{
  "id": "api:x402-bfa48ce447c91cf2",
  "kind": "api",
  "name": "api.dripmetrics.ai/metrics/vpin",
  "description": "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.",
  "category": "x402",
  "url": "https://api.dripmetrics.ai/metrics/vpin",
  "price": null,
  "x402": true,
  "meta": {
    "network": "eip155:8453",
    "scheme": "exact",
    "pay_to": "0xc9b70D8d342609437bc87Ec3C877911a306d3e6A",
    "method": "GET",
    "last_updated": "2026-11-11T03:02:03.312Z"
  },
  "trust": null
}