Postman started in 2014 as a side project of software engineer Abhinav Asthana, a former intern at Yahoo Bangalore who found it difficult to develop and test APIs. As of February 2023, Postman reports having more than 25 million registered users and 75,000 open APIs, which it says constitutes the world's largest public API hub. The company is headquartered in San Francisco and maintains an office in Bangalore, where it was founded. Postman is an API platform for developers. Proprietary (with open source components)