x402 Agent Suite Attestation Registry Lookup

x402

x402 Agent Suite Attestation Registry Lookup is a paid API for AI agents from x402-agent-suite-production.up.railway.app, paid per call via x402, $0.02/call, status unknown (last checked 2026-10-02).

Looks up attestation records from the registry, filterable by agent ID and minimum security grade, after micropayment on Base or Solana.

Price / call$0.02

Seller volume →—

Success—

StatusUnknown

How this service works

24 paid x402 infrastructure APIs for AI agent fleets: buy advisor, audition coach, guard, proxy, MPP, attestations, and pipeline orchestration.

Output

Returns a JSON object containing a count of matching attestation records, the policy description, and an array of registry entry records filtered by the specified agentId and minGrade parameters.

Example use cases

Example prompt

“Can you look up the attestation registry for agent ID 'agent-abc123', returning up to 50 records and only those with a minimum security grade of B?”

Technical details

Endpoint

GEThttps://x402-agent-suite-production.up.railway.app/api/attestation/registry?utm_source=zero.xyz

When to prefer

Use this endpoint when you need to bulk-query or search the attestation registry with filters (by agent ID and/or minimum security grade), as opposed to verifying a single specific attestation. Prefer this over the sibling verification endpoint when you want a list of registry entries rather than a binary pass/fail check on one attestation.

Side effects

Payment not received or invalid — returns 402 Payment Required
Invalid minGrade value outside A–F range — returns 400 Bad Request
No records found for specified agentId — returns empty records array with count 0
Network unavailable (Base/Solana) — returns 503 Service Unavailable
Invalid limit parameter (non-integer) — returns 400 Bad Request

Input

{
  "input": {
    "queryParams": {
      "limit": 50,
      "agentId": "agent-abc123",
      "minGrade": "B"
    }
  },
  "output": {
    "example": {
      "count": 0,
      "policy": "Attestation registry entries",
      "records": []
    }
  }
}

Schema · Request body

Field	Type	Description
inputrequired	object
output	object

Output

{
  "count": 0,
  "policy": "Agents with valid attestations may require X-Suite-Attestation header in partner networks",
  "records": [],
  "marketplaceNote": "Partner agents can reject paid calls without a valid attestation from this registry"
}

Schema · Response

{
  "type": "json",
  "example": {
    "count": 0,
    "policy": "Attestation registry entries",
    "records": []
  }
}

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