# sec-api.dev vs OpenInsider

Canonical: https://sec-api.dev/compare/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.

Checked 2026-11-09.

## Choose OpenInsider when

- You want ready-made screens (cluster buys, CEO purchases) in a browser and no code.

## Choose sec-api.dev when

- 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.

|  | OpenInsider | sec-api.dev | Source |
| --- | --- | --- | --- |
| Product | Website screener with lists, filters and charts | REST API, MCP tool and insider pages per company and insider | http://openinsider.com/ |
| API | None linked from the site (we could not confirm the terms page) | /api/v1/insider-transactions and /api/v1/insider-trades | http://openinsider.com/ |
| Source | “Data provided by sec.gov” | SEC insider transactions data sets and Form 4 XML | http://openinsider.com/ |
| Price | Free website | Explore free (1,000 requests/month), Builder $29/month (50,000), Scale $99/month (250,000) |  |

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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.
API: https://sec-api.dev/docs · ChatGPT app: https://chatgpt.com/plugins/plugin_asdk_app_6ae0ef2436ac8191941dae8a4d732669 · Free key: https://sec-api.dev/sign-up