MortgageCalculator API

16 mortgage calculators: payment, refinance, APR, rent vs. buy, points and amortization schedules.

MortgageCalculator API is a free Finance API that requires no API key, is served over HTTPS and supports CORS, so it can be called from the browser.

Authentication: None required
HTTPS: Yes
CORS: Yes
Category: Finance
Uptime (30 days): 100%

Visit documentation ↗mortgagecalculator.me

Online · 885 msTested Nov 15, 2026 · checked dailyIs it down? Status & uptime

About MortgageCalculator.me

A free JSON API for all of MortgageCalculator.me's calculators: payments, refinance, APR, rent vs. buy and more.

Provider: MortgageCalculator.me
Website: mortgagecalculator.me ↗

Details from mortgagecalculator.me.

Key facts

No API key needed
100% uptime (30 days)
Callable from the browser (CORS)
HTTPS

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MortgageCalculator API FAQ

Who provides the MortgageCalculator API?

The MortgageCalculator API is provided by MortgageCalculator.me (mortgagecalculator.me). A free JSON API for all of MortgageCalculator.me's calculators: payments, refinance, APR, rent vs. buy and more.

Is the MortgageCalculator API free?

Yes. The MortgageCalculator API is listed in the Finance category of the public-apis directory, which only includes APIs that are free or have a free tier. Check its documentation for rate limits and paid plans.

Does the MortgageCalculator API require an API key?

No. The MortgageCalculator API requires no authentication, so you can start making requests without signing up.

Can I call the MortgageCalculator API from the browser?

Yes. The MortgageCalculator API supports CORS, so front-end JavaScript can call it directly.

Does the MortgageCalculator API support HTTPS?

Yes. The MortgageCalculator API is served over HTTPS, so it's safe to use in production.

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