trouble with return URL for test google sandbox

[mreamant]

I used the test url suggested under Abantecard extensions for google checkout which I enabled and selected HTML as suggested for sandbox return URL in google checkout, but it does not return.  I also used API version 2 which was recommended by google if I didn't know which one to use, no suggestin in abantecart.  google wallet suggested "https://..." not "http:.." and I tried both, but abantecart has set as http...so a mismatch there. 

Anyway, it doesn't return to the URL when I set it up under google wallet integration for sandbox.  How do I handle this so it will return after purchase with google wallet?

[abolabo]

hello.
Try to login into google checkout as merchant and go to tab tools->integration console. There you'll see error log.
Post it here.