Gas estimate before you send, on Ethereum, Base, Arc or BNB Chain: pass ?to=&from=&data=&value= and get the gas units, the gas price and the fee in the native coin, or the revert…
Gas estimate before you send, on Ethereum, Base, Arc or BNB Chain: pass ?to=&from=&data=&value= and get the gas units, the gas price and the fee in the native coin, or the revert reason if the transaction would fail. Nothing is signed or sent.
| Method | Endpoint | Price | Description |
|---|---|---|---|
GET | /v1/marketplace/api/evm-gas-estimate | $0.00115 | Invoke Evm Gas Estimate (Finance) and return the upstream response. |
Requests are paid per call over the x402 protocol. Call the endpoint, receive a 402 Payment Required quote, then repeat the request with the signed payment header. The SDKs do both steps for you.
# 1. Ask for a quote
curl -i https://api.jarvisclaw.ai/v1/marketplace/api/evm-gas-estimate
# 2. Pay it (the SDK signs and retries for you)
curl -H "X-PAYMENT: <signed-payload>" https://api.jarvisclaw.ai/v1/marketplace/api/evm-gas-estimate
Open in the marketplace
Docs: Getting started · x402 payments · x402 discovery · All APIs