Two free, unauthenticated JSON APIs most job-scraping tutorials never mention
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Greenhouse and Lever, two major applicant tracking systems, expose free public JSON APIs that require no authentication or API keys — making them far easier to use than scraping Google Jobs or LinkedIn. The Greenhouse API has a non-obvious quirk: the departments field only appears when you add ?content=true to the request, despite that parameter being documented as fetching full job description HTML. Lever's API uses epoch timestamps in milliseconds for dates while Greenhouse uses ISO 8601 strings, a silent incompatibility that can corrupt dates in a unified pipeline. These gotchas won't throw errors — they silently degrade data quality.