# Services from search.combify.app on Zero

> search.combify.app 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/search.combify.app
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/search.combify.app/health.json

## Services

- [Search Aggregator (Deep Tier) — Tavily + Exa + Firecrawl](https://www.zero.xyz/c/search-aggregator-deep-tier-tavily-exa-firecrawl-e9bf801e/llms.txt): $0.05/call via x402. Performs a deep web search by merging results from Tavily, Exa, and Firecrawl with full page content and a synthesized answer for $0.05 USDC per call.
- [Search Aggregator Fast Tier (Serper)](https://www.zero.xyz/c/search-aggregator-fast-tier-serper-a2e7dabb/llms.txt): $0.01/call via x402. Performs fast web searches via Serper, returning titles, links, and snippets for up to 20 results at $0.01 USDC per query.

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)
