Endpoint · market dataGETopportunity-api-production.up.railway.app/api/gas

Live gas prices in gwei across Ethereum, Base, Arbitrum, Optimism, Polygon in one call (public RPCs).

UNRATEDDelisted

Overview

Grade?

UNRATED

0 of 30 paid calls toward a letter

Price

$0.005 per call

Paid calls

none yet

delivery unknown until someone pays

More info

Seller?

0x5be6c123…250bd3d9

URL

https://opportunity-api-production.up.railway.app/api/gas

Seen

first 34 days ago · last 18 days ago

45 free handshakes

Payment

Pays through

x402

Offered on?

Base USDC

Listed on?

Base

Score, from free handshakes onlyweights 2026.09.3

UN
RATED

0.498 liveness verified, no letter

To a letter · 30 paid calls

0 of 30

Held down by liveness · gap to 1.000 is 0.502: 0.048 uncertain ? + 0.453 short ? · 0.152 to C

How the composite of 0.498 is made up, part by part
Component	Weight	Measured	Lower bound ?		Adds	Short ?	Uncertain ?
livenesscosts the most it answered at all	0.60	0.58	0.497		0.298	−0.253	−0.048
latency p95 it answered as fast as its class	0.20	0.00	0.000		0.000	−0.200	0
price stability the price stayed where it was listed	0.20	1.00	1.000		0.200	0	0
Composite	1.00		0.498	gap to 1.000 = 0.502 · 0.453 short · 0.048 uncertain	0.498	−0.453	−0.048

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

The multiplication, written out

  0.600 × 0.497   liveness       
+ 0.200 × 0.000   latency p95    
+ 0.200 × 1.000   price stability
= 0.498           → UNRATED: 43 of 30 paid calls      weights 2026.09.3 · 43 samples · seed cap_01M1A5AFX1FQ0P6NA8642J0H9J|2026-08-23T04:35:09.286Z|2026.09.3

Verify it yourselfnpx teppi-check https://opportunity-api-production.up.railway.app/api/gascurl -s https://api.teppi.xyz/v1/trust/cap_01M1A5AFX1FQ0P6NA8642J0H9J