Api Automatic for moogold -- 2

I am looking for a freelancer who can help me with an API integration for my project "Api Automatic for moogold". Specifically, I need a direct game top up integration.

Requirements:
- Expertise in API integration, specifically in the area of payment gateways
- Familiarity with the Moogold API documentation and credentials
- Proficiency in the JSON programming language

If you have experience in API integrations and are familiar with the Moogold API, please reach out to discuss further details and timeline.