public apis
/
CategoriesMCPBlogRandomStar
Public APIs

A searchable directory of 2,000+ free public APIs, curated by the community and maintained with APILayer.

Powered byAPILayer

Popular

  • Weather APIs
  • Finance APIs
  • Crypto APIs
  • Geocoding APIs
  • Machine learning APIs
  • Games APIs

Directory

  • Categories
  • All APIs
  • MCP servers
  • FAQ
  • Stats
  • JSON API
  • llms.txt

APILayer

  • Browse the API suite ↗
  • Get a free API key ↗
  • APILayer blog ↗
  • Postman collection ↗
  • Discord community ↗

Project

  • public-apis on GitHub ↗
  • Contribute an API ↗
Public APIs · by APILayerData from public-apis (MIT)
  1. Home
  2. /Finance
  3. /US Mortgage Calculator
Finance
US Mortgage Calculator logo

US Mortgage Calculator

Mortgage payment, amortization, affordability and 50-state property tax data.

US Mortgage Calculator 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
Visit documentation ↗www.usmortgagecalc.com

About US Mortgage Calculator

Free mortgage calculation REST API. Eleven JSON endpoints covering payments, amortization, affordability, refinance, closing costs and 50-state property tax data. No key required.

Provider
US Mortgage Calculator
Website
usmortgagecalc.com ↗

Details from usmortgagecalc.com.

APILayer

Unified API suite · now live

Geocode an address, validate an email, track a flight or pull stock data with one account, one dashboard and one API key.

Get your free API key→Free tier on every API

US Mortgage Calculator API alternatives

U

Undertow

Public market-depth and sized exit estimates, not executable quotes

No authHTTPSCORS
VAT Validation logo

VAT Validation

Validate VAT numbers and calculate VAT rates

apiKeyHTTPSCORS
Twelve Data logo

Twelve Data

Stock market data (real-time & historical)

apiKeyHTTPSCORS ?
VoxOdds logo

VoxOdds

Polymarket and Kalshi odds, all-in executable quotes, EV checks and audited forecast scores

No authHTTPSNo CORS
Tradier logo

Tradier

US equity/option market data (delayed, intraday, historical)

OAuthHTTPSCORS
WallstreetBets logo

WallstreetBets

WallstreetBets Stock Comments Sentiment Analysis

No authHTTPSCORS ?

US Mortgage Calculator API FAQ

Who provides the US Mortgage Calculator API?

The US Mortgage Calculator API is provided by US Mortgage Calculator (usmortgagecalc.com). Free mortgage calculation REST API. Eleven JSON endpoints covering payments, amortization, affordability, refinance, closing costs and 50-state property tax data. No key required.

Is the US Mortgage Calculator API free?

Yes. The US Mortgage Calculator 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 US Mortgage Calculator API require an API key?

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

Can I call the US Mortgage Calculator API from the browser?

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

Does the US Mortgage Calculator API support HTTPS?

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