Postman

Postman is the collaboration platform for API development, used by 10 million developers and 500,000 companies worldwide. It's an elegant, flexible tool for building connected software via APIs quickly, easily, and accurately. Postman is a global company with headquarters in San Francisco, a large office in Bangalore (where the company was founded), and distributed team members on four continents. Postman is privately held, with funding from Nexus Venture Partners and CRV. Learn more at http://www.postman.com or connect with Postman on Twitter via @getpostman.