Veridion
US congressional stock-trade disclosures and the President's OGE reports, linked to each filing

Screen names & companies against OFAC, PEP, watchlists & recalls.
Vett API is a free Government API that requires no API key, is served over HTTPS and supports CORS, so it can be called from the browser.
Free public tool to screen any name against 12 databases — OFAC, UK OFSI, UN, EU, FBI, World Bank, PEP, and more. No account required. Powered by Wimberly Solutions APIs. Part of Vett by Wimberly Solutions.
Details from wimberly.solutions.

Unified API suite · now live
Geocode an address, validate an email, track a flight or pull stock data with one account, one dashboard and one API key.
US congressional stock-trade disclosures and the President's OGE reports, linked to each filing
US federal spending data
Live open UK public sector tenders by trade from Find a Tender and Contracts Finder (OGL v3.0)
Point-in-time amendment history for UK law
The Vett API is provided by Vett by Wimberly Solutions (wimberly.solutions). Free public tool to screen any name against 12 databases — OFAC, UK OFSI, UN, EU, FBI, World Bank, PEP, and more. No account required. Powered by Wimberly Solutions APIs. Part of Vett by Wimberly Solutions.
Yes. The Vett API is listed in the Government category of the public-apis directory, which only includes APIs that are free or have a free tier. Check its documentation for rate limits and paid plans.
No. The Vett API requires no authentication, so you can start making requests without signing up.
Yes. The Vett API supports CORS, so front-end JavaScript can call it directly.
Yes. The Vett API is served over HTTPS, so it's safe to use in production.