How do I integrate with Japan accounting software?

Apideck's Unified Accounting API lets you integrate with 7+ Japan accounting platforms through a single API. Sign up, enable the connectors you need, and use one standardized data model to read and write invoices, payments, contacts, and more.

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🇯🇵Accounting Coverage Also in 日本語

Japan accounting integrations

Q: What accounting software is popular in Japan?

The most popular accounting platforms in Japan include QuickBooks, Xero, Zoho Books, FreshBooks, NetSuite. Japan is Asia's second-largest SaaS market with a strong preference for local platforms. freee and MoneyForward dominate cloud accounting. International platforms serve globally-oriented businesses.

Japan is Asia's second-largest SaaS market with a strong preference for local platforms. freee and MoneyForward dominate cloud accounting. International platforms serve globally-oriented businesses.

7 supported accounting platforms + 7 on the radar

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Japan accounting software market

Where the major platforms sit and which Apideck supports today. Figures are company-reported unless marked as an estimate.

~60%

Share of Japanese SMEs using dedicated accounting software as of 2024

AQ Partners

2.6 million / 3.4 million

freee and Yayoi business users respectively, 2025

AQ Partners

Platform	Japan market position	Apideck	Source
Yayoi	Market leader with about 3.4 million business users	On the radar	AQ Partners
freee	Cloud-native challenger with about 2.6 million business users (2025)	On the radar	AQ Partners
MoneyForward	One of the top three cloud accounting platforms in Japan alongside Yayoi and freee	On the radar	AQ Partners
QuickBooks	Global platform with a limited footprint against entrenched, Qualified-Invoice-compliant domestic incumbents	Supported	AQ Partners
NetSuite	Used by multinational subsidiaries operating in Japan that need consolidated multi-entity ERP	Supported	AQ Partners

Subscriber and customer counts are the best available public indicators and may include accountant-managed multi-entity accounts; they are not a direct count of distinct businesses. Estimates are marked accordingly.

Japan accounting compliance requirements

Japanese businesses have issued Qualified Invoices under the Invoice System since October 2023 to support consumption tax credits, and cloud accounting adoption keeps rising as sole proprietors and SMEs shift off paper-based bookkeeping.

Qualified Invoice System (Invoice Seido)

Since 1 October 2023 businesses must issue invoices carrying a registered Qualified Invoice Issuer number and itemised consumption tax rates and amounts so buyers can claim input tax credits.

Sovos

Qualified Invoice Issuer registration

Businesses must register with the tax authority as a Qualified Invoice Issuer before they can issue invoices their customers can use for consumption tax credit claims.

EY Japan

Six-year transitional input tax credit relief

A transitional measure lets buyers still claim a partial input tax credit on purchases from non-qualified issuers for six years, from October 2023 through September 2029.

Avalara