gas-estimate?action=string&chain=string&gas=string

Estimates the USD gas cost of a common action (transfer, erc20-transfer, approve, swap, nft-mint) across EVM chains, combining live gas price per chain with the native token price.

Estimates the USD gas cost of a common action (transfer, erc20-transfer, approve, swap, nft-mint) across EVM chains, combining live gas price per chain with the native token price. Lets an agent pick the cheapest chain to execute and budget a transaction. Live aggregated gas + price compute. gas cost estimate, transaction fee usd, cheapest chain to execute, swap gas Accepts payment on Base or Solana — either network works.

UNRATEDListedProse in the URL

Overview

Grade?

UNRATED

0 of 30 paid calls toward a letter

Price

$0.012 per call

Paid calls

none yet

delivery unknown until someone pays

More info

Seller?

0x4466d4a8…d6dd125e

URL

https://api.x402node.dev/chain/gas-estimate?action=string&chain=string&gas=string

Seen

first 34 days ago · last 4 days ago

43 free handshakes

Payment

Pays through

x402

Offered on?

Base USDC, Solana

Listed on?

Base, Solana

Score, from free handshakes onlyweights 2026.09.6

UN
RATED

0.812 liveness verified, no letter

To a letter · 30 paid calls

0 of 30

Held back by sample size, not by the seller · gap to 1.000 is 0.188: 0.113 uncertain ? + 0.075 short ? · 0.088 to A

How the composite of 0.812 is made up, part by part
Component	Weight	Measured	Lower bound ?		Adds	Short ?	Uncertain ?
livenesscosts the most it answered at all	0.60	1.00	0.814		0.488	0	−0.112
latency p95 it answered as fast as its class	0.20	0.62	0.618		0.124	−0.075	−0.001
price stability the price stayed where it was listed	0.20	1.00	1.000		0.200	0	0
Composite	1.00		0.812	gap to 1.000 = 0.188 · 0.075 short · 0.113 uncertain	0.812	−0.075	−0.113

Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check

The multiplication, written out

  0.600 × 0.814   liveness       
+ 0.200 × 0.618   latency p95    
+ 0.200 × 1.000   price stability
= 0.812           → UNRATED: 33 of 30 paid calls      weights 2026.09.6 · 33 samples · seed cap_01M1A5QH7WYFY0M8NXT61ZTPJ9|2026-08-29T05:59:22.051Z|2026.09.6

Verify it yourselfnpx teppi-check https://api.x402node.dev/chain/gas-estimate?action=string&chain=string&gas=stringcurl -s https://api.teppi.xyz/v1/trust/cap_01M1A5QH7WYFY0M8NXT61ZTPJ9