Tool detail

ApiToll Base Gas Oracle

Returns Base network EIP-1559 gas fee tiers (slow/standard/fast) as ready-to-use maxFeePerGas and maxPriorityFeePerGas in wei, plus base fee and network fullness.

Categories: Onchain data

Use when

get current gas price tiers for a Base transaction
set maxFeePerGas and maxPriorityFeePerGas before sending a Base tx
check Base network congestion before transacting

Not for

not for other chains - Base network only
not a gas price history or chart

Inputs

GET query param: blocks (integer, 1-50, required by schema; docs note a default of 20).

Admitted input schema

{
  "type": "object",
  "properties": {
    "blocks": {
      "type": "integer",
      "minimum": 1,
      "maximum": 50,
      "description": "Recent blocks to sample for percentile reward (1..50, clamped). Wider = smoother tiers, narrower = more reactive."
    }
  },
  "required": [
    "blocks"
  ],
  "additionalProperties": false
}

Endpoint

Method: GET
URL: https://gas.apitoll.cloud/v1/base/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://gas.apitoll.cloud/v1/base/gas
Retrieved: 2026-09-30T20:37:07.382Z
Catalog file SHA-256: 6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524
Catalog built: 2026-09-30T22:31:58.034Z