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api.dripmetrics.ai metrics roll-spread
https://api.dripmetrics.ai/metrics/roll-spread
payable
DripMetricsAI (api description at https://dripmetrics.ai/) provides on-demand crypto 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.
We sent a real
GET request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.05
- Network
- base
- Pay to
- 0xc9b70D8d342609437bc87Ec3C877911a306d3e6A
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- GET
- Response latency
- 1054 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-08-10T09:11:56.987Z (1d ago)
- Category
- finance-crypto
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.dripmetrics.ai%2Fmetrics%2Froll-spread"