The attached Request for Certification form for the Vantiv, now Worldpay, Integrated Payments Express Interface should be completed and submitted by developers. It requests developer contact info, merchant contact info, the software application used and a brief description of the project. Please refer to the PDF for a full list of required information.
A certification analyst will provide Certification Scripts, including receipt requirements for card-present certifications. Upon submission, Express payments developers can request physical test cards and appropriate hardware for testing and certification.
Upon your certification, you will be issued a Certification Letter via email.
A full PDF download of the instructions and form can be found at the bottom of this page.