Deutscher Bundestag DIP
This API provides read access to DIP entities (e.g. activities, persons, printed material)
US congressional & executive-branch stock trade disclosures (STOCK Act + OGE).
Disclosed Capitol API is a free Government API that requires apiKey authentication, is served over HTTPS and does not support CORS, so it should be called from a server.
Every STOCK Act trade and disclosure as clean JSON. Pay-as-you-go credits, Python/JS/Go examples. Get an API key in 60 seconds.
Details from disclosedcapitol.com.

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.
This API provides read access to DIP entities (e.g. activities, persons, printed material)
Contains D.C. government public datasets, including crime, GIS, financial data, and so on
Contains live datasets including information about petitions, bills, MP votes, attendance and more
US Government Data
The Disclosed Capitol API is provided by Disclosed Capitol (disclosedcapitol.com). Every STOCK Act trade and disclosure as clean JSON. Pay-as-you-go credits, Python/JS/Go examples. Get an API key in 60 seconds.
Yes. The Disclosed Capitol 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.
Yes. The Disclosed Capitol API uses apiKey authentication, so you need to register for credentials before making requests.
Not directly. The Disclosed Capitol API does not allow CORS, so call it from a server, serverless function or proxy instead of front-end JavaScript.
Yes. The Disclosed Capitol API is served over HTTPS, so it's safe to use in production.