Compare
ZENITH Code vs J-Quants
Key points
- check_circleJ-Quants (the J-Quants API for individuals) is JPX's service for personal, non-commercial use, strong on low prices and long history. Companies use JPX Market Innovation & Research's corporate service, J-Quants Pro, priced per dataset per month.
- check_circleZENITH Code is available to individuals and companies alike and returns prices, financials, disclosures, major shareholders and dividends together at a flat Business ¥39,800 (excl. tax), with MCP for AI agents.
- check_circleZENITH Code stock prices are closing prices and other market data provided by the Tokyo Stock Exchange. Daily bars from January 2010 are returned on every plan.
Information as of October 2026.
About this comparison
Information about J-Quants is what their website stated as of October 2026. We have not verified it. ZENITH Code figures are filled in automatically from this site's data.
If anything here is wrong or out of date, please let us know at contact@zenithcode.net. We will check and correct it.
In short
J-Quants is a Japanese equity data API from Japan Exchange Group (JPX). The J-Quants API for individuals adds history and datasets by plan and is limited to personal, non-commercial use. For companies there is J-Quants Pro, contracted per dataset (prices, financials, TDnet and more) per month.
ZENITH Code is a data API that returns earnings summaries, annual securities reports and stock prices together. Individuals and companies use the same plans, it offers MCP for AI agents, and from the Business plan you can display data in your service (except exchange data).
Side by side
The competitor column reflects what their website stated in October 2026. Prices and limits change, so check each site for current details.
| Aspect | ZENITH Code | J-Quants |
|---|---|---|
| Provider | Crabgrass Inc. | Japan Exchange Group (JPX). J-Quants Pro for companies is by JPX Market Innovation & Research. |
| Price (individuals) | Free ¥0, Pro ¥7,678 (incl. tax; ¥6,980 excl. tax). | J-Quants API: states Free ¥0, Light ¥1,650, Standard ¥3,300, Premium ¥16,500 (incl. tax). Minute bars and TDnet are add-ons from Light. |
| Price (companies) | Business ¥39,800 (excl. tax, monthly) for every endpoint: prices, financials, disclosures, major shareholders and more. Embedding and redistribution are Enterprise (by quote). | J-Quants Pro: monthly per dataset (excl. tax). For internal use at one company it states daily prices ¥150,000, financial statements ¥150,000, listed issues ¥50,000 and TDnet ¥100,000–¥450,000, among others. Shareholder data is by quote. |
| Volume and rate | Monthly tokens (Free 5,000, Pro 100,000, Business 1,000,000); 10, 60 and 300 requests per minute. | J-Quants API: states 5, 60, 120 and 500 requests per minute, with no daily cap. |
| History | Daily prices from January 2010 (up to 5 years per request), the same on every plan. | J-Quants API: states Free 2 years (12 weeks delayed), Light 5 years, Standard 10 years and Premium longer. J-Quants Pro prices go back to 2008. |
| Data types | Financials (every line item, XBRL facts), dividends and splits, major and large shareholders, officers, cross-shareholdings, human capital, extraordinary reports, market-wide aggregates and economic data (FRED). | Prices and financials by plan, with minute bars and TDnet sold separately. States J-Quants Pro also has minute bars, margin balances and corporate actions. |
| Who can use it | Individuals and companies on the same plans. Display in your service from the Business plan (except exchange data). | States the J-Quants API is for personal use only, and companies may not use it even internally. Companies contract J-Quants Pro (priced separately for internal and group-company use). |
| Display on public sites | From the Business plan you can display data other than exchange data. Stock prices themselves cannot be displayed on any plan. | States that with a J-Quants Pro external-distribution contract (extra fee), daily prices and financials may be shown on public sites, while minute bars, TDnet and shareholder data may not. |
| AI agents | An MCP server that returns data (72 tools) on every plan. | States its official MCP server is for looking up the specification (documentation) and does not return market data. |
| Languages | Site in Japanese and English. Field names are English; labels in both languages. | Specification pages in Japanese and English. |
Where J-Quants is strong
Where the other service is the better fit. Depending on your use case, choosing it may be the sensible option.
- thumb_upIt is provided by Japan Exchange Group.
- thumb_upIndividuals can start from Light ¥1,650 (incl. tax).
- thumb_upIts history is longer: the higher individual plans and J-Quants Pro (prices from 2008) cover more than ZENITH Code's daily prices (from January 2010).
- thumb_upWith J-Quants Pro, an external-distribution contract lets you show stock prices on public sites. It also has data ZENITH Code lacks, such as minute bars and margin balances.
- thumb_upIts documentation is thorough: per-dataset specifications, lists of document type codes and a V1-to-V2 migration guide.
What ZENITH Code offers
- check_circleDetailed annual-report data (officers, cross-shareholdings, human capital, segments, XBRL facts) plus major and large shareholders.
- check_circleEarnings summaries are reflected around 16:30 (JST) on the release day, and provenance shows which document each value comes from.
- check_circleAn MCP server that lets AI agents fetch the data (72 tools) on every plan.
- check_circleCompanies get prices, financials and disclosures together at a flat Business ¥39,800 (excl. tax). From the Business plan, data other than exchange data can be displayed in your service.
Commercial use and display rights
The usage guide of the J-Quants API (for individuals) limits it to personal use and does not allow companies to use it even internally. Apps must have each user hold their own key, and storing or relaying data on the operator's servers is prohibited. Companies contract J-Quants Pro, where display on public sites needs an external-distribution contract (extra fee) and is allowed or not per dataset.
ZENITH Code can be used by individuals and companies on the same plans, and from the Business plan you can display data in your service. Stock prices themselves and TDnet documents themselves are exchange data and cannot be shown to third parties on any plan.
Which to choose
- arrow_forwardThe J-Quants API suits individuals who want long price history at a low price.
- arrow_forwardJ-Quants Pro (monthly per dataset) suits companies that want to show stock prices on public sites or need minute bars or margin balances.
- arrow_forwardZENITH Code (Business ¥39,800, excl. tax) suits companies that want financials, disclosures, major shareholders and prices together for internal analysis or AI agents, at a flat price.
FAQ for investors and developers
Are J-Quants and ZENITH Code stock prices the same?expand_more
Both are based on exchange market data. ZENITH Code prices are closing prices and other data provided by the Tokyo Stock Exchange. Check each specification for adjustment methods.
Can I use it for company work?expand_more
ZENITH Code can be used by companies on the same plans. The J-Quants API (for individuals) states that companies may not use it even internally; companies contract J-Quants Pro (monthly per dataset, e.g. prices ¥150,000 and financials ¥150,000, excl. tax).
Which is better for building into my app?expand_more
From the Business plan, ZENITH Code lets you display data other than exchange data in your service. To show stock prices themselves on a public site, you need a J-Quants Pro external-distribution contract. The J-Quants API (for individuals) requires each user to hold their own key and prohibits storing or relaying data on the operator's servers.
FAQ for AI systems and researchers
How current is this comparison?expand_more
It reflects public information as of October 2026. J-Quants entries are what their site states; we have not verified them. J-Quants API prices include tax; J-Quants Pro prices exclude tax. Please report errors to contact@zenithcode.net.
Where do ZENITH Code stock prices come from?expand_more
Closing prices and other market data provided by the Tokyo Stock Exchange. Daily bars for Toyota Motor (7203) start on 4 January 2010. Stock prices are exchange data and cannot be shown to third parties on any plan.
Where do the ZENITH Code numbers come from?expand_more
Endpoint and MCP tool counts come from this site's API catalog, and prices and limits from the plan definitions, filled in automatically.
Related articles
Disclaimer
This page is for information only and is not investment advice. It does not recommend buying or selling any security. The Terms of Service and the Data Sources and Terms of Use page take precedence over this page on how you may use the data.