The order of popularity changes based on what data you look at. Chargebee decided to look at the actual API requests from the apps that have integrated with Chargebee using the language-specific SDKs. This gives a glimpse at which languages are most popular for SaaS and eCommerce customers.
We've added 3 APIs and several SDKs to the ProgrammableWeb directory in Billing, Business, and Tools, as well as other categories. Here's a summary of what is new.