overlay: 1.0.0
info:
  title: API Evangelist enhancements for Halliday API V2
  version: 1.0.0
extends: openapi/halliday-openapi-original.yml
actions:
- target: $.info
  update:
    x-apievangelist-enriched: '2026-07-19'
    x-apievangelist-artifacts:
    - authentication/halliday-authentication.yml
    - conventions/halliday-conventions.yml
    - errors/halliday-problem-types.yml
    - data-model/halliday-data-model.yml
    - asyncapi/halliday-webhooks.yml
    - agentic-access/halliday-agentic-access.yml
- target: $.info
  update:
    x-apievangelist-auth: API key (HTTP bearer, publishable pk_ keys); secret keys required for webhook management.
- target: $.info
  update:
    x-apievangelist-pagination: Cursor pagination via pagination_key request param and next_pagination_key response field.
- target: $.info
  update:
    x-apievangelist-webhooks: Signed workflow-status webhooks (WORKFLOW_COMPLETED / WORKFLOW_FAILED) with rotating HMAC signing secrets.