# Services from test9999.x420.dev on Zero

> test9999.x420.dev 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/test9999.x420.dev
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/test9999.x420.dev/health.json

## Services

- [TEST9999 Token Purchase - $1 USDC (x420.dev)](https://www.zero.xyz/c/test9999-token-purchase-1-usdc-x420-dev-fc1fef59/llms.txt): $1/call via x402. Buys $1 USDC worth of TEST9999 tokens (contract 0x73e564323F7e05e7ca7781946A0707F4Cc296b07) on behalf of the caller via a paid x402 API call
- [TEST9999 Token Custom USDC Purchase](https://www.zero.xyz/c/test9999-token-custom-usdc-purchase-05167b44/llms.txt): $5/call via x402. Purchases a custom USDC-specified amount of TEST9999 tokens (0x73e564323F7e05e7ca7781946A0707F4Cc296b07) on behalf of the caller, defaulting to 5 USDC if no amount is specified
- [TEST9999 Token Purchase - $5 USDC (x420.dev)](https://www.zero.xyz/c/test9999-token-purchase-5-usdc-x420-dev-6cedfe6b/llms.txt): $5/call via x402. Purchases $5 USDC worth of TEST9999 tokens (0x73e564323F7e05e7ca7781946A0707F4Cc296b07) via an x402 payment-gated API call

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)