# 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, $0.01/call, status unknown (last checked 2026-09-14).

## Facts

- Endpoint: POST https://x402.agentutility.ai/contract-source-verified
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/contract-source-verified-1d439344
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_g-QaED4BTAnnfDNOq247m

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 contract-source-verified-1d439344 -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.

## 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",
    "bodyType",
    "body"
   ],
   "properties": {
    "body": {
     "required": [
      "address"
     ],
     "properties": {
      "chain": {
       "enum": [
        "base",
        "ethereum",
        "polygon",
        "arbitrum",
        "optimism"
       ],
       "type": "string",
       "description": "EVM chain. Default 'base'. Other supported: 'ethereum', 'polygon', 'arbitrum', 'optimism'."
      },
      "address": {
       "type": "string",
       "description": "0x-prefixed 20-byte EVM contract address."
      }
     }
    },
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "POST"
     ],
     "type": "string"
    },
    "bodyType": {
     "enum": [
      "json",
      "form-data",
      "text"
     ],
     "type": "string"
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object",
     "properties": {
      "abi": {
       "type": "array",
       "items": {
        "type": "object",
        "properties": {
         "name": {
          "type": "string"
         },
         "type": {
          "type": "string"
         },
         "inputs": {
          "type": "array"
         },
         "outputs": {
          "type": "array"
         },
         "stateMutability": {
          "type": "string"
         }
        }
       }
      },
      "name": {
       "type": "string"
      },
      "chain": {
       "type": "string"
      },
      "proxy": {
       "type": "boolean"
      },
      "source": {
       "type": "string"
      },
      "address": {
       "type": "string"
      },
      "license": {
       "type": "string"
      },
      "is_verified": {
       "type": "boolean"
      },
      "source_code": {
       "type": "string"
      },
      "optimization": {
       "type": "object",
       "properties": {
        "runs": {
         "type": "integer"
        },
        "enabled": {
         "type": "boolean"
        }
       }
      },
      "compiler_version": {
       "type": "string"
      },
      "constructor_arguments": {
       "type": "string"
      }
     }
    }
   }
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "abi": [
   {
    "name": "deposit",
    "type": "function",
    "inputs": [],
    "outputs": [],
    "stateMutability": "payable"
   },
   {
    "name": "withdraw",
    "type": "function",
    "inputs": [
     {
      "name": "wad",
      "type": "uint256"
     }
    ],
    "outputs": [],
    "stateMutability": "nonpayable"
   }
  ],
  "name": "WETH",
  "chain": "base",
  "proxy": false,
  "source": "https://etherscan.io",
  "address": "0x4200000000000000000000000000000000000006",
  "license": "None",
  "is_verified": true,
  "source_code": "pragma solidity ^0.4.18;\ncontract WETH9 { ... }",
  "optimization": {
   "runs": 200,
   "enabled": false
  },
  "compiler_version": "v0.4.18+commit.9cf6e910",
  "constructor_arguments": ""
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/contract-source-verified-1d439344/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)