overlay: 1.0.0
info:
  title: API Evangelist overlay for Ad Seller System API
  version: 1.0.0
  x-generated: '2026-09-17'
  x-method: generated
  x-source: Generated from the artifacts in this repository; never mutates the original contract
extends: openapi/iab-tech-lab-seller-agent-openapi.json
actions:
- target: $.info
  update:
    x-api-evangelist:
      profile: https://apis.io/providers/iab-tech-lab/
      provider: IAB Tech Lab
      harvested: '2026-09-17'
      source: verbatim copy in openapi/_original/
    contact:
      name: IAB Tech Lab
      url: https://iabtechlab.com/
      email: techlab@iabtechlab.com
- target: $.info
  update:
    x-conventions: conventions/iab-tech-lab-conventions.yml
    x-errors: errors/iab-tech-lab-problem-types.yml
    x-lifecycle: lifecycle/iab-tech-lab-lifecycle.yml
- target: $.info
  update:
    x-hosting: Self-hosted reference implementation; no servers[] because IAB Tech Lab hosts no instance
- target: $.paths['/api/v1/deals'].post
  update:
    x-idempotency:
      mechanism: required idempotency_key body field
      coverage: partial
    x-reversibility: POST /api/v1/deals/{deal_id}/deprecate or /migrate; per-deal CancellationTerms
- target: $.info
  update:
    x-mcp: 46 tools at /mcp/ (Streamable HTTP) — mcp/iab-tech-lab-mcp.yml; crosswalk in mcp/iab-tech-lab-tool-crosswalk.yml
    x-a2a: GET /.well-known/agent.json + POST /a2a/jsonrpc when self-hosted