API Evangelist enhancements for the Spindl Ads (Embed) API

overlay: 1.0.0
x-generated: '2026-08-13'
x-method: generated
info:
  title: API Evangelist enhancements for the Spindl Ads (Embed) API
  version: 1.0.0
extends: openapi/spindl-ads-api-openapi.yml
actions:
- target: $.info
  update:
    x-apievangelist-enriched: true
    x-api-evangelist-category: onchain-advertising
    x-authentication: authentication/spindl-authentication.yml
    x-error-catalog: errors/spindl-problem-types.yml
    x-conventions: conventions/spindl-conventions.yml
    x-data-model: data-model/spindl-data-model.yml
    x-components: components/spindl-components.yml
- target: $.paths['/render/{publisher_id}'].get
  update:
    x-agent-note: >-
      Read-only. Requires publisher_id, placement_id, address, limit and
      country — limit and country are REQUIRED, which is unusual for a read.
      An empty items[] is a normal "no ad available" result, not an error.
- target: $.paths['/external/track'].post
  update:
    x-agent-note: >-
      Write with no idempotency key. impression_id is server-issued by
      fetchRecommendations; never synthesize one. Post exactly once per unit
      actually rendered on screen.
- target: $.paths['/serve'].get
  update:
    x-agent-note: >-
      Unauthenticated by design — intended as an iframe src in a browser. Do
      not attach the publisher API token to this call.
- target: $.components.schemas.Error
  update:
    x-agent-note: >-
      `code` is a gRPC status code, not an HTTP status. 16 = UNAUTHENTICATED,
      5 = NOT_FOUND. Observed live 2026-08-13.