# Services from x402-api.aubr.ai on Zero

> x402-api.aubr.ai serves 7 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-api.aubr.ai
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/x402-api.aubr.ai/health.json

## Services

- [Aubrai Longevity Chat (x402-api.aubr.ai)](https://www.zero.xyz/c/x402-api-aubr-ai-fc734191/llms.txt): $0.02/call via x402. Send a longevity, aging, or lifespan science question to Aubrai and receive a request ID to poll for the AI-generated answer, with an option for a fast conversational reply or a deep research response with citations.
- [Aubrai Scientific Literature Search & Synthesis](https://www.zero.xyz/c/x402-api-aubr-ai-1819ed68/llms.txt): $0.03/call via x402. Searches PubMed and other scientific sources for longevity/aging research, then synthesizes a cited answer to a submitted research question
- [Aubrai Deep Research Job Starter](https://www.zero.xyz/c/x402-api-aubr-ai-94ea4493/llms.txt): $0.2/call via x402. Initiates a multi-agent deep research job on longevity or aging topics, returning a conversation ID to poll for the full synthesized report.
- [Aubrai Encrypted Chat Agent (TEE)](https://www.zero.xyz/c/x402-api-aubr-ai-5f1d8352/llms.txt): $0.02/call via x402. Sends an HPKE-encrypted prompt to the Aubrai chat agent running inside a Tinfoil Trusted Execution Environment, ensuring only the secure enclave can decrypt and process the message.
- [Aubrai Biological & Scientific Data Analysis](https://www.zero.xyz/c/x402-api-aubr-ai-1f2b925f/llms.txt): $0.05/call via x402. Runs an AI analysis task on biological or scientific data, returning structured findings, a direct answer, and a reasoning chain
- [Aubrai Encrypted Literature Search (TEE)](https://www.zero.xyz/c/x402-api-aubr-ai-2467ca38/llms.txt): $0.03/call via x402. Sends an HPKE-encrypted literature query to the Aubrai longevity research agent running inside a Tinfoil TEE and returns a poll URL for the encrypted result.
- [Aubrai Private Chat (TEE-Encrypted)](https://www.zero.xyz/c/x402-api-aubr-ai-261eedcf/llms.txt): $0.02/call via x402. Send an HPKE-encrypted prompt to the Aubrai chat agent running inside a Tinfoil Trusted Execution Environment (TEE), ensuring only the enclave can decrypt and process the message.

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)