Developer Tools
FinBridge
Last updated 2026-08-30 · benchmark measured 2026-10-22 — deterministic & reproducible
FinBridge provides Korean and U.S. stock market data through a single API connection.
FinBridge at a glance
FinBridge is a financial-data service that gives investors and AI agents access to Korean and U.S. company filings, financial statements, insider trades, and 13F holdings through a web interface or MCP tools.
Good for
- Individual investors researching Korean DART filings and financial statements
- AI agents or assistants (e.g. Claude, ChatGPT) needing structured company data via MCP tools
- Users tracking insider trades and 13F institutional holdings
Pricing
Free: 10 calls/day (4 yrs history). Pro: $99/yr founding price (renews $150), or $20/mo, 5,000 calls/day. Enterprise: from $500/mo, 50,000 calls/day, custom quote.
Questions people ask
What kind of data does FinBridge provide?
It provides Korean DART filings, financial statements, insider trades, and 13F holdings, with English fact summaries, accessible on the web or through MCP tools for AI agents like Claude or ChatGPT.
Is there a free plan?
Yes, the free plan gives 10 calls a day and covers the last 4 fiscal years of DART filings and financials, for personal use only.
Does FinBridge include live stock prices?
No, price and price-trend delivery is currently paused; filings, financial statements, insider trades, and 13F data remain available.
How much does the Pro plan cost?
Pro costs $99 for the first year (a founding price available until 31 Oct 2026, renewing at $150/year) or $20 billed monthly, with 5,000 calls per day and full reported history.
Who needs the Enterprise plan?
Any business use, including sole proprietors, requires the Enterprise plan, which starts at $500 per month with a custom quote and 50,000 calls per day.
Written by Legit.Show from gronox.kr on 2026-09-30. It does not change the score.
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To cite this score: legit.show/s/gronox-kr/2026-10-22. That address never changes; this page moves with every re-measure.
Legit.Show scored FinBridge 97/100 on 2026-10-22, measured across all 7 frames from its public surface. legit.show/s/gronox-kr/2026-10-22
Is FinBridge production-ready?
Legit.Show scores FinBridge 97 out of 100 — the simple average of its 7 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on FinBridge (public-surface assessment), measured from the public surface with no LLM in the scoring path. Its strongest frame is Security; its weakest is Standards. Every frame it averages is published with its evidence on the Legit.Show listing.
The 7 Frames
- Performance — 99/100
- Accessibility — 91/100
- Security — 100/100How this compares across the catalogue: The Web Security Baseline
- Privacy — 100/100How this compares across the catalogue: The Privacy Gap
- Reliability — 100/100
- Standards — 86/100
- Discoverability — 100/100
What we measured
- Security headers present: CSP, HSTS, X-Frame-Options, X-Content-Type-Options, Referrer-Policy.
- Served over HTTPS with a valid certificate.
- Real Lighthouse performance run — 530 ms to first byte.
- Returns a proper 404 for unknown routes.
- 3 of 3 sampled routes reachable.
- Has a reachable privacy policy.
- Sets cookies / loads scripts with no consent prompt.
- Discoverable: structured data, sitemap, OpenGraph image, canonical URL.
Who it's for
Individual investors · AI agents · Strategy screeners · Teams · Product integrations
Pricing
Free tier with 100 calls/day; Starter $10/mo (300 calls/day); Pro $30/mo (5000 calls/day); Enterprise custom quote (50,000 calls/day)
Sources and updates
- Description
- Taken from gronox.kr's own website on 2026-08-30.
- Operator
- Gronox, as named in gronox.kr's terms, privacy page or footer.
- Benchmark
- Measured by Legit.Show from the live site, the way any visitor sees it — with no access to its code or accounts. Same method for every product, and no AI decides the score. Last checked 2026-10-22.
Put together from public information, without FinBridge's involvement. If anything here is wrong, tell us and a person will check it.
Visit FinBridge → · Alternatives to FinBridge → · How this was measured →