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OpenAPI Specification

openapi: 3.2.0
info:
  title: Agentic Services Web Evidence Contractor Check API
  version: 0.3.1
  description: Paid claim verification for agents with cited evidence, complete provider-source provenance, reproducible snapshots, content hashes, and signed receipts.
  x-guidance: Use POST /web-evidence/v1/claims/verify to verify one factual claim against current web evidence. Send a JSON body with claim and optional source, freshness, jurisdiction, and language constraints.
  contact:
    url: https://aisoup.net/#contact
tags:
- name: Contractor Check
paths:
  /contractor-check/v1/check:
    post:
      operationId: checkC10ContractorLicense
      tags:
      - Contractor Check
      summary: Check one California C-10 contractor license
      description: Pay $1 in Base USDC, then receive a source-linked CSLB license, bond, and workers compensation preflight.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              additionalProperties: false
              required:
              - licenseNumber
              properties:
                licenseNumber:
                  type: string
                  pattern: ^[0-9]{1,8}$
      responses:
        '200':
          description: Source-linked contractor check report
        '402':
          description: x402 or MPP payment required
      x-payment-info:
        price:
          mode: fixed
          currency: USD
          amount: '1.00'
        protocols:
        - x402: {}
        - mpp:
            method: evm
            intent: charge
            currency: '0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913'
x-service-info:
  description: Paid, structured verification of factual claims using current web evidence.
  name: Web Evidence
  url: https://api.aisoup.net/web-evidence/
  categories:
  - research
  - fact-checking
  - web-evidence
  docs:
    apiReference: https://api.aisoup.net/web-evidence/openapi.json
    homepage: https://aisoup.net/web-evidence/
    llms: https://api.aisoup.net/web-evidence/llms.txt