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
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$0.05 per call
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URL
https://api.dripmetrics.ai/metrics/roll-spread?exchange=coinbase&pair=BTC-USD&window=30m
Seen
first 34 days ago · last 13 hr ago
64 free handshakes
Payment
Pays through
x402
Offered on?
Base USDC
Listed on?
Base
Handshakescomputed 1 day ago
0.722 from 58 free handshakes over 30 days · UNRATED ?
| 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
BURN_INFREE_TIER_ONLY
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