Click on Settings -> Finance & Billing -> Payment Gateway -> List / AddДЈ. Login into your Reseller Control Panel from Дў. Mention the Callback URL as Adding the WorldPay Credit Card Gateway into your Reseller accountДЎ. Select the Callback enabled? and Use callback response? checkboxesД«. On the following page, mention the following details and click on the SAVE CHANGES button -ДЄ. In the Installations for Your Company Name, search for your Installation ID and click on the Configuration options button.ДЈ. Login into your Production/Live WorldPay interface from Дў. This secret must be sent to the WorldPay Technical Support Team at so they can add it to the MD5 secret for transactions in the configuration settings of your installation.Д®nable Callback - To redirect your Customers and Sub-Resellers back to their Control Panels after transacting through your WorldPay Payment Gateway, you would need to configure a few things in your WorldPay Merchant interface.ДЎ. Secret Word - This should be a string (spaces are permitted) of up to 16 characters. Installation IDs are unique numbers exclusive to your account and can not be changed. This Installation ID always needs to be included in each online transaction information sent to the WorldPay processing system. WorldPay Installation Id - Each WorldPay account user is assigned a unique Customer Account ID, along with one or more Installation IDs, for use in setting up and testing their integration with the WorldPay payment system. You will need to gather the following details about your WorldPay Merchant Account before you start: You simply have to fill in a form specifying your preferences and account details. Integrating the WorldPay Credit Card Gateway with our system is pretty simple.

Worldpay installation id