I'm just getting started integrating the SIM API. I was reading through
the SIM guide (the January 2016 version), and I noticed that the
x_fp_hash value only covers the login ID, sequence number, timestamp,
amount, and optionally currency code. It do...
This has some other interesting side effects as well. For example,
there's a bug in the XML API related to ampersands:
12&34 (or any other free-text element) becomes
12&34 in the response, which is malformed XML. I checked
the JSON API, and sure enou...
I'm confused. By the way you're interpreting that page, the Payment
Transactions API is also no longer actively maintained or enchanced,
since the page lists AIM and says it's renamed to Payment Transactions.
If the Payment Transactions API is also n...