2026 Tax Figures API API
Overview
Every 2026 US retirement and tax figure in one place — 401(k), IRA, HSA and FSA limits, IRA phase-outs, federal brackets, the Social Security wage base and COLA, Medicare premiums and IRMAA, and RMD ages. Free JSON endpoint, each figure sourced.
2026 Tax Figures API is a finance API. It needs no API key. It is served over HTTPS.
At a glance
- Authentication
- No auth
- HTTPS
- Yes
- CORS
- Unknown
- Category
- Finance
Questions
Does the 2026 Tax Figures API API need an API key?
No. The 2026 Tax Figures API API can be called without an API key or sign-up, which makes it handy for prototypes and front-end demos.
Does the 2026 Tax Figures API API support HTTPS?
Yes, the 2026 Tax Figures API API is served over HTTPS.
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