# Services from api.checkpoint402.com on Zero

> api.checkpoint402.com serves 5 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.checkpoint402.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/api.checkpoint402.com/health.json

## Services

- [Checkpoint402 SEC Company Events Feed](https://www.zero.xyz/c/checkpoint402-sec-company-events-feed-c05f2792/llms.txt): $0.1/call via x402. Fetches recent SEC 8-K filings (company events) for a specific stock ticker or the broader market, with optional filtering by item code or high-impact flag
- [Checkpoint402 DeFi Yields](https://www.zero.xyz/c/checkpoint402-defi-yields-92a55c98/llms.txt): $0.05/call via x402. Returns current DeFi yield opportunities filtered by asset, chain, risk tier, TVL, and stablecoin preference
- [Checkpoint402 Sanctions Screener](https://www.zero.xyz/c/checkpoint402-sanctions-screener-a9134aa9/llms.txt): $0.05/call via x402. Screens a person, company name, or crypto wallet address against global sanctions lists and returns risk information
- [Checkpoint402 New Token Safety Check](https://www.zero.xyz/c/checkpoint402-new-token-safety-check-d2955607/llms.txt): $0.1/call via x402. Returns a list of recently launched crypto tokens on Base, Ethereum, or BSC with safety scores and risk signals to help identify scams and rug pulls.
- [Checkpoint402 Transaction Explainer](https://www.zero.xyz/c/checkpoint402-transaction-explainer-4ec74634/llms.txt): $0.03/call via x402. Fetches a human-readable explanation of a blockchain transaction given its hash on Ethereum or Base

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)