Looking for a professional JSON developer

hello i m looking for very professional javascript, Json developer who can actually do API work in my website, we are crypto exchange company and we recently did partnership with sendwyre and we have to use their whitelabel card processing api in our website,also our website design is already completed. Here is link for their api [login to view URL] Please note if you are applying for this job, you must be experienced and you should be sure that you can do it Only eligible candidates apply please whats your work? 1. Integrate their card processing api in our website 2. Integration should be professional 3. you must have experienced about it Completion time : 5 days only ( if you cannot complete within 5 days please don't apply )