On This Page 
    Task 2: Choose an Integration Method
    Many merchants connect to Visa Acceptance Solutions for transaction processing download
            one of the Visa Acceptance Solutions pre-built API clients.
These API clients fall into these categories:
- Visa Acceptance Solutions development platform with REST-based connection.
 - Simple Order API (pre-built API using either an XML or Name-Value Pair data scheme)
 - SOAP Toolkit API alternative hosted and secured options.
 
There are alternate means to send Visa Acceptance Solutions transaction requests,
            although many merchants will use some form of the API clients as their default
            processing model (linked to the payment pages of their web site). 
API clients can be found on the Visa Acceptance Solutions Developer Center website at the
            following web link: developer-guides.html