Endpoint · market dataGETapi.dripmetrics.ai /metrics/roll-spread ?exchange=coinbase&pair=BTC-USD&window=30m
DripMetricsAI (api description at https://dripmetrics.ai/) provides on-demand market microstructure and risk metrics for agents and developers.
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DripMetricsAI (api description at https://dripmetrics.ai/) provides on-demand market microstructure and risk metrics for agents and developers. Agents can pay per request via x402 and receive structured JSON metrics without subscriptions or API keys. Roll Spread estimates an absolute covariance spread proxy derived from lagged price changes. Discovery examples use the latest 30m window.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.dripmetrics.ai/metrics/roll-spread?exchange=coinbase&pair=BTC-USD&window=30m
Seen
first 34 days ago · last 11 hr ago
64 free handshakes
Payment
Pays through
x402
Offered on?
Base USDC
Listed on?
Base
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.722 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held down by latency p95 · gap to 1.000 is 0.278: 0.070 uncertain ? + 0.209 short ? · 0.078 to B
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| latency p95costs the most it answered as fast as its class |
0.20 | 0.00 | 0.000 | 0.000 | −0.200 | 0 | |
| liveness it answered at all |
0.60 | 0.99 | 0.869 | 0.522 | −0.009 | −0.070 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.722 | gap to 1.000 = 0.278 · 0.209 short · 0.070 uncertain | 0.722 | −0.209 | −0.070 |
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 × 0.869 liveness
+ 0.200 × 1.000 price stability
= 0.722 → UNRATED: 58 of 30 paid calls weights 2026.09.6 · 58 samples · seed cap_01M1A5AAWV4V79RD3QQP679H4E|2026-09-03T09:39:23.693Z|2026.09.6
Verify it yourself
npx teppi-check https://api.dripmetrics.ai/metrics/roll-spread?exchange=coinbase&pair=BTC-USD&window=30mcurl -s https://api.teppi.xyz/v1/trust/cap_01M1A5AAWV4V79RD3QQP679H4E