Invoice Maker or Request a Payment

Item	Value	Required?
Merchant ID:	You can find this on your My Account page. If you were logged in it would fill this in automatically.	Yes
Request Description:		Yes
Request Amount: (not including tax or shipping)		Yes
Invoice Number:		No
Tax Amount:		No
Collect Shipping Address:		No
Shipping Cost:		No
IPN URL:	Leave blank to use your account default.	No
Allow Buyer to Leave You A Note:		No
Shorten URL with gocps.net:		No

For a full list of fields and detailed information please check out the HTML POST Fields page.