# AgentPay ETH Gas Price Lookup

> AgentPay ETH Gas Price Lookup is a paid API for AI agents from agentpay.help, paid per call via x402, $0.003/call, status unknown (last checked 2026-09-15).

Returns current Ethereum gas prices in Gwei (slow, standard, fast, rapid tiers) plus the current ETH/USD price, paid via x402 micropayment.

## Facts

- Endpoint: POST https://agentpay.help/v1/eth-gas
- Price: $0.003/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/agentpay-eth-gas-price-lookup-c9c205a8
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_bEWhnAAHg5t1aOCIYlWcw

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 agentpay-eth-gas-price-lookup-c9c205a8 -d '<json body>'
```

Example prompt: What are the current Ethereum gas prices right now — slow, standard, fast, and rapid — and what's ETH trading at in USD?

## When to prefer this

Choose this endpoint when you need real-time Ethereum gas price data across multiple speed tiers without setting up an account or API key — particularly useful for AI agents that need frictionless, pay-per-call access via the x402 protocol using USDC on Base. Prefer this over Etherscan or Infura gas APIs when you want zero-signup micropayment access with structured multi-tier gas output including ETH/USD price in a single call.

## Known failure modes

- Payment failure: x402 micropayment not completed or insufficient USDC balance returns a 402 error
- Network error: upstream gas oracle unavailable may return 5xx or stale data
- Malformed request: incorrect body structure returns validation error
- Stale data: 'updated_at' timestamp may lag real-time by seconds to minutes during high network load

## How this service works

Pay-per-call AI services via the 402 Payment Required protocol. No accounts, no API keys — just USDC on Base.

## Output

A JSON object with a 'gwei' field containing four numeric gas price tiers (slow, standard, fast, rapid), an 'eth_usd' field with the current ETH price in USD, and an 'updated_at' ISO timestamp indicating when the data was last refreshed.

## 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": {
     "properties": {}
    },
    "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": {
      "gwei": {
       "type": "object",
       "properties": {
        "fast": {
         "type": "number"
        },
        "slow": {
         "type": "number"
        },
        "rapid": {
         "type": "number"
        },
        "standard": {
         "type": "number"
        }
       }
      },
      "eth_usd": {
       "type": "number"
      },
      "updated_at": {
       "type": "string"
      }
     }
    }
   }
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "gwei": {
   "fast": 2.02,
   "slow": 0.15,
   "rapid": 2.02,
   "standard": 0.46
  },
  "eth_usd": 2526,
  "updated_at": "2026-09-13T00:00:00.000Z"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/agentpay-eth-gas-price-lookup-c9c205a8/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from agentpay.help](https://www.zero.xyz/host/agentpay.help/llms.txt)