HUNTSVILLE, Ala.--(BUSINESS WIRE)--ADTRAN®, Inc., (NASDAQ:ADTN), today announced its Open Application Programming Interface (API) is gaining momentum in enabling service orchestration, customization and analytics through third-party platforms. ADTRAN offers a complete RESTful (Representational State Transfer) API within its broadband, enterprise and Wi-Fi access portfolios. As a result, the company makes it easy for a diverse ecosystem of service providers, channel partners, enterprises and thi