{"openapi":"3.1.0","info":{"title":"Canada Charity Verify","version":"1.0.0","description":"Pay-per-call Canadian charity registration verification for AI agents via x402 (Base mainnet). Data: Canada Revenue Agency List of Charities open data (T3010), Open Government Licence - Canada.","contact":{"email":"support@example.com"}},"paths":{"/verify":{"post":{"summary":"Verify a Canadian charity by BN or name","requestBody":{"required":true,"content":{"application/json":{"schema":{"type":"object","properties":{"bn":{"type":"string","example":"119219814RR0001","description":"Charity business number (full BN or 9-digit root)."},"name":{"type":"string","example":"Canadian Red Cross","description":"Charity legal or account name to look up."}}}}}},"responses":{"200":{"description":"Charity verification result with audit receipt"},"400":{"description":"Invalid input"},"402":{"description":"Payment required (x402)"},"404":{"description":"No matching charity found"}}}}}}