I placed an order with Amazon now i cant find it

On Amazon website, click on "Orders" in upper right side of screen, then select "Past 6 Months", which will include your orders that were placed in the last 60 days. Orders will show up by date from most recent first to the oldest last.

hi there.
this is all i could find out.
How do I cancel an order on Amazon? To cancel an item or an entire order:

1. Go to Your Orders. AmazonFresh and Digital orders appear separate. ...
2. Click Cancel Items. ...
3. Select the check box next to each item you wish to remove from the order. ...
4. Click Cancel checked items when finished.

Amazon.com Help: Cancel Items or Orders

https://www.amazon.com/gp/help/customer/display.html?nodeId=595034 Search for: How do I cancel an order on Amazon?
To cancel an accidental Amazon Video order:

1. Go to Your Digital Orders.
2. Find the accidental order you'd like to cancel.
3. Select Cancel Items.
4. Choose a reason for the cancellation from the drop-down menu, and then click Cancel This Purchase.

Amazon.co.uk Help: Cancel an Accidental Amazon Video Order

https://www.amazon.co.uk/gp/help/customer/display.html?nodeId=201612980
if you need to read up more go to this link.
How do cancel digital orders on Amazon Google Search

Fixya has nothing to do with Amazon Prime. Logon to Amazon and go to your account settings and cancel Prime

no
fixya site cannot correct problems from another site

3rd time you need to notify AMAZON

Call your bank and tell them to cancel one order if Amazon doesnt fix it for you

sign on to your account with Amazon. Go to your orders and cancel the transaction.

I assume you are speaking of amazon prime.
To cancel your Amazon Prime membership:

1. Manage Your Prime Membership.
2. Manage Your Prime Membership page.

• To cancel a paid Amazon Prime membership, click End membership.
• Note: Paid members who haven't placed an Amazon Prime eligible order are eligible for a full refund. You can't receive a refund if any of the household members have placed an Amazon Prime eligible order.
• To cancel an Amazon Prime free trial, click Do not continue.Note: If you don't cancel your Amazon Prime free trial, you will be automatically upgraded to a paid membership plan at the end of the trial period. You can find this date listed on the left-hand side of the Manage Your Prime Membership page.

Call the amazon order dept. As u said product is not delivered.
Else go to your account change the billing information.

Just log in to Amazon and click on Your Account in the upper right of the page. From the Your Account page, you should see prominent links for canceling orders.