News that Brazil’s big three telcos have joined the GSMA’s Open Gateway API initiative has set hearts fluttering with the promise of service revenue growth. Is this development a meaningful sign for a limp telecommunications sector, or are we getting carried away? Last week, the GSMA proudly announced that Brazilian mobile operators Claro, TIM Brazil and Telefonica’s Vivo have launched three network application programmable interfaces (APIs) focused on digital security. The three apps are Number Verify, SIM Swap and Device Location. The announcement follows the GSMA’s grand reveal of its Open Gateway initiative at MWC Barcelona back in February – a common open framework between operators to make it easier for developers and cloud providers to build apps and services…