API Evangelist Overlay — Mailmodo Campaigns Templates API

overlay: 1.0.0
info:
  title: API Evangelist Overlay — Mailmodo Campaigns Templates API
  version: 1.0.0
  x-generated: '2026-08-13'
  x-method: generated
  x-source: openapi/mailmodo-templates-api-openapi.yml (provider-published spec harvested from developers.mailmodo.com)
  x-description: Captures API Evangelist enhancements on top of the provider-published Mailmodo spec. Applies cleanly
    to the file named in extends; never mutates it.
extends: https://raw.githubusercontent.com/api-evangelist/mailmodo/refs/heads/main/openapi/mailmodo-templates-api-openapi.yml
actions:
- target: $.info
  description: Record API Evangelist provenance and the auth/idempotency facts the source spec omits.
  update:
    x-apis-io:
      provider: mailmodo
      profile: https://apis.io/provider/mailmodo/
      harvested: '2026-08-13'
      harvest_source: Stoplight project prj:73897 behind developers.mailmodo.com (public table-of-contents + node
        export_url)
      auth:
        type: apiKey
        in: header
        name: mmApiKey
        obtain: https://manage.mailmodo.com/app/settings/apikey
      idempotency: false
      pagination: false
      rfc9457: false
      error_envelope: '{"success": boolean, "message": string}'
      warning: 'Some validation failures return HTTP 200 with "success": false. Branch on the body, not the status.'
      rate_limits: Per-second ceilings are set by plan tier (5 / 10 / 50 req/s) and published only on https://www.mailmodo.com/pricing/.
        No rate-limit response headers are documented.
      sandbox: A Stoplight Prism mock exists per service; see sandbox/mailmodo-sandbox.yml. There is no test mode
        on the live API — every successful send delivers real email.
- target: $.info
  description: Point at the artifacts derived from this spec.
  update:
    x-artifacts:
      errors: errors/mailmodo-problem-types.yml
      conventions: conventions/mailmodo-conventions.yml
      authentication: authentication/mailmodo-authentication.yml
      lifecycle: lifecycle/mailmodo-lifecycle.yml
      data_model: data-model/mailmodo-data-model.yml
      rate_limits: rate-limits/mailmodo-rate-limits.yml
      mcp: mcp/mailmodo-mcp.yml
      tool_crosswalk: mcp/mailmodo-tool-crosswalk.yml
      skills: skills/_index.yml
- target: $.paths['/api/v1/getAllTemplates'].get
  description: Annotate listTemplates with runtime semantics not present in the published spec.
  update:
    x-idempotent: false
    x-undeclared-responses:
    - '401'
    - '403'
    - '429'
    - '500'
    x-agent-note: No published contract for auth failure, rate-limit exhaustion or server error on this operation.