Endpoint · market dataPOSTagent402.tools /api/perp-basis
Basis for one perpetual: mark versus oracle premium in percent and basis points, impact premium, current funding and the predicted next funding per venue.
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Basis for one perpetual: mark versus oracle premium in percent and basis points, impact premium, current funding and the predicted next funding per venue. Use it when an agent is evaluating a cash-and-carry, comparing funding across venues or deciding whether a perp is trading rich or cheap to spot.Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.002 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
Seen
first 29 days ago · last 13 hr ago
68 free handshakes
Payment
Pays through
x402 · MPP evm, tempo
Offered on?
algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=, eip155:10, eip155:1329, Polygon, eip155:143, Arbitrum, eip155:42220, Avalanche, Robinhood Chain, Base USDC, Solana, stellar:pubnet, Tempo USDC.e
Listed on?
Polygon, Arbitrum, Avalanche, Base, Solana
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.742 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 0.258: 0.142 uncertain ? + 0.116 short ? · 0.058 to B
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| latency p95costs the most it answered as fast as its class |
0.20 | 0.42 | 0.000 | 0.000 | −0.116 | −0.084 | |
| liveness it answered at all |
0.60 | 1.00 | 0.904 | 0.542 | 0 | −0.058 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.742 | gap to 1.000 = 0.258 · 0.116 short · 0.142 uncertain | 0.742 | −0.116 | −0.142 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.200 × 0.000 latency p95
+ 0.600 × 0.904 liveness
+ 0.200 × 1.000 price stability
= 0.742 → UNRATED: 64 of 30 paid calls weights 2026.09.6 · 64 samples · seed cap_01M1RD9C0Z2YE9KVWTZ8Q7P5CY|2026-09-03T01:15:55.504Z|2026.09.6
Verify it yourself
npx teppi-check https://agent402.tools/api/perp-basiscurl -s https://api.teppi.xyz/v1/trust/cap_01M1RD9C0Z2YE9KVWTZ8Q7P5CY