# Services from x402-wallet-profile-api-production.up.railway.app on Zero

> x402-wallet-profile-api-production.up.railway.app 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/x402-wallet-profile-api-production.up.railway.app
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/x402-wallet-profile-api-production.up.railway.app/health.json

## Services

- [Base Wallet Activity & Due-Diligence API](https://www.zero.xyz/c/base-wallet-activity-due-diligence-api-b89898d0/llms.txt): $0.01/call via x402. Returns on-chain activity metrics, risk flags, and a heuristic verdict for any Base network wallet address
- [Base Wallet Activity & Due-Diligence API](https://www.zero.xyz/c/base-wallet-activity-due-diligence-api-368a630b/llms.txt): $0.005/call via x402. Returns transaction counts, token transfer counts, activity dates, native ETH balance, and heuristic risk flags for any Base blockchain wallet address.
- [Base Wallet Activity & Due-Diligence API (x402)](https://www.zero.xyz/c/base-wallet-activity-due-diligence-api-x402-89aefe5a/llms.txt): $0.01/call via x402. Analyzes a Base blockchain wallet address and returns on-chain activity metrics, risk flags, and a heuristic activity score for due diligence and risk triage.

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)