Well, I found the answer, and for the sake of documentation (since this is incredibly poorly documented), I'll jot down the important bits. First, setting the service to 'all' for international shipping on USPS will give a list of every service with the rate and name (that was the sekret part I couldn't figure out). Here is a Dumper of the array that is returned from a sample query: 
{
      'deliv_date' => undef,
      'name' => 'Global Express Guaranteed',
      'deliv_date_formatted' => undef,
      'charges' => '38.95',
      'nick' => undef,
      'charges_formatted' => '$38.95',
      'deliv_days' => undef,
      'code' => undef
    },
    {
      'deliv_date' => undef,
      'name' => 'Global Express Guaranteed Non-Document Rectangular',
      'deliv_date_formatted' => undef,
      'charges' => '38.95',
      'nick' => undef,
      'charges_formatted' => '$38.95',
      'deliv_days' => undef,
      'code' => undef
    },
    {
      'deliv_date' => undef,
      'name' => 'Global Express Guaranteed Non-Document Non-Rectangula
+r',
      'deliv_date_formatted' => undef,
      'charges' => '38.95',
      'nick' => undef,
      'charges_formatted' => '$38.95',
      'deliv_days' => undef,
      'code' => undef
    },
    {
      'deliv_date' => undef,
      'name' => 'USPS GXG Envelopes',
      'deliv_date_formatted' => undef,
      'charges' => '38.95',
      'nick' => undef,
      'charges_formatted' => '$38.95',
      'deliv_days' => undef,
      'code' => undef
    },
    {
      'deliv_date' => undef,
      'name' => 'Express Mail International (EMS)',
      'deliv_date_formatted' => undef,
      'charges' => '25.95',
      'nick' => undef,
      'charges_formatted' => '$25.95',
      'deliv_days' => undef,
      'code' => undef
    },
    {
      'deliv_date' => undef,
      'name' => 'Express Mail International (EMS) Flat-Rate Envelope',
      'deliv_date_formatted' => undef,
      'charges' => '25.95',
      'nick' => undef,
      'charges_formatted' => '$25.95',
      'deliv_days' => undef,
      'code' => undef
    },
    {
      'deliv_date' => undef,
      'name' => 'Priority Mail International',
      'deliv_date_formatted' => undef,
      'charges' => '24.00',
      'nick' => undef,
      'charges_formatted' => '$24.00',
      'deliv_days' => undef,
      'code' => undef
    },
    {
      'deliv_date' => undef,
      'name' => 'Priority Mail International Flat-Rate Envelope',
      'deliv_date_formatted' => undef,
      'charges' => '11.95',
      'nick' => undef,
      'charges_formatted' => '$11.95',
      'deliv_days' => undef,
      'code' => undef
    },
    {
      'deliv_date' => undef,
      'name' => 'Priority Mail International Flat-Rate Box',
      'deliv_date_formatted' => undef,
      'charges' => '38.95',
      'nick' => undef,
      'charges_formatted' => '$38.95',
      'deliv_days' => undef,
      'code' => undef
    },
    {
      'deliv_date' => undef,
      'name' => 'Priority Mail International Large Flat-Rate Box',
      'deliv_date_formatted' => undef,
      'charges' => '49.95',
      'nick' => undef,
      'charges_formatted' => '$49.95',
      'deliv_days' => undef,
      'code' => undef
    },
    {
      'deliv_date' => undef,
      'name' => 'First Class Mail International Letters',
      'deliv_date_formatted' => undef,
      'charges' => '2.54',
      'nick' => undef,
      'charges_formatted' => '$2.54',
      'deliv_days' => undef,
      'code' => undef
    },
    {
      'deliv_date' => undef,
      'name' => 'First Class Mail International Large Envelope',
      'deliv_date_formatted' => undef,
      'charges' => '2.80',
      'nick' => undef,
      'charges_formatted' => '$2.80',
      'deliv_days' => undef,
      'code' => undef
    },
    {
      'deliv_date' => undef,
      'name' => 'First Class Mail International Package',
      'deliv_date_formatted' => undef,
      'charges' => '3.00',
      'nick' => undef,
      'charges_formatted' => '$3.00',
      'deliv_days' => undef,
      'code' => undef
    }
                                             ],

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To request a specific quote, you use the corresponding name from this object in the service=>'' attribute.

In reply to Re: Question about Business::Shipping by jupe
in thread Question about Business::Shipping by jupe

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