Pick a province, product and date to see the pump price in force that day. Or open a from/to window for diesel / petrol change history.
Province-centre reference prices; station pumps may differ. Source URL and content hash ship in the API response for audits.
Choose province, product and date, then Query. Cards show litre price, effective date and (if asked) the change list. Next: wire the same endpoint into your software via API.