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api.dripmetrics.ai/metrics/vpin

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.

• Price $0.05
• Method GET
• Protocol x402
• Last probe 402
• Verified 2026-09-02

Call it

# 1. Ask the endpoint what it costs (no payment, no wallet needed):
curl -i -X GET 'https://api.dripmetrics.ai/metrics/vpin'

# -> HTTP/1.1 402 Payment Required
#    the response carries the price, asset and pay-to address.

# 2. Pay and retry with any x402 client:
npx x402-fetch 'https://api.dripmetrics.ai/metrics/vpin'

Endpoint: https://api.dripmetrics.ai/metrics/vpin. Operated by api.dripmetrics.ai, not by Animica. Price and availability were correct at the last probe on 2026-09-02 and are set by the operator, who may change them.

Other endpoints on api.dripmetrics.ai

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