# agentutility — paid x402 endpoints for autonomous agents

> agentutility — paid x402 endpoints for autonomous agents is a paid API for AI agents from x402.agentutility.ai, paid per call via x402, $0.05/call, status unknown (last checked 2026-09-15).

## Facts

- Endpoint: POST https://x402.agentutility.ai/entity-knowledge-card
- Price: $0.05/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/entity-knowledge-card-a29e374d
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_NGdGATFh_S0k9aadhH8Tv

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 entity-knowledge-card-a29e374d -d '<json body>'
```

## How this service works

Paid x402 endpoints organized into product clusters. USDC-settled on Base. MCP-callable. ERC-8004 identity registry agentId 47167.

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "qid": "Q7259",
  "label": "Ada Lovelace",
  "entity": "Ada Lovelace",
  "degraded": true,
  "components": [
   {
    "ms": 450,
    "ok": true,
    "name": "wikidata-resolve"
   },
   {
    "ms": 300,
    "ok": false,
    "name": "company-enrich",
    "error": "no MX records or homepage found"
   }
  ],
  "key_claims": {
   "country": "United Kingdom",
   "identifiers": {}
  },
  "composed_of": [
   "wikidata-resolve",
   "wikipedia-search",
   "wikipedia-lookup",
   "company-enrich"
  ],
  "description": "English mathematician and writer",
  "type_claims": [
   "human"
  ],
  "company_profile": null,
  "wikipedia_summary": {
   "title": "Ada Lovelace",
   "summary": "English mathematician..."
  },
  "wikipedia_candidates": [
   {
    "title": "Ada Lovelace",
    "pageid": 63795
   }
  ]
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/entity-knowledge-card-a29e374d/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from x402.agentutility.ai](https://www.zero.xyz/host/x402.agentutility.ai/llms.txt)