It's required that you sign-up for the Sandbox environment, aside from the Community portal registration. It's very simple though, under My account, you will find the Sandbox tab, where you could register your account. You could also follow this link for a detailed answer: Getting Started with Intelligent Adaptive Authentication: Setting Up the Sandbox
Reply to: Sandbox REST API Access
Monday, March 8, 2021 at 05:25pmHi Shirley,
It's required that you sign-up for the Sandbox environment, aside from the Community portal registration. It's very simple though, under My account, you will find the Sandbox tab, where you could register your account. You could also follow this link for a detailed answer: Getting Started with Intelligent Adaptive Authentication: Setting Up the Sandbox
Hakim