Employer Cost API

Employer Cost API

Calculate the true cost-to-employer for any U.S. worker

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Employer Cost API calculates the true cost-to-employer for any U.S. worker. It includes employer payroll taxes (Social Security, Medicare, FUTA, SUTA), workers’ comp, employer-paid benefits, retirement match, PTO cost, and full annual and per-period breakdowns. Designed for HR SaaS, payroll tools, finance apps, and startups that need accurate compensation modeling. Simple JSON output, fast responses, and clean developer experience.

Employer Cost API launches

Launch date
Employer Cost API
Employer Cost APICalculate the true cost-to-employer for any U.S. worker

Launched on November 15th, 2025