ToolAssay

Get the current Base gas price and the ETH cost of an ETH, ERC-20 or x402 USDC t

Get the current Base gas price and the ETH cost of an ETH, ERC-20 or x402 USDC transfer at that price. Current Base gas: gas price, base fee, priority fee, and the ETH cost of an ETH transfer, an ERC-20 transfer and an x402 USDC settlement at that price. Query: none.

Not tested: has real-world effectsour last check, 2026-09-25
0 of 0checks answered this week
n/amedian answer time
$0.005listed 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

POST https://api.x-402.online/v1/chain/gas

CategoryMarket data
Provider hostapi.x-402.online
Networkseip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp
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": "POST",
  "queryParams": {},
  "type": "http"
}

Promised output schema (from the provider)

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "method": {
          "enum": [
            "POST"
          ],
          "type": "string"
        },
        "queryParams": {
          "properties": {},
          "type": "object"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "type": "object"
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}

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