API Evangelist enhancements for Kit Accounts Webhooks API

overlay: 1.0.0
info:
  title: API Evangelist enhancements for Kit Accounts Webhooks API
  version: 1.0.0
extends: openapi/convertkit-webhooks-api-openapi.yml
x-generated: '2026-08-13'
x-method: generated
x-source: apis.yml + repo artifacts (conventions/, errors/, lifecycle/, rate-limits/, authentication/, asyncapi/,
  mcp/, a2a/)
actions:
- target: $.info
  update:
    x-apievangelist-provider: convertkit
    x-apievangelist-provider-name: Kit
    x-apievangelist-api-key: webhooks
    x-apievangelist-operations: 3
    x-apievangelist-artifacts:
      conventions: conventions/convertkit-conventions.yml
      errors: errors/convertkit-problem-types.yml
      lifecycle: lifecycle/convertkit-lifecycle.yml
      rate_limits: rate-limits/convertkit-rate-limits.yml
      authentication: authentication/convertkit-authentication.yml
      scopes: scopes/convertkit-scopes.yml
      data_model: data-model/convertkit-data-model.yml
      webhooks: asyncapi/convertkit-webhooks.yml
      mcp: mcp/convertkit-mcp.yml
      agent_card: a2a/convertkit-a2a.yml
      skills: skills/_index.yml
    x-apievangelist-conventions:
      pagination: cursor (before/after/per_page; default 500, max 1000)
      idempotency: none published — no Idempotency-Key contract
      error_envelope: '{"errors":[string]} — not RFC 9457'
      rate_limit_headers: none published; 429 on exhaustion
      consistency: list/filter reads are eventually consistent (p50 ~30s, p99 5m)
      dates: ISO 8601 UTC
    x-apievangelist-note: Overlay records API Evangelist derivations only. It never mutates Kit's published spec;
      the harvested original is openapi/_original/openapi.json.
- target: $.info
  update:
    x-apievangelist-gaps:
    - No operationId on any operation in the published spec
    - No 429 or 5xx responses declared on any operation despite both being documented
    - No RFC 9457 problem+json
    - No idempotency key contract
    - No rate-limit response headers