# Services from bountycheck.vercel.app on Zero

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

## Services

- [BountyCheck Claimability API](https://www.zero.xyz/c/bountycheck-claimability-api-ad6948ce/llms.txt): $0.05/call via x402. Returns a list of open-source GitHub bounties that are actually claimable, with detailed signals and verdicts about legitimacy and payout likelihood.
- [BountyCheck – GitHub Bounty Claimability Checker](https://www.zero.xyz/c/bountycheck-github-bounty-claimability-checker-d092c8eb/llms.txt): $0.02/call via x402. Given a GitHub issue URL or shorthand reference, returns a structured verdict on whether the bounty is real money, claimable, and worth pursuing by a bounty-hunting agent.
- [BountyCheck - GitHub Bounty Claimability Preflight](https://www.zero.xyz/c/bountycheck-github-bounty-claimability-preflight-40d73a22/llms.txt): $0.01/call via x402. Checks whether a given GitHub bounty endpoint is actually claimable by verifying it is reachable, x402-compliant, and reporting its 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)
