# Services from 402oracle.com on Zero

> 402oracle.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/402oracle.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/402oracle.com/health.json

## Services

- [402oracle.com Business Domain Verification](https://www.zero.xyz/c/402oracle-com-business-domain-verification-ab2da651/llms.txt): $0.05/call via x402. Verifies a business or domain is real and established by checking RDAP registration age, DNS records, email posture, and HTTPS reachability, returning a signed attestation with a 0-100 trust score.
- [402oracle.com Batch Business Domain Verification](https://www.zero.xyz/c/402oracle-com-batch-business-domain-verification-75b6f88c/llms.txt): $0.15/call via x402. Verifies up to 5 business domains in a single signed attestation, running RDAP, DNS, SPF/DMARC, and HTTPS checks with a 0–100 trust score per domain, returned as one ES256-signed batch attestation.
- [402oracle.com URL Freshness Verifier](https://www.zero.xyz/c/402oracle-com-url-freshness-verifier-522344c4/llms.txt): $0.02/call via x402. Checks whether a URL is live and its content is current by returning HTTP status, caching headers, a SHA-256 content hash, and a signed attestation indicating whether the content changed since a prior check.
- [402oracle Claim Verifier](https://www.zero.xyz/c/402oracle-claim-verifier-a022bb6f/llms.txt): $0.25/call via x402. Fact-checks a single factual claim against live web evidence and returns a signed verdict (supported/contradicted/insufficient), confidence score, and citations.
- [402oracle.com Crypto Price Verification](https://www.zero.xyz/c/402oracle-com-crypto-price-verification-7b2ee39f/llms.txt): $0.02/call via x402. Cross-checks a crypto asset's price across Coinbase, Kraken, and OKX, returns a median price and flags divergence, and issues a signed attestation confirming the price before a trade or settlement.

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

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