Flutter Recharge & Bill Integration

Flutter App Recharge API Integration ‎ ‎I have a Flutter app I need to integrate the Recharge and Bill API into the app for the following services: ‎ ‎- Utilities ‎- mobile Recharge,data ‎- Internet services... (Budget: ₹600 - ₹1500 INR, Jobs: Android, API Integration, Dart, Flutter, Java, JavaScript, Mobile App Development, REST API)