Unity Application Payment Gateway Integration

I am looking to get a payment gateway integrated into my Unity application which operates on Android. The purpose of this gateway is to handle transactions pertaining to digital goods.

Key project requirements include:

• Support for Credit Card, Debit Card, and PayPal transactions
• Streamlined integration with Unity application that operates on Android
• Secure and efficient handling of transactions relating to digital goods

Ideal freelancers for this project will have:

• Prior experience in payment gateway integration
• Proficient in programming for Android
• Familiarity and experience working with Unity
• An understanding of secure, online financial transactions
• Proven reliability

Successful completion of this project will significantly enhance user experience and streamline our purchasing system. I look forward to your bids!