Senior deputy governor Carolyn Rogers said the Bank of Canada wants to be sure it is working to get a better grasp on where price pressures are heading.
The DoorDash offer comes as gas prices have been increasing since war broke out in the Middle East, stymying the flow of fuel through the Strait of Hormuz.
Finance Minister Adrien Sala says a bill introduced in the legislature last week is aimed at ensuring shoppers won't be charged different prices for the same product from the same store.