Hi, Kevin....many thanks for your reply.
We want to have customized pricing for our shipping calculation, so your second option is what we would prefer.
However, we're willing to go with developing an app, if that is necessary.
Steps taken so far:
1. Established test shop
2. Obtained custom API keys
3. Developed a (very) simple PHP version of our shipping calculation which resides on an external server, at
http://mxdesign.net/nga/shipform.php.
4. Made sample calls to the the CarrierService API to obtain current orders using the API keys obtained in step 2
5. Made sample call to the Carrier Service to create a Service using the API keys obtained in step 2.
I'm trying to figure out what happens next. I'm a little confused about the notion of an embedded app...and where the calculation (app) would be hosted, and what is the actual trigger is that upon checkout that I can hook into to provide the dollar value for the shipping back into the final checkout screen.
If possible, I'd like to be able to embed the calculation code directly into our shop, although we can certainly host it externally with a public URL as described in the documentation.
Again....thanks so much for your help.
-- Larry