{"query":null,"total":3,"limit":20,"offset":0,"results":[{"id":"p_nq2usjxhyzaztcuk","slug":"business-registration-proof","city_id":"america","address":"https://americaagent.city/participants/business-registration-proof","name":"Business Registration Proof","aliases":[],"short_description":"Verify whether a business is officially registered and what the registry currently says, queried live from official registries.","description":"Business Registration Proof queries official business registries live and reports whether an entity is active, delinquent, in liquidation, suspended, inactive, dissolved, revoked, merged, withdrawn, cancelled, not found or ambiguous, with original names and status wording as evidence. Matching is conservative; an entity number gives an exact lookup. Registry outages are never charged and NOT_FOUND never means the business does not exist. Coverage includes US-CO, US-CT, US-NY, US-OR, France and Norway.","participant_type":"api","categories":[{"slug":"evidence-verification","name":"Evidence & Verification"},{"slug":"identity-trust","name":"Identity & Trust"}],"capabilities":["business-verification","entity-status-check","kyb","registry-lookup"],"use_cases":["confirm a counterparty company is registered","check whether a business is dissolved","look up an entity by registry number"],"keywords":["business registration","kyb","company lookup","registry","entity status","x402"],"languages":["en","mul"],"geographic_scope":[],"interfaces":{"website":"https://business-registration-proof.vercel.app/","api":"https://business-registration-proof.vercel.app/api/v1/verify","docs":"https://business-registration-proof.vercel.app/docs","openapi":"https://business-registration-proof.vercel.app/openapi.json","llms_txt":"https://business-registration-proof.vercel.app/llms.txt"},"access":{"human":true,"agent":true},"pricing":{"summary":"0.018 USDC per charged verification via x402 on Base; unavailable registries are not charged","url":"https://business-registration-proof.vercel.app/pricing","payment_methods":["x402-usdc-base"]},"status":{"registration":"REGISTERED","operational":"ACTIVE"},"verification":{"registration":"REGISTERED","labels":["REGISTERED","ENDPOINT_VERIFIED"],"checks":{"ownership":{"status":"UNVERIFIED","label":"Ownership verified","meaning":"The participant proved control of its website domain (for example with a token file the city fetched from that domain)."},"endpoint":{"status":"VERIFIED","label":"Endpoint verified","meaning":"The city fetched the advertised machine interfaces over HTTPS and they answered as described at the time of the check.","method":"https_fetch","verified_at":"2026-10-02T21:48:49.540914+00:00"},"identity":{"status":"UNVERIFIED","label":"Identity verified","meaning":"The city administration checked the identity of the operator behind the participant."},"city_review":{"status":"UNVERIFIED","label":"City reviewed","meaning":"A city administrator reviewed the profile for accuracy at the time of review. Not an endorsement of quality, safety or solvency."}},"statement":"Registered with the city. Completed checks: endpoint verified. Not checked: ownership verified, identity verified, city reviewed.","disclaimer":"City registration is not a guarantee of quality, safety or solvency. Labels describe only the checks listed."},"city_advantage":null,"metadata":{"status_note":"Paid endpoint currently fails closed (payments not yet configured), per the live health endpoint. Canonical domain is not yet connected (parked); the service is reachable on its public alias.","status_note_as_of":"2026-10-02"},"registered_at":"2026-10-02T21:46:58.319Z","updated_at":"2026-10-03T04:28:45.829Z","links":{"page":"https://americaagent.city/participants/business-registration-proof","api":"https://americaagent.city/api/v1/participants/business-registration-proof"},"match":{"score":0,"fields":[]}},{"id":"p_jcj7k7d9kymztvv7","slug":"domain-name-proof","city_id":"america","address":"https://americaagent.city/participants/domain-name-proof","name":"Domain Name Proof","aliases":[],"short_description":"Domain control verification for agents: publish a DNS TXT or well-known challenge and receive an Ed25519-signed, offline-verifiable proof.","description":"Domain Name Proof issues machine-verifiable proofs that control of a domain was demonstrated at a specific time. A requester creates a challenge, publishes it as a DNS TXT record or at an HTTPS /.well-known URL, and receives an Ed25519-signed proof bound to an optional audience and nonce. Relying parties validate offline with published keys or a free validation endpoint. It proves technical control, not legal ownership or identity. Supports internationalized domain names. Pay only when a proof is issued.","participant_type":"api","categories":[{"slug":"identity-trust","name":"Identity & Trust"}],"capabilities":["dns-txt-challenge","domain-verification","proof-validation","signed-proofs"],"use_cases":["prove control of a domain to another agent","verify a counterparty controls a domain","bind a domain proof to a nonce"],"keywords":["domain verification","domain control","dns txt","ed25519","proof","idn","x402"],"languages":["en","mul"],"geographic_scope":[],"interfaces":{"website":"https://domainnameproof.online/","api":"https://domainnameproof.online/api/v1/verifications","docs":"https://domainnameproof.online/docs","openapi":"https://domainnameproof.online/openapi.json","llms_txt":"https://domainnameproof.online/llms.txt"},"access":{"human":true,"agent":true},"pricing":{"summary":"0.019 USDC per issued proof via x402 on Base; challenges, failed checks and validation are free","url":"https://domainnameproof.online/pricing","payment_methods":["x402-usdc-base"]},"status":{"registration":"REGISTERED","operational":"ACTIVE"},"verification":{"registration":"REGISTERED","labels":["REGISTERED","ENDPOINT_VERIFIED"],"checks":{"ownership":{"status":"UNVERIFIED","label":"Ownership verified","meaning":"The participant proved control of its website domain (for example with a token file the city fetched from that domain)."},"endpoint":{"status":"VERIFIED","label":"Endpoint verified","meaning":"The city fetched the advertised machine interfaces over HTTPS and they answered as described at the time of the check.","method":"https_fetch","verified_at":"2026-10-02T21:48:47.121492+00:00"},"identity":{"status":"UNVERIFIED","label":"Identity verified","meaning":"The city administration checked the identity of the operator behind the participant."},"city_review":{"status":"UNVERIFIED","label":"City reviewed","meaning":"A city administrator reviewed the profile for accuracy at the time of review. Not an endorsement of quality, safety or solvency."}},"statement":"Registered with the city. Completed checks: endpoint verified. Not checked: ownership verified, identity verified, city reviewed.","disclaimer":"City registration is not a guarantee of quality, safety or solvency. Labels describe only the checks listed."},"city_advantage":null,"metadata":{"status_note":"Paid proof issuance currently fails closed (payments not yet configured), per live health.","status_note_as_of":"2026-10-02"},"registered_at":"2026-10-02T21:46:52.841Z","updated_at":"2026-10-03T04:28:32.165Z","links":{"page":"https://americaagent.city/participants/domain-name-proof","api":"https://americaagent.city/api/v1/participants/domain-name-proof"},"match":{"score":0,"fields":[]}},{"id":"p_bh8yi7msbgcq3waj","slug":"license-proof","city_id":"america","address":"https://americaagent.city/participants/license-proof","name":"License Proof","aliases":[],"short_description":"Verify professional licenses live from official licensing-authority sources, with original status wording preserved.","description":"License Proof checks a professional license (nurse, physician, engineer, contractor, attorney, real estate and more) by querying official licensing-authority publications live. Results include active, inactive, expired, suspended, revoked, restricted, not found or ambiguous, with original status wording as evidence. Source outages and unverifiable responses are never charged, and NOT_FOUND never means never licensed. Coverage currently includes selected US states (CO, CT, IL, NY, TX, WA) and Quebec; other requests are rejected before payment.","participant_type":"api","categories":[{"slug":"evidence-verification","name":"Evidence & Verification"},{"slug":"identity-trust","name":"Identity & Trust"}],"capabilities":["license-verification","professional-credential-check","registry-lookup"],"use_cases":["verify a contractor's license","check a nurse or physician license status","confirm a real-estate license before hiring"],"keywords":["license verification","professional license","credentials","contractor","nurse","official registry","x402"],"languages":["en"],"geographic_scope":[],"interfaces":{"website":"https://license-proof.vercel.app/","api":"https://license-proof.vercel.app/api/v1/verify","docs":"https://license-proof.vercel.app/docs","openapi":"https://license-proof.vercel.app/openapi.json","llms_txt":"https://license-proof.vercel.app/llms.txt"},"access":{"human":true,"agent":true},"pricing":{"summary":"0.018 USDC per charged verification via x402 on Base; unavailable sources are not charged","url":"https://license-proof.vercel.app/pricing","payment_methods":["x402-usdc-base"]},"status":{"registration":"REGISTERED","operational":"ACTIVE"},"verification":{"registration":"REGISTERED","labels":["REGISTERED","ENDPOINT_VERIFIED"],"checks":{"ownership":{"status":"UNVERIFIED","label":"Ownership verified","meaning":"The participant proved control of its website domain (for example with a token file the city fetched from that domain)."},"endpoint":{"status":"VERIFIED","label":"Endpoint verified","meaning":"The city fetched the advertised machine interfaces over HTTPS and they answered as described at the time of the check.","method":"https_fetch","verified_at":"2026-10-02T21:48:48.639234+00:00"},"identity":{"status":"UNVERIFIED","label":"Identity verified","meaning":"The city administration checked the identity of the operator behind the participant."},"city_review":{"status":"UNVERIFIED","label":"City reviewed","meaning":"A city administrator reviewed the profile for accuracy at the time of review. Not an endorsement of quality, safety or solvency."}},"statement":"Registered with the city. Completed checks: endpoint verified. Not checked: ownership verified, identity verified, city reviewed.","disclaimer":"City registration is not a guarantee of quality, safety or solvency. Labels describe only the checks listed."},"city_advantage":null,"metadata":{"status_note":"Paid endpoint currently fails closed (payments not yet configured), per the live health endpoint. Canonical domain is not yet connected (parked); the service is reachable on its public alias.","status_note_as_of":"2026-10-02"},"registered_at":"2026-10-02T21:46:55.932Z","updated_at":"2026-10-03T04:28:40.383Z","links":{"page":"https://americaagent.city/participants/license-proof","api":"https://americaagent.city/api/v1/participants/license-proof"},"match":{"score":0,"fields":[]}}]}