Sourced, dated facts on consumer robots and physical AI, licensed CC BY 4.0.
Vuntum API is a free Open Data API that requires no API key, is served over HTTPS and supports CORS, so it can be called from the browser.
A free REST API and MCP server, no key and no sign-up: sample requests, setup for Claude, ChatGPT, Cursor and VS Code, CC BY 4.0 licence.
Details from vuntum.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.
Brazilian company profiles by CNPJ, CNAE establishment counts and municipality coordinates
Official social media handles and identifiers of 155,000+ notable people and organisations
Composite travel-safety scores for 180 countries (FCDO + US State + GPI + WGI + live incident wire), OpenAPI 3.1 spec, CC BY 4.0
The Vuntum API is provided by Vuntum (vuntum.com). A free REST API and MCP server, no key and no sign-up: sample requests, setup for Claude, ChatGPT, Cursor and VS Code, CC BY 4.0 licence.
Yes. The Vuntum API is listed in the Open Data 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 Vuntum API requires no authentication, so you can start making requests without signing up.
Yes. The Vuntum API supports CORS, so front-end JavaScript can call it directly.
Yes. The Vuntum API is served over HTTPS, so it's safe to use in production.