Loop Webhooks

generated: '2026-07-20'
method: searched
source: https://docs.loop.com/developers/webhooks and https://docs.loop.com/developers/webhook-event-types
spec_type: Webhooks
description: >-
  Loop delivers events via webhooks managed by Svix. Loop does not publish a
  machine-readable AsyncAPI document; this captures the webhook surface. The full
  event-type catalog is enumerated at the docs URL below (client-rendered and not
  reproduced verbatim here — only the documented example event is listed).
provider: Svix
transport: HTTPS POST to a subscriber-configured endpoint
docs: https://docs.loop.com/developers/webhook-event-types
delivery:
  ack: consumer must respond 2xx within 15 seconds
  guarantee: at-least-once (deduplicate on eventId)
  retries: exponential backoff spanning ~10+ hours
  auto_disable: endpoint disabled after 5 days of continuous failures
  replay: manual replay/recovery supported via Svix
signing:
  scheme: Svix signature verification
  headers:
    - svix-id
    - svix-timestamp
    - svix-signature
  signed_content: raw string body of the message payload
payload_envelope:
  - {field: eventId, description: Stable identifier for the event; used for deduplication across resends.}
  - {field: generatedAtTimestamp, description: When the event occurred.}
  - {field: eventCreatedAt, description: Timestamp for ordering event consumption.}
events:
  - {type: test-event.created, description: Example/test event documented in the webhooks guide.}