Paxful exchange is not licensed by a financial authority yet in September 2017.
The exchange/company is incorporated in US in 2014, and has acquired over 50,000 participants by 2017 according to the official website.
Unlike many other Crypto Exchanges, Paxful offers 24/7 support via Email and Phone Call. Thus it is very convenient for users to solve problems.
The platform is also very simple and easy, and Paxful makes sure that each transaction is secured and requires verification for fund safety.