# Services from test.x420.dev on Zero

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

## Services

- [TEST TOKEN (TEST) x420.dev - Buy 5 USDC](https://www.zero.xyz/c/test-token-test-x420-dev-buy-5-usdc-dd67dd6c/llms.txt): $5/call via x402. Purchases 5 USDC worth of TEST tokens (0xb2410D63B28E842f94D6F29057ca66bCd7c96b07) on behalf of the caller via x402 payment protocol
- [TEST TOKEN (TEST) - x420.dev — Buy 1 USDC](https://www.zero.xyz/c/test-token-test-x420-dev-buy-1-usdc-f88aab86/llms.txt): $1/call via x402. Purchases 1 USDC worth of TEST ERC-20 tokens (0xb2410D63B28E842f94D6F29057ca66bCd7c96b07) and returns transaction details

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)