# Services from api.sys84.org on Zero

> api.sys84.org 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/api.sys84.org
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/api.sys84.org/health.json

## Services

- [SYS84 Wallet Risk Snapshot](https://www.zero.xyz/c/sys84-wallet-risk-snapshot-e292a52c/llms.txt): $0.01/call via x402. Scores an EVM wallet address for on-chain risk, returning a risk score, risk level, verdict, and supporting signals for agent-driven access control decisions.
- [SYS84 Robinhood Chain Token Traction Audit](https://www.zero.xyz/c/sys84-robinhood-chain-token-traction-audit-c0ce747b/llms.txt): $0.05/call via x402. Analyzes a token contract address on Robinhood Chain and returns a risk grade, trend state, survivor evidence, and blacklist/flag signals for agent-driven trading risk assessment.
- [SYS84 Ink Agent Checkout — x402 Payment Session Initiator](https://www.zero.xyz/c/sys84-ink-agent-checkout-x402-payment-session-initiator-4af2ab7a/llms.txt): $0.002/call via x402. Creates an x402-compliant payment checkout session for pay-per-call API access, returning settlement and verification URLs along with encoded payment requirements.

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)