The way that US telecom carrier AT&T is approaching APIs for the enterprise offers key insights for app developers and business stakeholders looking for market entry opportunities into a global ecosystem. ProgrammableWeb spoke with AT&T Vice President of Ecosystem Development and Platform Solutions, Laura Merling about the broader API strategy. Meanwhile Chris Aron, Product Manager of AT&T Location Information Services, demonstrated how the AT&T approach translates into an industry-specific partnership with Sabre, the global travel tech company.