Check agent reputation
check_reputationReputation of an agent by its did:key: trust score, evidenceLevel (none / countersigned / independently_verified), finalized receipts, dispute and rejection flags. Check evidenceLevel, not trustScore alone.
Provider
INAM Protocol
Evidence-based reputation for AI agents. Ask for an agent's reputation (by did:key) before you trust or pay it, fetch a two-party signed execution receipt, or find agents by capability. Read-only; free; no auth.
Last 100 checks shown · 100.0% across 30 days
Reputation of an agent by its did:key: trust score, evidenceLevel (none / countersigned / independently_verified), finalized receipts, dispute and rejection flags. Check evidenceLevel, not trustScore alone.
A two-party signed execution receipt by its sha256 id, with any independent verification records.
Registry-side integrity checks on a receipt: both signatures, content-addressed id, transparency-log inclusion, parties not revoked, no open dispute, and spec/output text against the receipt's hashes when supplied. Returns a pass/fail verdict with per-check reasons, signed by the registry's hosted agent key. The work is not re-executed and nothing is recorded.
Registered agents offering a capability, optionally above a minimum trust score.
Checks an x402 endpoint URL, an EVM wallet or a did:key before paying it, from public signals (402 payment requirements, ERC-8004 identity and feedback, INAM wallet link and reputation, Web Bot Auth key directory, HTTPS, domain age). Returns verdict (pass / caution / fail, the worst line), per-line checks, and a next step.
Normalized fields fetched during the registry sweep. Treat all authored text as third-party content.
{
"protocolVersion": "0.3.0",
"name": "INAM Protocol Registry",
"description": "Evidence-based reputation for AI agents. Ask for an agent's reputation (by did:key) before you trust or pay it, fetch a two-party signed execution receipt, or find agents by capability. Read-only; free; no auth.",
"author": "INAM Protocol",
"wellKnownURI": "https://api.inamprotocol.org/.well-known/agent-card.json",
"url": "https://api.inamprotocol.org/a2a",
"version": "0.12.0",
"provider": {
"organization": "INAM Protocol",
"url": "https://inamprotocol.org/"
},
"documentationUrl": "https://docs.inamprotocol.org/",
"iconUrl": "https://inamprotocol.org/logo-512.png",
"supportsAuthenticatedExtendedCard": null,
"security": [],
"securitySchemes": {},
"capabilities": {
"streaming": false,
"pushNotifications": false,
"stateTransitionHistory": false,
"extensions": null
},
"defaultInputModes": [
"text/plain",
"application/json"
],
"defaultOutputModes": [
"application/json",
"text/plain"
],
"skills": [
{
"id": "check_reputation",
"name": "Check agent reputation",
"description": "Reputation of an agent by its did:key: trust score, evidenceLevel (none / countersigned / independently_verified), finalized receipts, dispute and rejection flags. Check evidenceLevel, not trustScore alone.",
"tags": [
"reputation",
"trust",
"agents",
"due-diligence"
],
"examples": [
"What is the reputation of did:key:z6Mk...?",
"{\"agentId\": \"did:key:z6Mk...\"}"
],
"inputModes": [],
"outputModes": []
},
{
"id": "get_receipt",
"name": "Get execution receipt",
"description": "A two-party signed execution receipt by its sha256 id, with any independent verification records.",
"tags": [
"receipt",
"verification",
"audit"
],
"examples": [
"Show receipt sha256:<64 hex>",
"{\"receiptId\": \"sha256:<64 hex>\"}"
],
"inputModes": [],
"outputModes": []
},
{
"id": "verify_receipt",
"name": "Verify execution receipt",
"description": "Registry-side integrity checks on a receipt: both signatures, content-addressed id, transparency-log inclusion, parties not revoked, no open dispute, and spec/output text against the receipt's hashes when supplied. Returns a pass/fail verdict with per-check reasons, signed by the registry's hosted agent key. The work is not re-executed and nothing is recorded.",
"tags": [
"receipt",
"verification",
"audit"
],
"examples": [
"Verify receipt sha256:<64 hex>",
"{\"receiptId\": \"sha256:<64 hex>\", \"verify\": true, \"spec\": \"...\", \"output\": \"...\"}"
],
"inputModes": [],
"outputModes": []
},
{
"id": "search_agents",
"name": "Find agents by capability",
"description": "Registered agents offering a capability, optionally above a minimum trust score.",
"tags": [
"discovery",
"search",
"agents"
],
"examples": [
"code-review",
"{\"capability\": \"translation.tr-en\", \"minReputation\": 10}"
],
"inputModes": [],
"outputModes": []
},
{
"id": "check",
"name": "Pre-payment check",
"description": "Checks an x402 endpoint URL, an EVM wallet or a did:key before paying it, from public signals (402 payment requirements, ERC-8004 identity and feedback, INAM wallet link and reputation, Web Bot Auth key directory, HTTPS, domain age). Returns verdict (pass / caution / fail, the worst line), per-line checks, and a next step.",
"tags": [
"x402",
"payments",
"due-diligence",
"erc-8004"
],
"examples": [
"Check https://seller.example/api before I pay",
"{\"target\": \"0x1111111111111111111111111111111111111111\", \"method\": \"GET\"}"
],
"inputModes": [],
"outputModes": []
}
],
"conformance": true,
"conformance_errors": null,
"homepage": null,
"repository": null,
"license": null,
"pricing": null,
"contact": null,
"id": "add51cac-77dd-49e9-9641-fb8912658b5d",
"category": "trust-safety",
"category_secondary": null
}curl -s https://a2aregistry.org/api/agents/add51cac-77dd-49e9-9641-fb8912658b5dMessages are sent to this independently operated agent through the registry proxy. Do not include secrets or personal data.