Job aggregator.
Jobs2Careers API is a free Jobs API that requires apiKey authentication, is served over HTTPS and has unconfirmed CORS support.
The API schema for Talroo Search
Details from docs.talroo.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.
Search 1 billion people profiles across LinkedIn and GitHub for talent sourcing
Job postings tracked as roles open and close, with webhooks on changes, from employer career pages
Jobs with GraphQL
The Jobs2Careers API is provided by Talroo Developer Docs (docs.talroo.com). The API schema for Talroo Search
Yes. The Jobs2Careers API is listed in the Jobs 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 Jobs2Careers API uses apiKey authentication, so you need to register for credentials before making requests.
CORS support for the Jobs2Careers API is unknown. Test a request from the browser, and fall back to a server-side call if it is blocked.
Yes. The Jobs2Careers API is served over HTTPS, so it's safe to use in production.