How do I create a Transaction Key in my Authorize.net account area?

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To process a credit card transaction, your Modular Merchant store will connect to your Authorize account during the transaction process to validate and charge the customer's credit card. In order to connect to your Authorize.net account, your store will need your Authorize.net account information on file. This information can be saved in your System Settings. (More information on saving all your Authorize.net System Settings.)

The required information includes your Authorize.net Account Name and a Transaction Key. For security reasons, Authorize.net does not require your Account Password. Instead, you can create a Transaction Key in your Authorize.net account area that replaces your Authorize.net Account password when setting up your Modular Merchant System Settings.

How do I create a Transaction Key?
1. Log in to your Authorize.net account area.

2. Click on the Settings and Profile link in the menu on the left.

3. In the Security section of the page, click the Obtain Transaction Key link.

4. Answer (or, if setting up for the first time, create) your "Secret Question". There is also an option for "Disable Old Transaction key". Checking this will deactivate any previous Transaction Keys you have created. Click the Submit button.

5. An alphanumeric Transaction Key will be displayed. It will look something like: sd9sf93jk3429d0djl. Copy this Transaction Key, and paste it into your Modular Merchant System Settings in the appropriate field.

Troubleshooting:
Using the account password instead of the transaction key with Authorize.net, may result in error messages being displayed when trying to process an order in your store. The most common error message is: This transaction cannot be accepted. (ID: 103)

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See related articles:
How can accept credit card payments in my online store?
How do I integrate my Merchant Account into our Modular Merchant shopping cart?
How do test my Merchant Account without actually charging a credit card?

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[kellz123]

Thanks for the information as I am planning to sign up with authorize.net for my payment processing. I am currently using www.cardservicesales.com to process my online payments but I heard authorize.net or paypal may be less cost effective.

[CMarier]