Tool detail

M2M Sentinel

Returns the current Base network transaction gas cost along with the RPC data source and its trust/credential level.

Categories: Onchain data, Market prices

Use when

get the current Base gas price before submitting a transaction
check whether a gas reading came from a credentialed or degraded RPC source

Not for

not a transaction simulator — price estimate only
not contract-safety analysis — that's M2M Sentinel's audit endpoint

Inputs

GET request, no parameters

Admitted input schema

{
  "type": "object",
  "properties": {},
  "required": [],
  "additionalProperties": false
}

Endpoint

Method: GET
URL: https://api.m2msentinel.com/v1/gas/fees

Payment

Protocol: x402
Listed price: 0.005 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://api.m2msentinel.com/v1/gas/fees
Retrieved: 2026-09-30T20:37:07.382Z
Catalog file SHA-256: 6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524
Catalog built: 2026-09-30T22:31:58.034Z