Greetings,
As a senior custom website developer and Backend Expert, I can surely help you to upgrade your old paypal pro to the new version using REST API which supports SCA as per your requirement with 100% job satisfaction.
Please provide all of your details via chat or Freelancer call as you see fit.
I'LL SEND YOU A LINK TO MY PORTFOLIO IN A PRIVATE MESSAGE
I’m Luqman Ahmed, I am a software engineering graduate with good experience in developing websites, and Android/IOS apps, and I have over 6 years of Full Stack Development experience working for various companies in the United Kingdom. I am strongly experienced in PHP, Angular, Larval, React JS, Woo-commerce, Wix, WordPress, and Shopify sites from the scratch, as well as customize themes, custom plugins, and API.
Please provide all of your details via chat or Freelancer call as you see fit, and get your solutions done :)
Thank you & Regards
Luqman Rg.