overlay: 1.0.0
info:
  title: API Evangelist enhancements for GPT-5.5 Utility Tools for API.market
  version: 1.0.0
extends: openapi/558686-xyz-api-market-utility-tools-openapi.json
x-generated: '2026-09-19'
x-method: generated
x-source: openapi/558686-xyz-api-market-utility-tools-openapi.json
x-note: Overlay of API Evangelist enhancements; the original spec is never mutated. Actions target the spec verbatim
  as served by the provider on 2026-09-19.
actions:
- target: $.info
  update:
    x-apievangelist:
      catalog: https://apis.io/558686-xyz
      provider: gpt55-token-gateway
      maintainer: Kin Lane <kin@apievangelist.com>
      artifacts:
      - apis.yml
      - a2a/558686-xyz-a2a.yml
      - mcp/558686-xyz-mcp.yml
      - mcp/558686-xyz-tool-crosswalk.yml
      - conventions/558686-xyz-conventions.yml
      - errors/558686-xyz-problem-types.yml
      - rate-limits/558686-xyz-rate-limits.yml
      - plans/558686-xyz-plans-pricing.yml
      - lifecycle/558686-xyz-lifecycle.yml
      - conformance/558686-xyz-conformance.yml
      - authentication/558686-xyz-authentication.yml
      - well-known/558686-xyz-well-known.yml
      - skills/_index.yml
- target: $.info
  update:
    x-apievangelist-observed:
      anonymous: true
      note: GET /api-market/v1/tools/timestamp?value=1700000000 and /api-market/v1/tools/text-stats?text=... answered
        200 with no payment or key on the provider host (2026-09-20); responses carry an x402Lead block pointing
        at the paid chat tiers.