# Services from api.zeno.finance on Zero

> api.zeno.finance 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.zeno.finance
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/api.zeno.finance/health.json

## Services

- [Zeno Finance Chat Completions API](https://www.zero.xyz/c/zeno-finance-chat-completions-api-5c8770be/llms.txt): $0.016025/call via x402. OpenAI-compatible chat completions endpoint with wallet-paid (x402) access, supporting models like GPT-5.5 and settling costs per token used up to $6 per request.
- [Zeno Finance Responses API (x402)](https://www.zero.xyz/c/zeno-finance-responses-api-x402-ee54d903/llms.txt): $0.016025/call via x402. OpenAI-compatible Responses API endpoint that accepts a prompt and returns generated text with token usage and cost, settled via x402 micropayment on Base.

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)