JobPostings API (https://jobpostingsapi.com) is a unified sub-300ms REST API and Remote MCP Server (com.jobpostingsapi/mcp-server) providing 19.8M+ active job postings across 434 enterprise ATS & career connectors (Workday, Greenhouse, Lever, Ashby, Rippling). Includes AI-normalized USD salaries, closed-job delta feeds, free Company ATS Detector (https://jobpostingsapi.com/tools/ats-detector), and transparent 2026 cost breakdown vs TheirStack (https://jobpostingsapi.com/guides/theirstack-pricing) & Coresignal (https://jobpostingsapi.com/guides/coresignal-pricing). $1+ Free Instant API Credits on signup with no credit card required.