# Services from cairnworks-verify.run402.com on Zero

> cairnworks-verify.run402.com serves 6 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/cairnworks-verify.run402.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/cairnworks-verify.run402.com/health.json

## Services

- [Cairnworks Verify — Transaction Receipt Verifier](https://www.zero.xyz/c/cairnworks-verify-transaction-receipt-verifier-fa7ffa3b/llms.txt): $0.01/call via x402. Verifies a Base or BSC blockchain transaction receipt, returning status, block info, decoded ERC-20 transfers, and a SHA-256 evidence digest for agent payouts or claims.
- [Cairnworks Verify — HTTP Audit](https://www.zero.xyz/c/cairnworks-verify-http-audit-147158a3/llms.txt): $0.01/call via x402. Audits a URL's HTTP status, redirects, paywall flags, and response metadata, returning a signed JSON report with a sha256 evidence digest.
- [Cairnworks Verify — Control Audit](https://www.zero.xyz/c/cairnworks-verify-control-audit-c84de955/llms.txt): $0.02/call via x402. Audits on-chain contract control structures (Safe multisig ownership, proxy detection, code size) for one or more addresses at a specific block on Base or BSC
- [cairnworks verify — batch on-chain receipt verification](https://www.zero.xyz/c/cairnworks-verify-batch-on-chain-receipt-verification-29fa4fa0/llms.txt): $0.02/call via x402. Batch-verifies up to 10 Base or BSC transaction receipts in a single signed, sha256-evidenced JSON response, paid via x402 USDC on Base.
- [Cairnworks Verify — Token Holder & Treasury Share Audit](https://www.zero.xyz/c/cairnworks-verify-token-holder-treasury-share-audit-26ca73e1/llms.txt): $0.02/call via x402. Audits ERC-20 token holder balances and treasury shares at a specific block on Base or BSC, returning signed JSON with a SHA-256 evidence digest.
- [Cairnworks Verify — Brand Check](https://www.zero.xyz/c/cairnworks-verify-brand-check-00005036/llms.txt): $0.02/call via x402. Checks brand name availability and existing claims across domains, social handles, app stores, and trademark registries, returning signed JSON evidence with SHA256 digest.

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)