How to Choose the Best Health API in 2026
There are 31 Health APIs in our directory. Of these, 17 require no authentication, making them ideal for quick prototyping. 17 are rated beginner-friendly.
Scores last tested: 2026-08-10
Quick Comparison: Top 10 Health APIs
Ranked by API Score. Measured means we called a real endpoint of that API; Est. means the score is derived from metadata because the endpoint could not be called without credentials. Discontinued APIs are excluded.
| Name | API Score | Auth | HTTPS | CORS | Difficulty |
|---|---|---|---|---|---|
| Covid-19 | 92 A+ Est. | No Auth | ✓ | ✓ | Beginner |
| Covid Tracking Project | 88 A Measured | No Auth | ✓ | ✗ | Beginner |
| Infermedica | 87 A Est. | API Key | ✓ | ✓ | Intermediate |
| Covid-19 Government Response | 82 A Est. | No Auth | ✓ | ✓ | Beginner |
| COVID-19 Tracker Canada | 82 A Est. | No Auth | ✓ | ? | Beginner |
| Dataflow Kit COVID-19 | 82 A Est. | No Auth | ✓ | ? | Beginner |
| MyVaccination | 82 A Est. | No Auth | ✓ | ? | Beginner |
| Humanitarian Data Exchange | 79 B Measured | No Auth | ✓ | ? | Beginner |
| CMS.gov | 77 B Est. | API Key | ✓ | ? | Intermediate |
| Coronavirus | 77 B Est. | No Auth | ✓ | ? | Beginner |
Free Health APIs (No Auth)
These APIs require no API key or signup. Start using them immediately.
Coronavirus
This Coronavirus API provides the latest global Covid-19 case counts, deaths, and recoveries aggregated from public health sources.
Coronavirus in the UK
The Coronavirus in the UK API provides official UK Government data on Covid-19 cases, deaths, and vaccinations broken down by region and nation.
Covid Tracking Project
⭐ Beginner's PickThe Covid Tracking Project API provides historical US Covid-19 data including tests, hospitalizations, and deaths at the state and national level.
Covid-19
⭐ Beginner's PickThe Covid-19 API by M-Media Group provides daily case counts, deaths, and recoveries for every country in the world.
Covid-19 Datenhub
The Covid-19 Datenhub is a German ArcGIS-based platform that provides maps, datasets, and applications related to the Covid-19 pandemic.
Covid-19 Government Response
The Covid-19 Government Response API tracks policy measures taken by governments worldwide during the pandemic, such as lockdowns, travel restrictions, and vaccination campaigns.
Try It in 5 Minutes: Coronavirus in the UK
Quick implementation example using Coronavirus in the UK.
Using curl
curl "https://api.ukhsa-dashboard.data.gov.uk/themes/infectious_disease/sub_themes/respiratory_viruses/topics/COVID-19/geography_types/Nation/geographies/England/metrics/COVID-19_deaths_ONSByDay?page_size=5"
JavaScript
const url = "https://coronavirus.data.gov.uk/details/developers-guide";
const response = await fetch(url);
if (!response.ok) throw new Error(`Request failed: ${response.status}`);
const data = await response.json();
console.log(data); New to APIs? Read our Getting Started Guide →
Frequently Asked Questions
How many Health APIs are available?
There are 31 Health APIs in our directory as of 2026.
Are there free Health APIs?
Yes, 17 Health APIs require no authentication and are completely free to use.
What is the easiest Health API to use?
Coronavirus in the UK is one of the easiest to get started with. It is rated as beginner-level and requires no authentication.
Do I need an API key for Health APIs?
It depends. 17 APIs need no authentication, 6 require an API key, and 1 use OAuth.