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REST API Documentation

PayJunction REST API Documentation

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  • Browse through our secure REST API to process Visa, MasterCard, Discover, American Express and check (ACH) transactions.

PayJunction API Developer Website: https://developer.payjunction.com

Application Keys

In order to more quickly troubleshoot and support developers, all requests to the PayJunction API must include an Application Key. This key is used to identify your application with the PayJunction API. Each integration and/or application that uses the PayJunction API must have an unique Application Key. 

Submit request for an Application Key Here

After your request has been approved you will receive both a Labs (Testing) Application Key and a Production (Live) Application Key.