Enabling rate calculations through USPS Web Tools
is easy and can be enabled in a few short steps. If you have signed up with Endicia ELS, you can also get rates and address validation through ELS as well.
You will see the following message:
3. Once you receive the email from the USPS you can respond to email@example.com to notify them that testing has been completed. Remember to include your Web Tools ID and password. 4. Enter the new USPS Web Tools ID into the appropriate field on the Shipping Rate API page in your SellerCloud account. 5. Test the USPS Web Tools ID via the action menu