Endpoint · market dataGETmarketdata.use.x402atlas.com /futures-contracts ?limit=10&product_code=ES
Futures contract discovery and specifications — tickers, trade dates, maturity, settlement and tick sizes by product code.
Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.015 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://marketdata.use.x402atlas.com/futures-contracts?limit=10&product_code=ES
Seen
first 34 days ago · last 14 hr ago
65 free handshakes
Payment
Pays through
x402
Offered on?
Polygon, Arbitrum, Base USDC, Solana
Listed on?
Polygon, Arbitrum, Base, Solana
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.895 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 0.105: 0.066 uncertain ? + 0.039 short ? · 0.005 to A
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| livenesscosts the most it answered at all |
0.60 | 1.00 | 0.892 | 0.535 | 0 | −0.065 | |
| latency p95 it answered as fast as its class |
0.20 | 0.81 | 0.801 | 0.160 | −0.039 | −0.001 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.895 | gap to 1.000 = 0.105 · 0.039 short · 0.066 uncertain | 0.895 | −0.039 | −0.066 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.600 × 0.892 liveness
+ 0.200 × 0.801 latency p95
+ 0.200 × 1.000 price stability
= 0.895 → UNRATED: 57 of 30 paid calls weights 2026.09.6 · 57 samples · seed cap_01M1A51WM61YJ36TG2SDVW2V0K|2026-09-03T15:26:20.183Z|2026.09.6
Verify it yourself
npx teppi-check https://marketdata.use.x402atlas.com/futures-contracts?limit=10&product_code=EScurl -s https://api.teppi.xyz/v1/trust/cap_01M1A51WM61YJ36TG2SDVW2V0K