# Services from api.auctiontrace.com on Zero

> api.auctiontrace.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/api.auctiontrace.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/api.auctiontrace.com/health.json

## Services

- [AuctionTrace ES Book Pressure Dataset](https://www.zero.xyz/c/auctiontrace-es-book-pressure-dataset-fa94c3c3/llms.txt): $5/call via x402. Returns a paid-access download link to 751,598 validated E-mini S&P 500 (ES) order book pressure observations with post-entry analysis applications and matched historical comparison code.
- [AuctionTrace ES Book Pressure Dataset (2025-07-29 to 2026-06-30 v1)](https://www.zero.xyz/c/auctiontrace-es-book-pressure-dataset-2025-07-29-to-2026-06-30-v1-3e95eb03/llms.txt): $5/call via x402. Returns a paid-access download link to a dataset of 751,598 validated E-mini S&P 500 (ES) order book pressure observations with matched historical evidence and companion analysis code.

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)