ByKaranteli VPIN Flow Toxicity

What it does

Order flow toxicity (VPIN) history for BTC, ETH and SOL: 90-day daily VPIN track with closes plus the last 500 volume buckets.

Audience: ai-agents, developers. Tags: story, bykaranteli, vpin, flow.

Pricing

How agents pay

1. The agent sends a plain request and receives an HTTP 402 response describing the price and payment requirements.
2. The agent signs a payment payload for the exact amount on base and attaches it to a retried request.
3. The facilitator verifies and settles the payment, then the service returns the paid response.

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Facet hubs for this service

• Chain: Base services
• Facilitator: Coinbase Cdp profile
• Price band: Micro ($0.01 or less per request)

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