Best Health APIs in 2026

The top 15 of 47 free Health APIs, ranked by how easy they are to start with (API key, HTTPS, CORS), how reliable they are in our daily health checks, and what developers rate them. FindSaunaPlunge API takes the top spot.

Last tested Oct 24, 2026 · Rankings update daily

1
FindSaunaPlunge API
Online · 502 ms
US cold plunge and sauna venues with dated, source-quoted temperatures and prices.
- No API key needed
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS
2
Longevity World Cup API
Online · 975 ms
Public biological age competition data with biomarkers and rankings.
- No API key needed
- Returns JSON at its URL
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS
3
Open Disease API
Online · 848 ms
API for Current cases and more stuff about COVID-19 and Influenza.
- No API key needed
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS
4
Open Targets API
Online · 779 ms
Gene-disease-drug target associations. A free health API by Open Targets Platform.
- No API key needed
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS
5
Covid-19 Government Response API
Online · 1078 ms
Government measures tracker to fight against the Covid-19 pandemic.
- No API key needed
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS
6D
DeepDNA API
Online · 783 ms
Cited gene, variant and CPIC drug-gene lookups for developers and AI agents.
- No API key needed
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS
7
RxNorm API
Online · 769 ms
Normalized drug names, RxCUIs and NDC codes.
- No API key needed
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS
8
Covid-19 API
Online · 1354 ms
Covid 19 cases, deaths and recovery per country.
- No API key needed
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS
9C
Covid-19 JHU CSSE API
Online · 772 ms
Open-source API for exploring Covid19 cases based on JHU CSSE.
- No API key needed
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS
10
Covid-19 Live Data API
Online · 1267 ms
Global and countrywise data of Covid 19 daily Summary, confirmed cases, recovered and deaths.
- No API key needed
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS
11
Covid-19 Philippines API
Online · 1264 ms
Unofficial Covid-19 Web API for Philippines from data collected by DOH.
- No API key needed
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS
12T
THC Open Mindfulness Resources API
Online · 829 ms
Free mindfulness resources and research metadata.
- No API key needed
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS
13U
Urgences Québec API
Online · 795 ms
Hourly emergency room occupancy, stretcher counts and wait times for every hospital in Quebec, Canada.
- No API key needed
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS
14
Coronavirus API
Online · 875 ms
HTTP API for Latest Covid-19 Data.
- No API key needed
- HTTPS
No authHTTPSCORS ?
15
Coronavirus in the UK API
Online · 933 ms
UK Government coronavirus data, including deaths and cases by region.
- No API key needed
- HTTPS
No authHTTPSCORS ?

Health APIs compared

Top Health APIs compared
API	API key	HTTPS	CORS	Uptime	Response	Rating
FindSaunaPlunge	No	Yes	Yes	Up	502 ms	Not rated
Longevity World Cup	No	Yes	Yes	Up	975 ms	Not rated
Open Disease	No	Yes	Yes	Up	848 ms	Not rated
Open Targets	No	Yes	Yes	Up	779 ms	Not rated
Covid-19 Government Response	No	Yes	Yes	Up	1078 ms	Not rated
DeepDNA	No	Yes	Yes	Up	783 ms	Not rated
RxNorm	No	Yes	Yes	Up	769 ms	Not rated
Covid-19	No	Yes	Yes	Up	1354 ms	Not rated
Covid-19 JHU CSSE	No	Yes	Yes	Up	772 ms	Not rated
Covid-19 Live Data	No	Yes	Yes	Up	1267 ms	Not rated

More Health APIs

Best Health API FAQ

What is the best free Health API in 2026?

Based on access, reliability and developer ratings, the top free Health APIs right now are FindSaunaPlunge API, Longevity World Cup API and Open Disease API. FindSaunaPlunge API ranks first. Rankings update daily from health checks of all 47 Health APIs in the directory.

What is the best Health API without an API key?

FindSaunaPlunge API, Longevity World Cup API and Open Disease API need no API key, so you can call them without signing up. 33 of the 47 ranked Health APIs are keyless.

Which Health API works from the browser?

FindSaunaPlunge API, Longevity World Cup API and Open Disease API support CORS over HTTPS, so front-end JavaScript can call them directly without a proxy.

How are these APIs ranked?

Each API gets a score from: no API key (+), HTTPS (+), CORS support (+), 30-day uptime and response time from our daily health checks, and ratings from developers on this site. APIs that failed three checks in a row are left out until they recover.