ToolAssay

Read the live gas price, EIP-1559 base fee and estimated native-transfer cost on

Read the live gas price, EIP-1559 base fee and estimated native-transfer cost on Base, Ethereum, Polygon, Arbitrum or Optimism. No RPC key or account. Try GET /gas-price/sample.

Not tested: has real-world effectsour last check, 2026-09-25
0 of 0checks answered this week
n/amedian answer time
$0.001listed price per call
n/aprice it asked us

Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.

Endpoint

GET https://x402.agentindex.world/gas-price

CategoryMarket data
Provider hostx402.agentindex.world
Networkseip155:8453
Payment schemesexact
Self-reported calls, 30 days0 from 0 payers (the provider's figure, not ours)

Our checks, last 30 days

We never call tools that send, buy, move money or file anything, not even without paying.

Example input (from the provider)

{
  "method": "GET",
  "queryParams": {
    "network": "base"
  },
  "type": "http"
}

Promised output schema (from the provider)

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "method": {
          "enum": [
            "GET",
            "HEAD",
            "DELETE"
          ],
          "type": "string"
        },
        "queryParams": {
          "properties": {
            "network": {
              "description": "EVM network to read; defaults to Base.",
              "enum": [
                "base",
                "ethereum",
                "polygon",
                "arbitrum",
                "optimism"
              ],
              "type": "string"
            }
          },
          "required": [],
          "type": "object"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "properties": {
            "base_fee": {
              "type": [
                "object",
                "null"
              ]
            },
            "block_number": {
              "type": "integer"
            },
            "gas_price": {
              "type": "object"
            },
            "native_transfer_estimate": {
              "type": "object"
            },
            "network": {
              "type": "object"
            },
            "x402_receipt": {
              "type": "object"
            }
          },
          "required": [
            "network",
            "block_number",
            "gas_price",
            "native_transfer_estimate"
          ],
          "type": "object"
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}

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