Routefinder Pro - Solutions
Postman - The Collaboration Platform for API Development
Versatrans - US State & Local Government
Google Cloud Endpoints - Google Cloud Endpoints provides the tools to develop, deploy, protect and monitor your APIs.
INRIX - INRIX offers real-time traffic information solutions that help develop traffic data and traffic speed for freeways, highways and arterials.
Django REST framework - Django REST framework is a toolkit for building web APIs.