Rates and Limits JSON API
Keyless, unauthenticated REST-style JSON API serving US tax, payroll, benefits, and wage figures with bundled provenance. Includes a self-describing catalog (index.json) and a bulk current-figures endpoint (latest.json).
Keyless, unauthenticated REST-style JSON API serving US tax, payroll, benefits, and wage figures with bundled provenance. Includes a self-describing catalog (index.json) and a bulk current-figures endpoint (latest.json).
Every API here is available over the APIs.io API and to AI agents over MCP.