# Services from pagediff-api.hahavoid0.workers.dev on Zero

> pagediff-api.hahavoid0.workers.dev 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/pagediff-api.hahavoid0.workers.dev
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/pagediff-api.hahavoid0.workers.dev/health.json

## Services

- [PageDiff API - Batch Historical Page-Change Report](https://www.zero.xyz/c/pagediff-api-batch-historical-page-change-report-d8bfbf0f/llms.txt): $2/call via x402. Fetches and compares Wayback Machine snapshots of up to 5 URLs across date ranges, returning structured change reports with summaries, risk notes, commercial impact, and source timestamps.
- [PageDiff API - Wayback Machine Snapshot Differ](https://www.zero.xyz/c/pagediff-api-wayback-machine-snapshot-differ-f316d434/llms.txt): $0.05/call via x402. Compares two Wayback Machine snapshots of a URL across two dates and returns structured added, removed, and modified text blocks
- [PageDiff API - Historical Page-Change Evidence](https://www.zero.xyz/c/pagediff-api-historical-page-change-evidence-4052f692/llms.txt): $0.5/call via x402. Compares two Wayback Machine snapshots of a URL across specified dates and generates a structured change-intelligence report with diffs, risk notes, and commercial impact analysis.

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)