# Services from aubrai-x402.vercel.app on Zero

> aubrai-x402.vercel.app serves 3 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/aubrai-x402.vercel.app
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/aubrai-x402.vercel.app/health.json

## Services

- [AubrAI Literature Search – Longevity & Aging Research](https://www.zero.xyz/c/aubrai-literature-search-longevity-aging-research-5001e71d/llms.txt): $0.03/call via x402. Searches and synthesizes peer-reviewed scientific literature on longevity and aging, returning a cited answer with references from PubMed, arXiv, and other sources
- [Aubrai Encrypted Chat (HPKE/TEE)](https://www.zero.xyz/c/aubrai-encrypted-chat-hpke-tee-7d355f5d/llms.txt): $0.02/call via x402. Sends an HPKE-encrypted prompt to the Aubrai chat agent running inside a Trusted Execution Environment (TEE), ensuring only the secure enclave can decrypt and process the message.
- [Aubrai Longevity Chat (x402)](https://www.zero.xyz/c/aubrai-longevity-chat-x402-18214a81/llms.txt): $0.02/call via x402. Accepts a longevity or aging science question and returns a request ID for polling the AI-generated answer from Aubrai, VitaDAO's decentralized co-scientist.

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)