Hi,
I have gone through your short description about work and understood it. I will check response with the API and will track logs on server to get the root cause of not showing payment if needed I will upgrade API as well.
I have 4 years of work experience in Java, J2ee, Spring , Struts, Jsp, Jsf, Ejb, Hibernate, Ibaitis, Camel, Maven, Gradle, Ant, MySQL, Multi threading, Oracle, Mongo, Json, Xml, HTML, CSS, Bootstrap, AngularJS, Jquery, JavaScript, Hyperjaxb3 and many more.
Looking forward to hear from you to discuss the work further. Lets connect over chat.
Thanks