# Services from x402.aubr.ai on Zero

> x402.aubr.ai serves 6 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/x402.aubr.ai
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/x402.aubr.ai/health.json

## Services

- [AUBRAI Literature Search — Aging & Longevity Science](https://www.zero.xyz/c/aubrai-literature-search-aging-longevity-science-59ecc6d5/llms.txt): $0.03/call via x402. Searches scientific literature (e.g. PubMed) to answer research questions about aging, longevity, and biomedical science, returning AI-synthesized answers with citations
- [AUBRAI Longevity Science Chat Agent](https://www.zero.xyz/c/aubrai-longevity-science-chat-agent-a386bd78/llms.txt): $0.02/call via x402. Answers questions about aging, longevity, and biomedical research with evidence-based insights and citations from scientific literature
- [AUBRAI Deep Research Start](https://www.zero.xyz/c/aubrai-deep-research-start-d42c3e91/llms.txt): $0.2/call via x402. Initiates an AI-powered deep research session on aging, longevity, and biomedical topics, returning a conversation ID for async result retrieval
- [AUBRAI Longevity Science Agent (Encrypted Chat)](https://www.zero.xyz/c/aubrai-longevity-science-agent-encrypted-chat-721d6324/llms.txt): $0.02/call via x402. Submits an encrypted question about aging, longevity, or biomedical research to an AI science agent inspired by Dr. Aubrey de Grey, returning a poll URL for the queued response
- [AUBRAI Encrypted Literature Query (x402)](https://www.zero.xyz/c/aubrai-encrypted-literature-query-x402-c7a9726f/llms.txt): $0.03/call via x402. Accepts an HPKE-encrypted longevity/aging science query and returns a poll URL for async results from an AI science agent backed by biomedical literature
- [AUBRAI Longevity & Aging Science Analysis](https://www.zero.xyz/c/aubrai-longevity-aging-science-analysis-2c2b0ce3/llms.txt): $0.05/call via x402. Answers questions about aging, longevity, and biomedical research with evidence-based insights and scientific paper citations, acting as an AI agent inspired by Dr. Aubrey de Grey

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)