# Services from api.apex-db.org on Zero

> api.apex-db.org 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.apex-db.org
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/api.apex-db.org/health.json

## Services

- [Apex DB Coverage Contract](https://www.zero.xyz/c/apex-db-coverage-contract-cfd38516/llms.txt): $0.25/call via MPP. Returns the dated Apex DB coverage contract describing database release size, source dataset counts, and measured field fill rates for the automotive data catalog.
- [APEX Vehicle Database Search](https://www.zero.xyz/c/apex-vehicle-database-search-4abc14ac/llms.txt): $0.1/call via x402. Search and filter normalized vehicle variants by brand, model, year, powertrain type, market, or free text query.

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)