# Services from app.difficat.com on Zero

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

## Services

- [Difficat Page Discovery](https://www.zero.xyz/c/difficat-page-discovery-f8cdade2/llms.txt): $0.05/call via x402. Discovers and lists all pages of a website by reading its sitemap or crawling from a start URL, optionally mapping each page to a target site for migration comparison.
- [Difficat Website Migration Comparison](https://www.zero.xyz/c/difficat-website-migration-comparison-80e1c090/llms.txt): $0.1/call via x402. Starts a migration comparison job that checks page existence, content diff, and visual regression between a source site and its migrated copy, producing a report with screenshots.
- [Difficat Full-Page Screenshot API](https://www.zero.xyz/c/difficat-full-page-screenshot-api-f2a739d0/llms.txt): $0.02/call via x402. Captures a full-page Chromium screenshot of a public web page and returns a PNG link for $0.02 per call

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)