Endpoint · market dataPOSTapi.hergertsynthora.com /v1/funding-rates
Real-time perpetual funding rates + mark price for any Binance futures symbol.
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Real-time perpetual funding rates + mark price for any Binance futures symbol. Essential for delta-neutral and basis-trading agents. Free source, deterministic, instant JSON. $0.01 USDC via x402 on Base. SYNTHORA. First 3 calls FREE per wallet — send header X-WALLET: 0x<addr>. No charge on upstream failure.Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.05 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://api.hergertsynthora.com/v1/funding-rates
Seen
first 35 days ago · last 23 days ago
35 free handshakes
Payment
Pays through
x402
Offered on?
Base USDC
Listed on?
Base
Score, from free handshakes onlyweights 2026.09.2
UN
RATED
RATED
0.799 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 0.201: 0.124 uncertain ? + 0.077 short ? · 0.001 to B
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| livenesscosts the most it answered at all |
0.60 | 1.00 | 0.819 | 0.492 | 0 | −0.108 | |
| latency p95 it answered as fast as its class |
0.20 | 0.61 | 0.538 | 0.108 | −0.077 | −0.015 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.799 | gap to 1.000 = 0.201 · 0.077 short · 0.124 uncertain | 0.799 | −0.077 | −0.124 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.600 × 0.819 liveness
+ 0.200 × 0.538 latency p95
+ 0.200 × 1.000 price stability
= 0.799 → UNRATED: 34 of 30 paid calls weights 2026.09.2 · 34 samples · seed cap_01M1A5AAP84PQW72SJXM69H03H|2026-08-18T18:50:56.086Z|2026.09.2
Verify it yourself
npx teppi-check https://api.hergertsynthora.com/v1/funding-ratescurl -s https://api.teppi.xyz/v1/trust/cap_01M1A5AAP84PQW72SJXM69H03H