Western Union Mass Payments API enables users to process up to 10,000 payments in a single file upload. This is a REST based service with a JSON structured payload. It allows users to initiate payments between a Partner and WUBS, submit payments created by a Partner to Western Union Business Solutions, get a requested batch's representation and more. Partners will be issued a PKCS 12 client certificate for authentication purposes. Western Union enables you with the ability to send money to over 200 countries and territories via the mobile application, online or agent locations.