# Services from rollak.x420.dev on Zero

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

## Services

- [ROLLAK Token Purchase - 1 USDC (x420.dev)](https://www.zero.xyz/c/rollak-token-purchase-1-usdc-x420-dev-dd0553ae/llms.txt): $1/call via x402. Purchases exactly 1 USDC worth of ROLLAK tokens (contract 0x287f28Ea9740D09cdff1ddd1faC4209fc40BdB07) and returns transaction details
- [ROLLAK Token Purchase - 5 USDC (x420.dev)](https://www.zero.xyz/c/rollak-token-purchase-5-usdc-x420-dev-84aed3ab/llms.txt): $5/call via x402. Purchases exactly 5 USDC worth of ROLLAK tokens (0x287f28Ea9740D09cdff1ddd1faC4209fc40BdB07) and delivers them to the caller
- [ROLLAK Token Purchase (Custom USDC Amount)](https://www.zero.xyz/c/rollak-x420-dev-60ad717c/llms.txt): $5/call via x402. Purchases a custom USDC-denominated amount of ROLLAK tokens (0x287f28Ea9740D09cdff1ddd1faC4209fc40BdB07) on behalf of the caller

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)