Motivation: This article will present what happened in the code base for the License Checking module of our main plugins. We hope it helps everyone can understand the stories behind the scene. Welcome to contribute or questions about the following charts.
1. When the user installs and activates the plugin
2. When user enters license in the Settings page
3. Thing happen in License API
Post data means the data from request including product ID and license key.
4. Things happen in “Check license in SendOwl”