sec-api.dev vs OpenInsider.
Which is better, sec-api.dev or OpenInsider?
A free website for screening Form 4 insider trades; it links no API. sec-api.dev offers the same SEC insider data as an API, an MCP tool and per-company pages.
- You want ready-made screens (cluster buys, CEO purchases) in a browser and no code.
- You need insider transactions in code or an agent: JSON with codes, footnotes and source URLs.
- You want quarterly SEC data set totals and exact filters.
Side by side
| OpenInsider | sec-api.dev | Source | |
|---|---|---|---|
| Product | Website screener with lists, filters and charts | REST API, MCP tool and insider pages per company and insider | Vendor page |
| API | None linked from the site (we could not confirm the terms page) | /api/v1/insider-transactions and /api/v1/insider-trades | Vendor page |
| Source | “Data provided by sec.gov” | SEC insider transactions data sets and Form 4 XML | Vendor page |
| Price | Free website | Explore free (1,000 requests/month), Builder $29/month (50,000), Scale $99/month (250,000) | — |
Questions
Is sec-api.dev cheaper than OpenInsider?
OpenInsider: Free website. sec-api.dev: Explore free, Builder $29/month, Scale $99/month. Compare by the calls and datasets you need, not the sticker price.
Can I switch from OpenInsider?
Map the endpoints you use to ours in the API reference, run both side by side on a sample of tickers, and compare outputs field by field before switching. Our free plan is enough for that test.
All comparisons · Pricing · API reference
Plain-text version for agents and LLMs: /compare/openinsider.md
Independent. Not affiliated with, endorsed by, or sponsored by the U.S. Securities and Exchange Commission. Data is reproduced from public SEC filings and datasets. Not investment advice.