# Services from x402-46-225-191-113.sslip.io on Zero

> x402-46-225-191-113.sslip.io 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/x402-46-225-191-113.sslip.io
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/x402-46-225-191-113.sslip.io/health.json

## Services

- [Base USDC Balance Lookup](https://www.zero.xyz/c/base-usdc-balance-lookup-47b665f3/llms.txt): $0.003/call via x402. Fetches the block-pinned USDC token balance for a given Ethereum-compatible address on Base (chain ID 8453)
- [Bounded Agent Utilities – Temporary UTF-8 File Handoff](https://www.zero.xyz/c/bounded-agent-utilities-temporary-utf-8-file-handoff-5a669922/llms.txt): $0.005/call via x402. Accepts a base64-encoded UTF-8 file (TXT, CSV, or JSON) and stores it temporarily, returning a time-limited download URL with a SHA-256 checksum and download count.
- [HTTPX Migration Evidence Lookup](https://www.zero.xyz/c/httpx-migration-evidence-lookup-393d473a/llms.txt): $0.01/call via x402. Returns static constructor-level evidence of API signature changes between HTTPX versions for specified Python symbols

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)