# Services from x402-web-tools.onrender.com on Zero

> x402-web-tools.onrender.com 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/x402-web-tools.onrender.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/x402-web-tools.onrender.com/health.json

## Services

- [x402 Web Tools – URL Content Extractor](https://www.zero.xyz/c/x402-web-tools-url-content-extractor-8a298bda/llms.txt): $0.003/call via x402. Fetches a public URL and returns its content as Markdown, extracted links, page title, and word count — billed per call in USDC via x402, no API key required.
- [x402 Web Tools – Technology Detector](https://www.zero.xyz/c/x402-web-tools-technology-detector-228762a0/llms.txt): $0.003/call via x402. Detects the web technologies, frameworks, and server stack used by any public URL, paid per-call in USDC via x402
- [x402 Web Tools – Email Domain Check](https://www.zero.xyz/c/x402-web-tools-email-domain-check-529efe4c/llms.txt): $0.002/call via x402. Checks whether a domain or email address can receive email, identifies the mail provider, and returns deliverability signals including DMARC policy and disposable-address status.

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)