# Services from api.grip.fyi on Zero

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

## Services

- [ARBITER Semantic Ranking](https://www.zero.xyz/c/arbiter-semantic-ranking-ae946b98/llms.txt): $0.01/call via x402. Ranks a fixed list of candidate strings against a query representing current state, intent, or perspective using deterministic semantic scoring.
- [ARBITER Embedding API](https://www.zero.xyz/c/arbiter-embedding-api-bc236013/llms.txt): $0.01/call via x402. Generates deterministic vector embeddings for input text strings, suitable for memory storage, semantic indexing, retrieval, and clustering tasks.

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)