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You can find the updated Miva 10 Reference Guide here
You can use this module to get rates for U.S.P.S. shipping and to print address labels, but you cannot use this module to print U.S.P.S. postage. If you want to print address labels with U.S.P.S. postage, you have two choices:
Before you can use the U.S.P.S. Online Rate Calculation Module, you have to create a U.S.P.S. Web Tools account.
You will also receive a confirmation email from U.S.P.S. with:
3.1. U.S.P.S. production server. When you first register with U.S.P.S. your account is linked to a test server. Ask the U.S.P.S. representative to switch your account to a production server. If they ask what application you are using, say "Miva Merchant". Miva Merchant is already an approved U.S.P.S. rate application.
3.2. U.S.P.S. shipping labels. If you want to print U.S.P.S. shipping labels without U.S.P.S. postage, ask the representative to enable your account for the "delivery confirmation API". You don't have to do this step if you are going to use Endicia to print U.S.P.S. shipping labels with postage.
|USPS User ID:||Enter your U.S.P.S. username.|
|URL to USPS WebTools Server:||Miva Merchant uses both this URL and the secure URL below to get rate information. Both fields are populated automatically and almost never need to be changed.|
|Secure URL to USPS WebTools Server:||See above.|
|Source Zip Code for Calculations:||The zip code where rate calculation assumes you are shipping from.|
|Label Option (Default):||This field assumes you are printing U.S.P.S. address labels without postage. If you want to print U.S.P.S. address labels with postage, please use the Endicia module|
|Delivery Confirmation + Mailing Address:||The label contains address information plus a U.S.P.S. barcode that is scanned to prove delivery confirmation.|
|Delivery Confirmation Only:||The label contains only the U.S.P.S. barcode that is used to prove delivery confirmation.|
|Label Image Type (Default):||The file type of the label that is retrieved from U.S.P.S.|
|Display Online Rates to Customers When Available||U.S.P.S. has a "standard" shipping rate that you would be quoted if
you physically went to a post office, and a slightly discounted rate that
you can get if you buy postage online.
If you check this box, your customers will see the discounted online rate if it's available. If the online rate isn't available, or if you don't check this box, your customers will see the standard U.S.P.S. rate.
|Enable Label Generation:||See https://www.usps.com/ship/service-chart.htm
Check this box if you want to print U.S.P.S. labels with address information but no postage.
Leave this box unchecked if you are using Endicia to print labels with both address information and postage.
|Available Shipping Methods:||
The U.S.P.S. shipping methods that you want to offer customers in the checkout screens.