vpin?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.

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. VPIN measures volume-synchronized order-flow imbalance (an adverse-selection proxy, not a probability); see excessVpin. Discovery examples use the latest 30m window.

UNRATEDListed

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?

0xc9b70d8d…306d3e6a

URL

https://api.dripmetrics.ai/metrics/vpin?exchange=coinbase&pair=BTC-USD&window=30m

Seen

first 34 days ago · last 11 hr ago

78 free handshakes

Payment

Pays through

x402

Offered on?

Base USDC

Listed on?

Base

Score, from free handshakes onlyweights 2026.09.6

UN
RATED

0.747 liveness verified, no letter

To a letter · 30 paid calls

0 of 30

Held down by latency p95 · gap to 1.000 is 0.253: 0.053 uncertain ? + 0.200 short ? · 0.053 to B

How the composite of 0.747 is made up, part by part
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	1.00	0.911		0.547	0	−0.053
price stability the price stayed where it was listed	0.20	1.00	1.000		0.200	0	0
Composite	1.00		0.747	gap to 1.000 = 0.253 · 0.200 short · 0.053 uncertain	0.747	−0.200	−0.053

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 × 0.911   liveness       
+ 0.200 × 1.000   price stability
= 0.747           → UNRATED: 69 of 30 paid calls      weights 2026.09.6 · 69 samples · seed cap_01M1A51Q8XKANC1H921VJTJKCJ|2026-09-03T14:54:35.249Z|2026.09.6

Verify it yourselfnpx teppi-check https://api.dripmetrics.ai/metrics/vpin?exchange=coinbase&pair=BTC-USD&window=30mcurl -s https://api.teppi.xyz/v1/trust/cap_01M1A51Q8XKANC1H921VJTJKCJ