fotype

Adds a tokenized text box for saving comma separated values.
<h4>Compatibility</h4>
This ACF field type is compatible with: 
* ACF 5 
* ACF 4

Advanced Custom Fields: Token Field

Adds a tokenized text box for saving comma separated values.

SecureSubmit

This plugin allows Gravity Forms to use the Heartland Payment Systems Gateway. All card data is tokenized using Heartland’s SecureSubmit product.
Features of SecureSubmit:
<ul>
<li>Only two configuration fields: public and secret API key</li>
<li>Simple to install and configure.</li>
<li>Tokenized payments help reduce PCI Scope</li>
<li>Enables credit card saving for a friction-reduced checkout.</li>
</ul>

Heartland Secure Submit Addon for Gravity Forms

SecureSubmit allows merchants to take PCI-Friendly Credit Card payments with Gravity Forms using Heartland Payment Systems Payment Gateway.

Advanced Custom Fields: Token Field vs Heartland Secure Submit Addon for Gravity Forms