Tool detail

gas

Base network current gas price and latest block number; add gasLimit to also get that transaction size's cost in ETH and USD.

Categories: Onchain data

Use when

check current Base gas price before sending a transaction
estimate ETH/USD cost of a transaction of a given gas size on Base

Not for

not other chains — Base only
not a gas-price history or trend series — current value only

Inputs

GET query param: gasLimit (integer 21000-30000000, optional) — also prices a transaction of this gas size.

Admitted input schema

{
  "type": "object",
  "properties": {
    "gasLimit": {
      "type": "integer",
      "minimum": 21000,
      "maximum": 30000000,
      "description": "Optional. Also price a transaction of this gas size"
    }
  },
  "required": [],
  "additionalProperties": false
}

Endpoint

Method: GET
URL: https://agenttoll.app/api/gas

Payment

Protocol: x402
Listed price: 0.001 USDC per call on Base
Payment method: exact
Network: eip155:8453
Asset: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Listed terms are catalog metadata. The caller supplies inputs and calls the tool outside Onelayer. If payment is required, the caller uses a compatible wallet to pay.

Source

Directory: Coinbase x402 Bazaar
Record: GET https://agenttoll.app/api/gas
Retrieved: 2026-09-30T20:37:07.382Z
Catalog file SHA-256: 6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524
Catalog built: 2026-09-30T22:31:58.034Z