DevConnect – Developer API

We know every business has unique needs when it comes to web payment solutions. That’s why we’ve created our DevConnect product, which makes it easy for developers to integrate their legacy systems with our ACH and credit card back-end processors using a single API. Collect payment information through your existing system and seamlessly submit it to E-Complish’s suite of tools for instant authorization.


  • Works with all major credit cards: Visa, MasterCard, Discover, American Express, JCB, Diners, En Route, and Carte Blanc
  • Access credit card and our ACH Processor using a single API web call.
  • Also available are tools for tokenization, future dated, recurring, and batch transaction processing
  • Enjoy robust Query and Reporting of single or a group of transactions
  • Compatible with industry-leading eCommerce applications
  • Real-time transaction processing
  • Supports the following programming languages: C#, J#, ASP.NET, VB.NET, ASP, Delphi, Perl, PHP, Visual Basic, C/C++, Java, Cold Fusion, and Miva
  • Works on the following platforms: Windows, UNIX, AS400, IBM AIX
  • Robust reporting tools
  • Integrated with our Text2Pay SMS engine to initiate a text message

Who Should Use It?

Merchants that:
  • Are with larger organizations requiring high levels of customization
  • Have already invested in a custom eCommerce application
  • Wish to integrate with their existing system rather than purchasing a new one
  • Have access to experienced web developers
  • Work for a company with a secure, dedicated web-server

Works With:

  • Single Transactions
  • RecurPay – Recurring/Scheduled Payments
  • Text2Pay– SMS/Text Payments
  • EDoc – Electronically Signed Payment Agreements
  • EBPP – E-Billing and Payment

For further information and access to our DevConnect API Guide, please contact us and Schedule a Demo.