Endpoint · inferenceGETapi.xynaptic.io /v1/crypto-fear-greed
Xynaptic Crypto Fear & Greed — the market sentiment thermometer (alternative.me index, 0-100): current value, yesterday, last week, classification (extreme fear..extreme greed) +…
Read more
Xynaptic Crypto Fear & Greed — the market sentiment thermometer (alternative.me index, 0-100): current value, yesterday, last week, classification (extreme fear..extreme greed) + interpretation hint for agents. GET no params.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?
URL
https://api.xynaptic.io/v1/crypto-fear-greed
Seen
first 5 days ago · last 14 hr ago
8 free handshakes
Payment
Pays through
x402
Offered on?
Polygon, Base USDC, Solana mainnet
Listed on?
Polygon, Base
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.540 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 0.460: 0.460 uncertain ? + 0.000 short ? · 0.110 to C
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| livenesscosts the most it answered at all |
0.60 | 1.00 | 0.233 | 0.140 | 0 | −0.460 | |
| latency p95 it answered as fast as its class |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.540 | gap to 1.000 = 0.460 · 0.000 short · 0.460 uncertain | 0.540 | −0.000 | −0.460 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.600 × 0.233 liveness
+ 0.200 × 1.000 latency p95
+ 0.200 × 1.000 price stability
= 0.540 → UNRATED: 8 of 30 paid calls weights 2026.09.6 · 8 samples · seed cap_01M3NV44YG19GTZDA82DNZ0MZX|2026-09-04T04:02:05.341Z|2026.09.6
Verify it yourself
npx teppi-check https://api.xynaptic.io/v1/crypto-fear-greedcurl -s https://api.teppi.xyz/v1/trust/cap_01M3NV44YG19GTZDA82DNZ0MZX