generated: '2026-07-19'
method: searched
source: openapi/element5-openapi-original.json
spec_type: Webhooks
transport: http-callback
description: >-
  Element5 posts task lifecycle events to a Webhook URL configured during onboarding. Each event is a
  JSON body carrying eventName, eventId (uuid), createdAt, and an eventPayload describing the task.
delivery:
  method: POST
  target: client-configured webhook URL (set at onboarding)
  content_type: application/json
envelope:
  fields:
  - eventName
  - eventId
  - createdAt
  - eventPayload
events:
- name: task#queued
  description: A submitted task has been accepted and queued for processing.
- name: task#started
  description: Processing of the task has begun.
- name: task#restarted
  description: Processing of the task has been restarted.
- name: task#progressed
  description: The task has advanced to a new progress checkpoint.
- name: task#succeeded
  description: The task completed successfully; results are available via the status endpoint.
- name: task#failed
  description: The task failed; a failure reason is provided.
source_operation: openapi/element5-openapi-original.json#E5TaskEvent