CyberSource is a payment gateway and tax calculation plug-in for processing online orders. Optimizely <<product-name>> customers can use CyberSource's Simple Order API for tax calculation and CyberSource's SOAPÂ Toolkit API as the payment gateway.
More information about the CyberSource tax calculation product can be found at <https://www.cybersource.com/products/payment_processing/global_tax_calculation/>.
The following must be completed prior to enabling Cybersource:
Obtain keys for the SOAP Toolkit API Key
Obtain the Merchant ID- this is the unique identifier used to log into CyberSource's Business Center. For most users, the Merchant ID and User Name are the same.
## Generate the SOAPÂ toolkit API security key
Requirements
Java's Runtime Environment must be installed (use this link to download <http://www.oracle.com/technetwork/java/javase/downloads/jre8-downloads-2133155.html>
Must use a browser other than Google Chrome. Chrome does not work to download the keys on CyberSource's website.
Use the steps below to generate a new security key:
Log into the Business Center Test Environment: <https://ebctest.cybersource.com>
From the **Account Management** tab, select **Transaction Security Keys**.
Select **Security Keys for the SOAP Toolkit API**.
Select **Generate Key**.
Either manually copy the key string value from the textbox displayed on-screen, or click **Download** to select a secure location on your computer to save the key string generated as a text file.
These steps can also be found within the CyberSource Support Center: [How do I update an existing CyberSource API security key or create a new one altogether](🔗).
## Obtain the simple order API security key
The Simple Order API security key must be generated prior to enabling Cybersource:
Requirements
Java's Runtime Environment must be installed (use this link to download <http://www.oracle.com/technetwork/java/javase/downloads/jre8-downloads-2133155.html>
Must use a browser other than Google Chrome. Chrome does not work to download the keys on CyberSource's website.
Log into the Business Center Test Environment: <https://ebctest.cybersource.com>
From the **Account Management** tab, click **Transaction Security Keys**.
Select **Security Keys for the Simple Order API**.
Select **2048-bit Key**. This initiates the key generation applet.
Once the applet screen appears, select **Generate Certificate Request**.
Within the **Save** dialog box, select the secure location on the current server in which you wish to save the key file.
The security key file, with extension **.p12**, needs to be added to the folder configured in the **cybs.keysDirectory** setting of the **Web.config**. If this is not done an error will occur when attempting to calculate the tax.

These steps can also be found within the CyberSource Support Center: [\<\<\<\<https://support.cybersource.com/s/article/How-do-I-update-an-existing-CyberSource-API-security-key-or-create-a-new-one-altogether>>>>](🔗).
## Update the settings to enable CyberSource to be the payment gateway
Go to **Admin Console** \> **Administration** \> **System **\> **Settings**
Search for "Payment Gateway" and select **CyberSource** from the menu.
The following Settings are used to setup CyberSource as the payment provider in <<product-name>>.
<table class="TableStyle-Borders" style="margin-left: 0; margin-right: auto; width: 100%;" data-cellspacing="0"> <colgroup> <col style="width: 50%" /> <col style="width: 50%" /> </colgroup> <thead> <tr class="header TableStyle-Borders-Head-Header1"> <th class="TableStyle-Borders-HeadE-Regular-Header1">Setting</th> <th class="TableStyle-Borders-HeadD-Regular-Header1"><p>Description</p></th> </tr> </thead> <tbody> <tr class="odd TableStyle-Borders-Body-Row1"> <td class="TableStyle-Borders-BodyE-Regular-Row1"><p>Payment Gateway</p></td> <td class="TableStyle-Borders-BodyD-Regular-Row1"><p>CyberSource</p> <p><strong>Note:</strong>Â This needs to be selected first in order to expose the other CyberSource related settings.</p></td> </tr> <tr class="even TableStyle-Borders-Body-Row1"> <td class="TableStyle-Borders-BodyE-Regular-Row1">Merchant ID</td> <td class="TableStyle-Borders-BodyD-Regular-Row1"><p>A unique value that identifies a merchant within CyberSource systems. This ID must be provided when logging into the Business Center and when submitting transactions to CyberSource.</p></td> </tr> <tr class="odd TableStyle-Borders-Body-Row1"> <td class="TableStyle-Borders-BodyE-Regular-Row1">Transaction Key</td> <td class="TableStyle-Borders-BodyD-Regular-Row1"><p>Use the Security Key for the SOAP Toolkit API - see instructions for obtaining the key below.</p></td> </tr> <tr class="even TableStyle-Borders-Body-Row1"> <td class="TableStyle-Borders-BodyE-Regular-Row1">Send to Production</td> <td class="TableStyle-Borders-BodyD-Regular-Row1">Determines if the transaction is sent to the production cybersource server or the test cybersource server Default value: No</td> </tr> <tr class="odd TableStyle-Borders-Body-Row1"> <td class="TableStyle-Borders-BodyB-Regular-Row1">Tokenize Payments</td> <td class="TableStyle-Borders-BodyA-Regular-Row1"><p>CyberSource Tokenization replaces sensitive payment data with a unique identifier or token that cannot be mathematically reversed</p></td> </tr> </tbody> </table>