TKC API Integration
2026-07-17 02:10:26

TKC Introduces API Integration for Comprehensive Financial Management Solutions

TKC Unveils API Integration with NSS for Enhanced Financial Management



The financial accounting software, FX Cloud Series, developed by TKC Corporation, headquartered in Utsunomiya, Tochigi, has announced the launch of API data integration with the account transfer system SUPER Katsu-Kaishuu developed by Japan System Storage Co., Ltd., based in Suita, Osaka. This integration is set to commence on July 17, 2026.

This new feature allows for seamless transfer of account transfer data from SUPER Katsu-Kaishuu directly into the FX Cloud Series as journal entry data. By leveraging this API integration, TKC aims to assist accountants in small and medium-sized enterprises (SMEs) throughout Japan in their digital transformations (DX).

Overview of the Integration



Through the FX Cloud Series’ bank credit data reception function, users will be able to automatically link various transfer details from NSS’s SUPER Katsu-Kaishuu. This enhancement not only streamlines the accounting process but also reduces common errors, such as omissions or incorrect entries, thereby facilitating more efficient expense processing.

Data Types Transferable via SUPER Katsu-Kaishuu

  • - Transfer amount
  • - Withholding tax amount (for E-type compensation)
  • - Deduction amount

FX Cloud Series Versions Supporting SUPER Katsu-Kaishuu Integration


The following versions of FX Cloud Series will support the integration:
  • - FX 2 Cloud
  • - FX 2 Cloud for Individuals
  • - FX Mai Star Cloud
  • - FX Mai Star Cloud for Individuals
  • - DAI C2 Cloud
  • - MX2 Cloud
  • - FX 2 Agricultural Accounting Cloud
  • - FX 2 Agricultural Accounting Cloud for Individuals
  • - FX 2 Social Welfare Corporation Accounting Cloud
  • - FX 2 Public Corporation Accounting Cloud
  • - FX 2 School Corporation Accounting Cloud
  • - FX 2 NPO Corporation Accounting Cloud

TKC System Integration Achievements


TKC’s system stands out for its ability to connect with various business systems, enhancing operational efficiency. Currently, there are 31 systems listed as being integrated, with plans to expand this service to facilitate everything from issuing and storing vouchers to managing daily journal entries, preparing monthly trial balances, generating financial statements, tax filings, electronic submissions, and digital payments, all within a seamless digital workflow.

For further insights into the business systems integrated with TKC, visit this link.

Important Note: While the business systems outlined on the page are integrated, actual integration may depend on customizations, contract specifics, and operational methods with the partnering companies. For confirmation of integration capabilities and specific settings, please refer to the linked page and the documentation available within the TKC system, including the 'Data Integration Setup Manual for Other Business Systems.'


About SUPER Katsu-Kaishuu


NSS's SUPER Katsu-Kaishuu system offers a streamlined service for businesses by handling collection processes on behalf of customers via direct debit. Businesses utilizing this service can avoid the paperwork and costs associated with collections, significantly reducing administrative burdens.

For more details on SUPER Katsu-Kaishuu, visit the official introduction site.

Overview of Japan System Storage Co., Ltd.


  • - President: Takaya Tanigaki
  • - Location: 1-23-101 Esaka-cho, Suita, Osaka, Daido Life Esaka Building
  • - Established: November 17, 1973
  • - About: Initially founded to handle premium collections for Daido Life Insurance Company.
  • - Website: NSS Company Site

About FX Cloud Series


The FX Cloud Series acts as a robust accounting tool recommended by accounting firms, featuring functionalities that promote financial strength, such as real-time income statement fluctuations and enhanced performance tracking tools. Designed for proactive financial management, it supports timely audits and appropriate tax filings for business owners.

For more information, visit the FX Cloud Series product page.

Company Overview of TKC Corporation


  • - CEO: Masaki Iizuka
  • - Address: 1758 Tsuruta-machi, Utsunomiya, Tochigi
  • - Capital: 5.7 billion yen
  • - Established: October 22, 1966
  • - Website: TKC Official Site



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Topics Business Technology)

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