# Services from calibration-court.onrender.com on Zero

> calibration-court.onrender.com serves 2 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/calibration-court.onrender.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/calibration-court.onrender.com/health.json

## Services

- [Calibration Court – Fit & Recalibrate Labels](https://www.zero.xyz/c/calibration-court-fit-recalibrate-labels-041ff1e9/llms.txt): $0.05/call via x402. Fits an isotonic calibration model on user-supplied labelled {probability, outcome} pairs and applies it to recalibrate a set of new probabilities.
- [Calibration Court Recalibrate](https://www.zero.xyz/c/calibration-court-recalibrate-fbf2d0f5/llms.txt): $0.01/call via x402. Maps a model's raw output probability to an empirically calibrated probability using resolved outcomes stored on the ledger

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)