Jeremy Grossmann (creator of GNS3) discusses the GNS3 API with David Bombal. How it works, what you can do with it and where to learn more information.
All communication in GNS3 uses HTTP using the JSON format.
GNS3 API documentation: http://api.gns3.net/en/latest/
#GNS3 #RESTAPI #GNS3API