OpenSRS from Tucows has a reseller API (or rather several APIs) to allow you to register domains, manage DNS settings etc.
They have API Toolkits for PHP and Ruby, but does anyone know of a .Net SDK, or have any sample code that they can share, as a basic starting point for the API?
Many thanks,
Tim
use the XML API specification
And the following is a pseudo implementation of how you would send your xml request: