# Services from prb.x420.dev on Zero

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

## Services

- [PRB Token Custom Purchase (prb.x420.dev)](https://www.zero.xyz/c/prb-x420-dev-cb0319f2/llms.txt): $5/call via x402. Purchases a custom USDC amount of PRB tokens (0xb02ec227Ba060Ee60E205c8a626F2330DD4a5B07) on-chain and returns transaction details
- [PRB Token Purchase (1 USDC Fixed)](https://www.zero.xyz/c/prb-x420-dev-76e61c28/llms.txt): $1/call via x402. Purchases exactly $1 USDC worth of PRB tokens (0xb02ec227Ba060Ee60E205c8a626F2330DD4a5B07) on behalf of the caller
- [prettybitch (PRB) Token Buy - $5 Fixed](https://www.zero.xyz/c/prettybitch-prb-token-buy-5-fixed-d31f5e6f/llms.txt): $5/call via x402. Purchases exactly $5 USDC worth of PRB (prettybitch) tokens on behalf of the caller via an automated swap

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)