The Nutshell Python SDK by Emil Stenström allows API interaction and provides JSON-RPC protocol. Resources explain how to create an API key and a username to make calls. Documentation available at https://www.nutshell.com/api/detail/class_core.html
BoomTown, online marketing system for real estate professionals, has announced its first API integration with a third party lead generation source. BoomTown has partnered with Zillow to integrate lead information from Zillow's Premier Agent system directly into BoomTown's intelligent CRM platform.