# Services from base.x420.dev on Zero

> base.x420.dev 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/base.x420.dev
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/base.x420.dev/health.json

## Services

- [Base Token Purchase - 1 USDC (x420.dev)](https://www.zero.xyz/c/base-token-purchase-1-usdc-x420-dev-3f8db66d/llms.txt): $1/call via x402. Spends 1 USDC to buy Base tokens (0x5458109C0d5236a05630c0e99e69500B111DaB07) on the Base network via a paid API call
- [Base Token Purchase - $5 USDC (x420.dev)](https://www.zero.xyz/c/base-token-purchase-5-usdc-x420-dev-4b07cfad/llms.txt): $5/call via x402. Executes a $5 USDC token swap to purchase Base tokens at contract address 0x5458109C0d5236a05630c0e99e69500B111DaB07 on the Base network

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)