Agent-native API

Agent Delta

Freshness API for autonomous agents. Resolve public pages into clean markdown or ask whether a page changed since the last snapshot. Designed for autonomous clients that can pay over HTTP 402.

Resolve

Turn noisy public HTML into agent-usable markdown with title, excerpt, headings, and outbound links.

$0.002 per request

https://fetchdelta.com/api/resolve?url=https%3A%2F%2Fexample.com%2Fpost

Diff

Fetch a page, compare it to the previous stored snapshot, and return added and removed lines with a compact preview.

$0.004 per request

https://fetchdelta.com/api/diff?url=https%3A%2F%2Fexample.com%2Fpost

Free endpoints

/health for readiness.
/manifest for machine-readable capabilities.

Manifest: https://fetchdelta.com/manifest