Endpoint · onchainPOSTbackpedal-discourse-easeful.ngrok-free.dev /tx-cost
Estimate gas and total cost (ETH and USD) for a transaction on Base.
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Estimate gas and total cost (ETH and USD) for a transaction on Base. Supply {to, value, data, from, speed, gasLimit}; returns estimated gas, max fee, and cost. Deterministic, no LLM.Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.01 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://backpedal-discourse-easeful.ngrok-free.dev/tx-cost
Seen
first 20 hr ago · last 20 hr ago
2 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
RATED
0.331 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 0.669: 0.600 uncertain ? + 0.069 short ? · 0.119 to D
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| livenesscosts the most it answered at all |
0.60 | 1.00 | 0.000 | 0.000 | 0 | −0.600 | |
| latency p95 it answered as fast as its class |
0.20 | 0.66 | 0.655 | 0.131 | −0.069 | 0 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.331 | gap to 1.000 = 0.669 · 0.069 short · 0.600 uncertain | 0.331 | −0.069 | −0.600 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.600 × 0.000 liveness
+ 0.200 × 0.655 latency p95
+ 0.200 × 1.000 price stability
= 0.331 → UNRATED: 2 of 30 paid calls weights 2026.09.6 · 2 samples · seed cap_01M42Q4AR11H84GX42GR8FSVD6|2026-09-05T01:34:03.470Z|2026.09.6
Verify it yourself
npx teppi-check https://backpedal-discourse-easeful.ngrok-free.dev/tx-costcurl -s https://api.teppi.xyz/v1/trust/cap_01M42Q4AR11H84GX42GR8FSVD6