Integrate PhonePe on ASP.NET Site

I need the PhonePe payment gateway integrated into my service-based website, which is built on ASP.NET with C#.

Key Requirements:
- Integration of PhonePe payment gateway
- Experience with ASP.NET and C#
- Knowledge of payment gateway implementations

Ideal Skills and Experience:
- Proven experience with ASP.NET and C# development
- Familiarity with PhonePe or similar payment gateways
- Strong problem-solving skills and attention to detail

Please provide examples of similar work done and an estimated timeline for completion.