# Services from nine.x420.dev on Zero

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

## Services

- [Nine Token Purchase (1 USDC) - x420.dev](https://www.zero.xyz/c/nine-token-purchase-1-usdc-x420-dev-7abfcdf5/llms.txt): $1/call via x402. Purchases 1 USDC worth of nine tokens (0x3a105f1247B27DED116B5d8dFe3D8e24151c1B07) on behalf of the caller via an x402 payment-gated API call
- [nine to five (nine) - Buy $5 USDC of Nine Tokens](https://www.zero.xyz/c/nine-to-five-nine-buy-5-usdc-of-nine-tokens-62a83a09/llms.txt): $5/call via x402. Purchases $5 USDC worth of nine tokens (0x3a105f1247B27DED116B5d8dFe3D8e24151c1B07) on behalf of the caller via a paid API call
- [nine.x420.dev Puff Custom Token Purchase](https://www.zero.xyz/c/nine-x420-dev-206a4578/llms.txt): $5/call via x402. Buy a custom USDC amount worth of Nine tokens (0x3a105f1247B27DED116B5d8dFe3D8e24151c1B07) on the Base network via x402 payment

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)