You can cancel orders on Grubhub through the app's Orders menu, but you'll need to chat with an agent. Canceling your Grubhub order doesn't necessarily mean that you'll get a refund. If the ...

An Immediate or Cancel Order (IOC) executes immediately, filling all or part of the order, and cancels any remaining unfilled portion. An immediate or cancel order (IOC) is an order to buy or sell ...

Whether it was an accidental click, an impulse purchase or an eBay auction item you found at a better price, you have the ability to cancel an eBay order before or after you pay for the item.

You can cancel an Amazon order before it ships from the "Your Orders" page of your account. You can also cancel an order that has already shipped from the "Track Package" page of your account.