# agentutility — paid x402 API catalog

> agentutility — paid x402 API catalog is a paid API for AI agents from x402.agentutility.ai, paid per call via x402, $0.02/call, status unknown (last checked 2026-09-14).

## Facts

- Endpoint: POST https://x402.agentutility.ai/token-price-lookup
- Price: $0.02/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/token-price-lookup-7a59f509
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_3CoWhAV8wuIPyuji1Ils6

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 token-price-lookup-7a59f509 -d '<json body>'
```

## How this service works

564 pay-per-call APIs for AI agents. Every endpoint is POST /<name> and is payable in USDC over x402 on Base and Solana — no signup, no API key, just pay-per-call. GET https://x402.agentutility.ai/ returns the same catalog as machine-readable JSON.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "query"
 ],
 "properties": {
  "sort": {
   "enum": [
    "relevance",
    "date"
   ],
   "type": "string",
   "description": "'relevance' (default, popularity-weighted) or 'date' (most-recent-first)."
  },
  "type": {
   "enum": [
    "story",
    "comment",
    "poll"
   ],
   "type": "string",
   "description": "Restrict to a single HN item type. Omit to include all types."
  },
  "limit": {
   "type": "number",
   "description": "Max hits to return. 1-20. Default 10."
  },
  "query": {
   "type": "string",
   "description": "Free-text search query (matches title, body, author, URL)."
  },
  "since": {
   "type": "string",
   "description": "Lower bound on created_at — ISO8601 date (YYYY-MM-DD) or full timestamp."
  },
  "until": {
   "type": "string",
   "description": "Upper bound on created_at — ISO8601 date (YYYY-MM-DD) or full timestamp."
  },
  "author": {
   "type": "string",
   "description": "Filter to a specific HN username (e.g. 'pg', 'dang')."
  },
  "min_points": {
   "type": "number",
   "description": "Minimum points (upvotes) floor. Comments don't have points; using this implicitly filters to stories."
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "name": "Bitcoin",
  "price": 65000,
  "symbol": "btc",
  "coin_id": "bitcoin",
  "market_cap": 1280000000000,
  "vs_currency": "usd",
  "last_updated": "2026-05-06T22:00:00Z",
  "total_volume": 28000000000,
  "market_cap_rank": 1,
  "price_change_percentage_24h": 2.1
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/token-price-lookup-7a59f509/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)