# Services from x402ninja.vercel.app on Zero

> x402ninja.vercel.app serves 4 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/x402ninja.vercel.app
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/x402ninja.vercel.app/health.json

## Services

- [OnChaiNinja MEV Detection](https://www.zero.xyz/c/onchaininja-mev-detection-b60cdcd8/llms.txt): $3/call via x402. Detects MEV (Maximal Extractable Value) activity and protection status for a specific transaction on a given blockchain chain
- [OnChaiNinja Rug Scanner](https://www.zero.xyz/c/onchaininja-rug-scanner-a8d726ba/llms.txt): $1.5/call via x402. Scans a token or contract address on a specified blockchain chain and returns a rug pull risk score and safety verdict
- [OnChaiNinja Whale Tracker — Multi-Chain](https://www.zero.xyz/c/onchaininja-whale-tracker-multi-chain-69a7f823/llms.txt): $2/call via x402. Returns whale wallet movement data and large on-chain transfers for a specified blockchain (Base, Solana, Arbitrum, etc.)
- [OnChaiNinja Multi-Chain Alpha Signals](https://www.zero.xyz/c/onchaininja-multi-chain-alpha-signals-67c86e69/llms.txt): $1/call via x402. Returns on-chain alpha signals, whale tracking data, rug scan results, and MEV protection insights for a specified blockchain network

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)