CityPay is an online payment service that offers a secure payment gateway, enabling merchants to accept payments from a range of environments, from mobile phones and web browsers through to fully integrated solutions.
The CityPay PayPOST API is RESTful payment API used for server to server transactional processing. Merchants can use the API to integrate CityPay payment services into their own applications. The API provides a number of payment mechanisms including fraud protection, preauthorization, and Internet, MOTO, CA transaction processing. The API provides data in XML or JSON.