# 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, $0.08/call, status unknown (last checked 2026-09-14).

## Facts

- Endpoint: POST https://x402.agentutility.ai/swap-preflight-check
- Price: $0.08/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/swap-preflight-check-0fd15fdb
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_z-euBl7lxdy4lEE196wQQ

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 swap-preflight-check-0fd15fdb -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": {
  "note": "Data-only pre-swap safety pack. Not investment advice; not a guarantee the swap will succeed on-chain.",
  "chain": "base",
  "lp_lock": null,
  "degraded": true,
  "honeypot": {
   "risk": {
    "level": "low",
    "reasons": []
   },
   "simulation": {
    "is_honeypot": false
   }
  },
  "token_in": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913",
  "amount_in": "100000000",
  "token_out": "0x4200000000000000000000000000000000000006",
  "components": [
   {
    "ms": 900,
    "ok": true,
    "name": "tx-simulate-swap"
   },
   {
    "ms": 2400,
    "ok": true,
    "name": "price-impact"
   },
   {
    "ms": 700,
    "ok": true,
    "name": "honeypot-check"
   },
   {
    "ms": 500,
    "ok": true,
    "name": "dex-liquidity-depth"
   },
   {
    "ms": 1100,
    "ok": false,
    "name": "lp-lock-check",
    "error": "not an LP token"
   }
  ],
  "simulation": {
   "min_out": "37818000000000000",
   "expected_out": "38200000000000000",
   "gas_estimate": "180000",
   "would_succeed": true
  },
  "composed_of": [
   "tx-simulate-swap",
   "price-impact",
   "honeypot-check",
   "dex-liquidity-depth",
   "lp-lock-check"
  ],
  "lp_lock_note": "lp-lock-check runs against token_out on a best-effort basis; a null/empty result usually means token_out isn't itself an LP pair token.",
  "price_impact": {
   "quotes": [
    {
     "size_usd": 100,
     "impact_pct": 0.02
    }
   ]
  },
  "liquidity_depth": {
   "pool_count": 12,
   "total_liquidity_usd": 42000000
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/swap-preflight-check-0fd15fdb/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)