TWiki doesn't seem to have an API, let alone a web API.
https://code.google.com/p/twikilib-php/
It seems there are tools to convert the data server-side:
https://migrations.atlassian.net/wiki/display/UWC/UWC+TWiki+Notes
More on UWC at issue 108.
Original issue reported on code.google.com by nemow...@gmail.com on 21 Apr 2014 at 9:50
Original issue reported on code.google.com by
nemow...@gmail.com
on 21 Apr 2014 at 9:50