When you’re Signing Up the Free Plan is automatically assigned to your account.
Our free plan allows you to use Cloud APIs as you would normally. It only applies the limitation to the data that can be processed with the APIs. For details on the free plan please check Free Trial Plan. For pricing please check Cloud APIs Pricing.
The free plan simply becomes paid plan when you upgrade your plan for any paid account. Please follow below steps to upgrade your free plan to paid plan.
Login to https://dashboard.groupdocs.cloud
Click on Upgrade Plan
Follow instructions after clicking on Buy Now
Same App Key and App SID will be used for the free plan as well