I need a desktop app for buying from ebay with immediately payment

Job ID: 31486134

Budget: $250 – $750 USD

I am using uBuyfirst to buy the items on ebay.
I hope some can develope a programme like it for buying from ebay with immediately payment (pay by credit card or paypal)
https://ubuyfirst.com/get-started/

Related categories: C Programming Python C# Programming PayPal API eBay