Point DataRattler at a URL, tell it which CSS selectors hold the values you care about, and choose how often to re-check. Every run is stored, so you get the change over time and not just today’s number.
No card to start. The free tier is a real tier, not a trial.
You give it a URL and CSS selectors. It pulls exactly those values — a price, a headline, a table cell — and records anything it could not match, rather than quietly storing an empty row.
Once, monthly, weekly or daily on the free tier; hourly on Pro. Every run is kept, so the value you are watching has a timeline instead of a current reading.
robots.txt is checked on the target host before the first content fetch, and private, loopback and tailnet addresses are refused before any fetch happens at all.
A “result” is one stored extraction from one run of one job. The count resets on the 1st. There is no per-query charge and never has been.
Billing handled by Chancellor, Graylight's PCI-scoped orchestration layer. DataRattler never sees or stores your card.