuth2 and supply the matching credentials (authUsername/authPassword or the oauth* fields).API Reference
POST /webhooks
Get Webhook Details
API Reference
GET /webhooks/
Update a Webhook
All fields are optional — only the ones you set are sent: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