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PaySimple API

Online payment processing service for ACH and Credit Cards

With industry low transaction rates, no API surcharge, and revenue sharing opportunity, your business is poised to gain a profitable new recurring revenue stream.

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PaySimple: Highlights

Online payment processing service for Credit Card and ACH
Data Formats
API home

PaySimple: Specifications


Client Install Required

Signup and Licensing

Signup Requirements
Developer Key Required
Account Required
Commercial Licensing
Non-Commercial Lic.
Data Licensing
Usage Fees
Program Fees
Certification Program
Usage Limits
Terms of Service


Authentication Model
SSL Support
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Vendor API Kits
Community API Kits
API Blog
Site Blog
API Forum
Developer Support
Console URL

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January 14, 2011
at 06:48
Comment by: AdrianaCory

there is a C# client here : https://sandbox-api.paysimple.com/3.00/help/default.html

October 23, 2010
at 05:22
Comment by: realtybaron

I developed a Java client for the PaySimple API. Contact me if interested.

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