The Vantiv LitleXML CNP API provides a way to send and receive secure XML encoded transactions for both batch and online transactions. It has detailed information about card not present, API XML message format, and transaction examples and Certification test cases. It is used for payment processing with Vantiv, LLC. to perform unattended transaction testing and attended that, certification testing with Vantiv, and transaction processing using cnpAPI. This includes; Testing and certification process, Authorization Transactions, Authorization Reversal Transactions, Activate Transactions and more. Vantiv provides online or in-store payment processing solutions, payment applications for a mobile application, next generation POS, and eCommerce website solutions, for various partners, as well as the customers they serve.
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