4D Payments SDK Purchasing Options

For specific information about our licensing options please contact sales@4dpayments.com.


4D Payments SDK 2016 PHP Edition

Common Questions

NO, 4D Payments does not charge a per transaction fee. The only fee we charge is a fixed yearly fee (see prices above) for the use of our software.

Yes, you can. We’ll give you a prorated credit for the unused portion of the license you have and you can use that credit toward the purchase of the higher level license.

When the concurrent connections limit is reached other processes that may be trying to connect to the Gateway will have to wait. You will still be able to process your transactions but the end users will experience delays depending on the load.

The Gateway license does not entitle you to use the 4D Payments SDK. Please contact us to inquire about the SDK licenses available.

Yes, before you can process transactions you will need to obtain a merchant account from one of the credit card Processors we support.