Endpoint · market dataGETbase-gas-x402-production.up.railway.app/gas?gasLimit=21000

Live Base mainnet gas: EIP-1559 base fee, low/medium/high priority tiers in gwei, and a transaction cost estimate for any gas limit.

BListed

Overview

Grade?

B 0.843 ▲ 0.035 · 7 d

on 47 paid calls · outcome verified

Price

$0.005 per call

Paid calls

47 delivered

More info

Seller?

0x0d083590…5de25b44

URL

https://base-gas-x402-production.up.railway.app/gas?gasLimit=21000

Seen

first 34 days ago · last 8 hr ago

78 free handshakes

Payment

Pays through

x402

Offered on?

Base USDC

Listed on?

Base

Scoreweights 2026.09.6

0.843 ▲ 0.035 · 7 d

47 paid calls · 90 days · computed 2 hr ago

0.843

FDCBA

0.450.650.800.90

Held back by sample size, not by the seller · gap to 1.000 is 0.157: 0.137 uncertain ? + 0.020 short ? · 0.057 to A

How the composite of 0.843 is made up, part by part
Component	Weight	Measured	Lower bound ?		Adds	Short ?	Uncertain ?
correctnesscosts the most the answer was right	0.41	0.99	0.826		0.340	−0.005	−0.067
honesty it charged what it advertised	0.29	0.99	0.829		0.244	−0.003	−0.047
liveness it answered at all	0.18	1.00	0.869		0.153	0	−0.023
latency p95 it answered as fast as its class	0.06	0.80	0.790		0.046	−0.012	0
price stability the price stayed where it was listed	0.06	1.00	1.000		0.059	0	0
Composite	1.00		0.843	gap to 1.000 = 0.157 · 0.020 short · 0.137 uncertain	0.843	−0.020	−0.137

Not measured: schema conformance · no answer had a published shape to check

The multiplication, written out

  0.412 × 0.826   correctness    
+ 0.294 × 0.829   honesty        
+ 0.176 × 0.869   liveness       
+ 0.059 × 0.790   latency p95    
+ 0.059 × 1.000   price stability
= 0.843           ≥ 0.80 → B      weights 2026.09.6 · 47 samples · seed cap_01M1A51PB8WXC2Q6FMNC4RMEMK|2026-07-06T11:54:07.177Z|2026.09.6

Verify it yourselfnpx teppi-check https://base-gas-x402-production.up.railway.app/gas?gasLimit=21000curl -s https://api.teppi.xyz/v1/trust/cap_01M1A51PB8WXC2Q6FMNC4RMEMK