Request help, will pay for help w/ payment processing platform coded to existing API

Hi all, I am a owner of a payment processing ISO.  I need to build a platform that will be coded to an existing API , for merchant onboarding , tracking , processing , etc.  The API's can be found on   &/or    I am willing to pay for help with this project to get it completed.  Is anybody interested, have experience/know how ?  please let me know, and I look forward to your response.  Kind Regards,