# Services from api.x402vector.com on Zero

> api.x402vector.com serves 3 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.x402vector.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/api.x402vector.com/health.json

## Services

- [x402-vector Memory Retrieval](https://www.zero.xyz/c/x402-vector-memory-retrieval-fcd32b96/llms.txt): $0.001/call via x402. Retrieves a stored memory value by key from a pay-per-request vector/key-value store designed for AI agents, with no account or API key required.
- [x402-vector Search](https://www.zero.xyz/c/x402-vector-vector-store-search-c61d53d4/llms.txt): $0.01/call via x402. Performs semantic vector similarity search over a pay-per-request vector database, returning ranked results with scores and stored values
- [x402-vector Batch Memory Retrieval](https://www.zero.xyz/c/x402-vector-batch-memory-retrieval-c8ed91e4/llms.txt): $0.001/call via x402. Retrieves a batch of stored memory entries from a pay-per-request vector store using a wallet-based x402 micropayment, identified by key and namespace.

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)