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Every job returned by search or the feed carries an embedded company summary — just id, name, website, and a handful of other fields. The Companies API turns that id into the full picture: funding history, leadership, ratings, press, technologies, acquisitions, and H-1B sponsorship data.

Get a company profile

GET /api/companies/{id} returns the fully enriched CompanyDto — identity, social profiles, headquarters, funding rounds, leadership, third-party ratings, press references, technologies, acquisitions, and H-1B statistics. See the Company object reference for the complete field list.
This endpoint is anonymous. It needs no API key, is unmetered, and is CDN-cached. That’s what makes company.details_url — the link embedded in every job’s company summary — safe to put directly in front of end users: it resolves from a browser with no auth wiring on your side.

List a company’s jobs

GET /api/companies/{id}/jobs returns every job currently posted by one company.
Unlike the profile endpoint, this one requires an API key and is metered per delivered job. page_size maxes out at 100. An unknown or nonexistent company ID returns 200 with an empty jobs array — not a 404 — so check the array length rather than the status code.

Finding a company ID

You don’t look up company IDs directly; you get them from jobs:
  • Every job object’s company.id (see the Job object reference).
  • company.details_url on that same embedded summary points straight at the profile endpoint, so you can link to it without constructing the URL yourself.

What enrichment covers

At a high level, CompanyDto groups into:
  • Identity & social — trade and legal name, description, website, logo, LinkedIn/Crunchbase/GitHub and other social profile URLs.
  • Corporate facts — headquarters, company size, revenue band, operating status, IPO status, ticker symbol.
  • Funding — stage, total raised, investors, and a detailed round-by-round history.
  • People — founders and leadership, plus dated leadership-hire and layoff events.
  • Reputation — third-party ratings (Glassdoor, Indeed, etc.) and press references.
  • Products & technology — the tech stack, products offered, and software in use.
  • Relationships — acquisitions, exits, subsidiaries, and featured-list appearances.
  • H-1B data — sponsorships filed per year and by job title, for US companies.
Every list field defaults to [] and every scalar to null when Jobo doesn’t have the data — an empty list means “unknown,” not “the company has none.” See the Company object reference for the full field-by-field breakdown.

Errors

A missing or malformed company ID returns a standard error envelope — see Errors. Rate limiting on /jobs follows the same rules as the rest of the API; see Rate limits.