That part of the GDAX API was already implemented in Finance::GDAX::API::Product
You can perldoc Finance::GDAX::API::Product.pm to read the man page and see the examples.
It shouldn't require a user key from GDAX for pulling out quotes and products.
Sat Jan 20 16:29:10 2018The RT System itself - Status changed from 'new' to 'open'
Tue Jan 23 02:46:53 2018SEATEK [...] cpan.org - Correspondence added
Assuming he found it works ok
Tue Jan 23 02:46:54 2018SEATEK [...] cpan.org - Status changed from 'open' to 'resolved'