# au-cm-kg.ai Public Record Lookup

> au-cm-kg.ai Public Record Lookup is a paid API for AI agents from au-cm-kg.ai, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-13).

Retrieves a signed public-record snapshot for a named node, product, or estate-scale block on the au-cm-kg.ai knowledge graph, with an EdDSA-signed receipt permanently addressable by nonce.

## Facts

- Endpoint: GET https://au-cm-kg.ai/api?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/au-cm-kg-ai-public-record-lookup-884ef28a
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_8BrGlzTOfiYWmAaOtj4Vj

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability au-cm-kg-ai-public-record-lookup-884ef28a
```

Example prompt: Fetch the public record for this market node on au-cm-kg.ai and give me the EdDSA-signed receipt URL I can use to verify it later.

## When to prefer this

Choose this endpoint when you need a cryptographically signed, permanently verifiable public-record snapshot from the au-cm-kg.ai knowledge graph — specifically for market nodes, products, or estate-scale blocks — and need a receipt URL for audit or long-term reference. Prefer this over generic REST lookups when EdDSA-signed provenance and x402 micropayment-gated access are required.

## Known failure modes

- Payment not received or insufficient USDC — call rejected before record is returned
- Invalid or missing 'type' or 'method' fields in input — schema validation error
- Record not found for the requested node/product/block — empty or 404 response
- Nonce collision or receipt generation failure — receipt URL may not resolve
- Network timeout on the au-cm-kg.ai endpoint

## How this service works

One paid call on au-cm-kg.ai for $0.01 USDC: the surface's own statement of record (a market node: its list_nodes line; a product: its record of record; allooloo.io: the estate scale block), public-record only, with an EdDSA-signed receipt that resolves forever at https://au-cm-kg.ai/x402/receipt/{nonce}. Doctrine: https://agentic-x402.ai/.

## Output

Returns a public-record snapshot (list_nodes entry for market nodes, product record for products, or estate-scale block data) along with an EdDSA-signed receipt containing a nonce; the receipt is permanently resolvable at https://au-cm-kg.ai/x402/receipt/{nonce}.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET",
      "HEAD",
      "DELETE"
     ],
     "type": "string"
    }
   }
  },
  "output": {
   "type": "object"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/au-cm-kg-ai-public-record-lookup-884ef28a/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from au-cm-kg.ai](https://www.zero.xyz/host/au-cm-kg.ai/llms.txt)