Optimal Payments offer a range of online, mobile and alternative payment methods using APIs designed to streamline payment integration into applications and websites. The Customer Vault enables developers to store customer information such as credit card numbers and contact information to quickly reference for an expedient shopping and checkout experience. The API can hold multiple payment methods per customer and can be used to create and manager customer profiles, all through a RESTful API using HTTP with JSON formatted requests and responses. Optimal Payments offers a test API endpoint to demo API integrations before publication.
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