ToolAssay

Native gas on Ethereum, Arbitrum, Base, BNB Chain, Polygon or Optimism, paid in

Native gas on Ethereum, Arbitrum, Base, BNB Chain, Polygon or Optimism, paid in USDC on Base, Arbitrum or Polygon. Offers come from /x402/gas/quote for the chains, a recipient and a USDC amount. The payment goes to an address made for that one order, which delivers at least the stated minimum in native; from another chain, USDC on arrival if the arrival swap fails. An order not executed by its deadline is refunded, or, if paid from another chain and not filled, refunded hours later.

Not tested: has real-world effectsour last check, 2026-10-26
0 of 0checks answered this week
n/amedian answer time
$5.00listed 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://api.cleave.fi/x402/gas

CategoryMarket data
Provider hostapi.cleave.fi
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": {
    "chainId": "8453",
    "pay": "8453",
    "recipient": "0x000000000000000000000000000000000000dEaD",
    "usdc": "5"
  },
  "type": "http"
}

Promised output schema (from the provider)

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "method": {
          "enum": [
            "GET"
          ],
          "type": "string"
        },
        "queryParams": {
          "additionalProperties": false,
          "properties": {
            "chainId": {
              "pattern": "^[1-9][0-9]{0,9}$",
              "type": "string"
            },
            "pay": {
              "pattern": "^[1-9][0-9]{0,9}$",
              "type": "string"
            },
            "recipient": {
              "pattern": "^0x[0-9a-fA-F]{40}$",
              "type": "string"
            },
            "refundTo": {
              "pattern": "^0x[0-9a-fA-F]{40}$",
              "type": "string"
            },
            "usdc": {
              "pattern": "^[0-9]{1,9}(\\.[0-9]{1,6})?$",
              "type": "string"
            },
            "wallet": {
              "pattern": "^0x[0-9a-fA-F]{40}$",
              "type": "string"
            }
          },
          "required": [
            "pay",
            "chainId",
            "recipient",
            "usdc"
          ],
          "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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