Need to convert Excel vba to VSTO-addin .

I'm looking for VSTO expert .

I have excel VBA code doing following .

- Request POST API to retriev a data
- Data is retrieved with TAB-delimeted string.
- Creating the ADODB and Recordset
- Parsing TAB-delimeted string into array
- Populate recordset with an array .
- populate pivotcache with recordset.

Requirements
- VBA will be converted into VSTO
- and make a excel addin using VSTO.
- Make a Ribbon-menu for "execution" .


Only one milestone is allowed . and will be released if a project is completed.