Custom Integration of Third Party Merchant Accounts

iStream Financial Services provides custom development designed to meet the unique requirements of your organization. The iStream platform was built from the ground up to be robust enough to handle to specific needs of today complex processing environments. With integrations to all of the major core processors and an impressive list of financial institutions, connectivity should pose no issues. Designed to facilitate the efficient movement of data, iStream regularly processes file types that include x9.37, ACH, POD, XML and more.


  • Web Services

    Integrate software applications for the secure transmission of transaction data for clearing, settlement and posting into the iStream system using web services over SSL (Secure Socket Layer).

  • x9.37 File Processing

    Provide iStream with an X9.37 file format for clearing and settlement to your financial institution(s) via our partner institutions and clearing channels. The data is posted for easy search capabilities, reference to data and on demand reporting in the iStream system.

  • ACH File Processing

    Utilize iStream for ACH processing and use the iStream platform to originate ACH debits and credits, clearing through the Federal Reserve. All data and transactions are archived and searchable for simple reporting and auditing within the iStream system.

  • Platform Scalability and Flexibility

    iStream leverages the latest in hardware, software and connectivity for production systems. Ensuring that the application not only meets the complex needs of customers but also delivers high levels of availability.

  • Payment Processing Experience

    Payment processing is central to the experience the core team at iStream possesses. With deep roots in financial, credit card and data processing transactions, the iStream team has the experience required to deliver success to projects large and small.

  • FDIC Compliant, Secure SOC 2 Solution

    iStream complies with FDIC security standards. Additionally iStream has a SOC 2 certification that is reviewed annually. All information moves via 128 bit triple DES secure Socket Layer encryption to our offsite data center.


  • Integration and Collaboration with Third Party Vendors

    Reduce the hassle associated with manual posting and entry into your custom implemented or proprietary system by receiving data feeds from iStream that meet your specific requirements.

  • Simple Payment Reconciliations

    Eliminate duplicate posting entries and posting errors by downloading deposit batch files, already reconciled through the iStream system to your existing accounting system.

  • Hard and Soft Cost Elimination

    Cut unnecessary courier, lockbox or other employee costs associated with the depositing of your payments. With the iStream solution, the process is streamlined and all associated data and reporting is available via a web browser for 7 years. No more manual and time consuming searches of archived, physical records.

We were approached by many banks to use their product but since iStream and SchoolLeader were an all-in-one solution, it was the best way to go, we saved time and money! Cory Bullock - Kiddie Academy of League City
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