TKC Launches New Function for 'FX Cloud Series API' to Streamline Payroll Operations

TKC Corporation (Headquarters: Utsunomiya City, Tochigi Prefecture; President and CEO: Shinki Iizuka) announced on June 16, 2026, the release of a new API function within the 'FX Cloud Series' (Note 1) and the 'FX Cloud Series API' (Note 2), which enables the reception of work performance data.

This new functionality allows business system vendors to offer integration features that transfer work performance data managed in their own attendance management systems directly into the FX Cloud Series. Users of the FX Cloud Series can now reduce the burden of manual data entry and transcription of work performance data required for payroll calculations by using attendance management systems compatible with this API.

By providing an API environment that accepts work performance data on the FX Cloud Series side, TKC will support business system vendors in developing integration features, thereby contributing to improved efficiency and quality of administrative operations for accounting firms and their client companies.

(Note 1) The FX Cloud Series is a cloud-based accounting system that combines 'sales management functions' and 'payroll calculation functions'.

(Note 2) The 'FX Cloud Series API' is an interface that enables data exchange between external programs and the FX Cloud Series.

## Background and Objectives

In recent years, corporate administrative departments increasingly use multiple business systems for tasks such as attendance management, payroll calculation, and accounting. However, when inter-system data integration is insufficient, staff must manually input work performance data or create and edit files for data transfer, leading to increased workload and the risk of input errors.

In particular, payroll processing requires accurate reflection of work performance data—such as number of working days, working hours, overtime hours, and paid leave days—managed in attendance systems. Therefore, there is a growing need for a seamless mechanism to transfer such data from attendance management systems to payroll systems.

The newly released API function is designed to receive work performance data on the FX Cloud Series side. Business system vendors can use this API to develop and offer integration features that transfer work performance data from their own attendance management systems to the FX Cloud Series.

## Overview of Work Performance Data Integration via API

Users of the FX Cloud Series can now integrate work performance data from compatible attendance management systems directly into the FX Cloud Series. Integration features are provided by business system vendors who have signed an API usage agreement with TKC and utilize this API.

This integration is expected to significantly reduce the following manual tasks:

- Creation of data linkage files
- File import operations
- Layout adjustments for linked data
- Manual transcription and verification of work performance data

By transferring work performance data directly from the business system to the FX Cloud Series, errors such as incorrect entries or omissions caused by manual input can be prevented. Payroll administrators can thus process payroll more efficiently using the integrated data.

## What is the 'FX Cloud Series API'?

An API (Application Programming Interface) is a mechanism that enables data exchange between different software applications or web services.

The 'FX Cloud Series API' is an API environment provided by TKC to enable data integration between the FX Cloud Series and third-party business systems. Business system vendors who have signed an API usage agreement with TKC can implement data integration features into their own systems using this API.

## About the 'FX Cloud Series API' Website

TKC has launched the 'FX Cloud Series API' website for businesses considering API integration with the FX Cloud Series. The site provides detailed specifications of the API and accepts applications for usage.

▼ Visit the 'FX Cloud Series API' website here:

　https://www.tkc.jp/api/fxcloud/

## TKC Systems Eligible for Data Integration via This API

- FX MyStar Cloud
- FX MyStar Cloud (Personal)
- FX2 Cloud
- FX2 Cloud (Personal)
- DAIC2 Cloud
- MX2 Cloud
- FX2 Agricultural Accounting Cloud
- FX2 Agricultural Accounting Cloud (Personal)
- FX2 Public Interest Corporation Accounting Cloud
- FX2 Social Welfare Corporation Accounting Cloud
- FX2 School Corporation Accounting Cloud
- FX2 NPO Corporation Accounting Cloud
- Payroll Calculation Function (for FX4 Cloud)

## About Business Systems with Existing Integration with TKC Systems

TKC systems support the efficiency of corporate administrative operations through data integration with various business systems.

For the latest list of integrated systems, please visit the following page. The range of integrated services and systems is expected to expand progressively.

▼ Check the list of business systems integrated with TKC systems here:

　https://www.tkc.jp/api/renkei/

## Reference

## About the FX Cloud Series

The FX Cloud Series is a cloud-based accounting system equipped with powerful features such as the 'Variable Profit and Loss Statement' and 'Smart Performance Verification Function' that strengthen businesses through accounting. It also includes functions that streamline accounting tasks, such as 'Bank and Credit Data Reception' and 'Document Storage'. It is the ultimate performance management tool for business owners aiming for 'profitable settlements' and 'accurate tax filings', based on monthly closing and on-site audits by accounting firms.

▼ Visit the FX Cloud Series product introduction site here:

　https://www.tkc.jp/fx/

## Corporate Overview of TKC Corporation

President: Shinki Iizuka

Address: 1758 Tsuruta-machi, Utsunomiya City, Tochigi Prefecture

Capital: 5.7 billion yen

Established: October 22, 1966 (Showa 41)

URL: https://www.tkc.jp/