# Services from verity.basechainlabs.com on Zero

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

## Services

- [Verity Fact-Checker by BaseChainLabs](https://www.zero.xyz/c/verity-basechainlabs-com-2766bea7/llms.txt): $0.1/call via x402. Verifies claims, URLs, or content and returns a verdict (CURRENT/OUTDATED/DISPUTED/UNVERIFIABLE) with confidence score and sources, with persistent memory to skip repeat lookups across sessions.
- [VERITY Conversational Fact-Checker](https://www.zero.xyz/c/verity-basechainlabs-com-19b5de05/llms.txt): $0.1/call via x402. Checks a claim's factual status and returns a verdict (CURRENT/OUTDATED/DISPUTED/UNVERIFIABLE) with confidence score and sources, with persistent memory to skip re-checking previously verified claims across sessions.

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)