Quant models for AI agents. Pay per call. x402 protocol.
Discover models at /.well-known/x402.json
GET https://api.vongstaad.com/.well-known/x402.json
Your agent receives a 402 challenge, pays USDC on Base, and gets real quant data.
GET /v1/correlation — $0.01 — BTC/ETH PearsonGET /v1/regime — $0.02 — Market regime detectionGET /v1/momentum — $0.02 — Directional momentumGET /v1/volatility — $0.05 — Realized volatilityGET /v1/mean-reversion — $0.03 — Z-score signalsBuilt on x402 — the payment protocol for the agentic web.
No API keys. No signup. No subscription. Just pay and receive data.
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