# Services from regimeshift.xyz on Zero

> regimeshift.xyz serves 4 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/regimeshift.xyz
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/regimeshift.xyz/health.json

## Services

- [BTC Volatility Risk Premium (VRP) — regimeshift.xyz](https://www.zero.xyz/c/regimeshift-xyz-0d482cd7/llms.txt): $0.001/call via x402. Returns the BTC volatility risk premium (DVOL minus 72h Parkinson realized vol), regime classification (LOW/MID/HIGH), and raw audit inputs for assessing sell-vol or buy-vol opportunities.
- [regimeshift.xyz ETH Volatility Risk Premium (VRP)](https://www.zero.xyz/c/regimeshift-xyz-17ad6d9b/llms.txt): $0.001/call via x402. Returns the ETH volatility risk premium (DVOL minus 72h Parkinson realized vol) with regime classification and raw inputs for auditing sell-vol vs buy-vol opportunities.
- [RegimeShift Max-LTV Calculator](https://www.zero.xyz/c/regimeshift-xyz-89e575bf/llms.txt): $0.001/call via x402. Computes the maximum safe loan-to-value ratio for collateralized agent loans using volatility-regime-aware math, returning the binding constraint (mathematical vs regime cap) and supporting parameters.
- [Agent-SOFR USD Short-Rate Benchmark](https://www.zero.xyz/c/regimeshift-xyz-78aa1b59/llms.txt): $0.001/call via x402. Returns a decentralized, AI-agent-native USD short-rate benchmark (SOFR analog) computed as a weighted median of 7 sources with regime classification and decomposition

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

- [Zero catalog index](https://www.zero.xyz/llms.txt)