All APIsexpand_more

Subsidiaries and affiliated companies

GET/stable/subsidiaries1 tokens per callNew

From the "subsidiaries and other affiliated entities" section of the annual securities report, returns the parent, consolidated subsidiaries, equity-method affiliates and other related companies, with address, capital, main business, voting-rights ratio (0–1 decimal) and relationship. Because it is read from a table, columns the filer left blank are null.

What you can do with this API

check_circleUnderstand the group structure and main businesses
check_circleCheck the parent company and voting-rights stakes
check_circleSee where overseas subsidiaries are located

Example URL

https://api.zenithcode.net/stable/subsidiaries?symbol=7203&fiscalPeriod=2026-03

Shown without percent-encoding for readability. Non-ASCII values are encoded automatically when sent.

Parameters

Parameter	Required	Description	Example
`symbol` string	Required	Securities code (4 characters, e.g. 7203 = Toyota Motor; alphanumeric codes such as 130A also work)	`7203`
`fiscalPeriod` string	Optional	Fiscal period (YYYY-MM, e.g. 2026-03 = fiscal year ending March 2026). Defaults to the latest	`2026-03`

Try it

Run it with your own parameters and check the response as a table, JSON or CSV. Sign-in required; each run uses 1 tokens.

travel_exploreTry in the API Viewer

Response example (real data)

lock

Live response examples are shown to signed-in users only (they include exchange data such as stock prices). Sign in to view

Response fields

`symbol`	string
`fiscalPeriod`	string
`period`	string
`docId`	string
`docTypeCode`	string
`submittedAt`	string
`sourceUrl`EDINET原本へのリンク	string	EDINET原本へのリンク
`counts`区分ごとの会社数（category が不明のものは unknown）	object	区分ごとの会社数（category が不明のものは unknown）
`entities`	array

Related APIs

Business segments

/stable/segments

Major facilities (plants, offices, book values)

/stable/facilities

Major shareholders (top 10)

/stable/major-shareholders

FAQ

How many tokens does one call use?expand_more

1 tokens per call, regardless of how many rows come back. Your monthly allowance depends on your plan.

Do I need an account to try it?expand_more

Use the API Viewer to run it with your own parameters. Sign up for free and sign in (no credit card). Each run uses this API's tokens.

Can I get CSV instead of JSON?expand_more

Add format=csv to the URL to get CSV, ready for spreadsheets or pandas.

Can I get labels in English?expand_more

With neither lang nor Accept-Language, labels such as sector names are returned in English; add lang=ja or send Accept-Language: ja for Japanese. Company and sector names are always returned in both languages as nameJa / nameEn and sectorJa / sectorEn. Field names are the same in both languages.