Bengaluru-based startup Postman, which offers users a testing platform for APIs, on Thursday raised ₹46.6 crore in Series A funding round from existing investor Nexus Venture Partners. Founded in 2014, Postman claims 30 lakh active installations and over 15 lakh active monthly users. Nexus Venture Partners had also invested ₹6.6 crore in the startup in May 2015.