Health & Science APIs

50 Health & Science APIs with verified auth, pricing and rate limits. 17 offer a free tier; 1 document an MCP server. Every field carries the source URL that states it.

API	Category	Auth	Pricing	Free tier	Limits	OpenAPI	MCP	Checked
Sunrise Sunset APIsunrise-sunset.org	Health & Science	no auth	free	✓	✓	✓	n/d	2026-07-12
Climatiqclimatiq.io	Health & Science	Bearer token	freemium	✓	✓	n/d	n/d	2026-07-08
SustainMetricssustainmetrics.net	Health & Science	API key	freemium	✓	✓	n/d	n/d	2026-07-26
Open Disease (disease.sh)disease.sh	Health & Science	no auth	free	✓	n/d	n/d	n/d	2026-07-12
isEven APIisevenapi.xyz	Health & Science	no auth	freemium	✓	n/d	n/d	n/d	2026-07-12
The COVID Tracking Project Data APIcovidtracking.com	Health & Science	no auth	free	✓	n/d	n/d	n/d	2026-07-26
HDX HAPI (Humanitarian Data Exchange / Humanitarian API)humdata.org	Health & Science	other	free	n/d	✓	n/d	n/d	2026-07-26
Nutritionixnutritionix.com	Health & Science	API key	freemium	✓	n/d	n/d	n/d	2026-07-12
OpenAlexopenalex.org	Health & Science	API key	freemium	✓	n/d	n/d	n/d	2026-07-26
Solematicasolematica.it	Health & Science	n/d	free	✓	n/d	n/d	✓	2026-07-26
Arcsecond.ioarcsecond.io	Health & Science	n/d	contact sales	✓	n/d	n/d	n/d	2026-07-26
arXivarxiv.org	Health & Science	n/d	free	✓	n/d	n/d	n/d	2026-07-26
Cure Cancer With AIcurecancerwithai.com	Health & Science	n/d	free	✓	n/d	n/d	n/d	2026-07-12
GBIFgbif.org	Health & Science	n/d	free	✓	n/d	n/d	n/d	2026-07-26
Infermedica APIinfermedica.com	Health & Science	API key	contact sales	n/d	✓	n/d	n/d	2026-07-26
Materials Platform for Data Science (MPDS)mpds.io	Health & Science	n/d	freemium	✓	n/d	n/d	n/d	2026-07-12
Asterank APIasterank.com	Health & Science	no auth	n/d	n/d	n/d	n/d	n/d	2026-07-12
Covid19Indiacovid19india.org	Health & Science	n/d	free	✓	n/d	n/d	n/d	2026-07-26
Longevity World Cuplongevityworldcup.com	Health & Science	no auth	n/d	n/d	n/d	✓	n/d	2026-07-26
Orthanc APIorthanc-server.com	Health & Science	n/d	free	n/d	n/d	n/d	n/d	2026-07-12
Launch Library 2thespacedevs.com	Health & Science	n/d	free	✓	n/d	n/d	n/d	2026-07-12
Energi Data Serviceenergidataservice.dk	Health & Science	n/d	free	n/d	n/d	n/d	n/d	2026-07-12
Website Carbonwebsitecarbon.com	Health & Science	n/d	n/d	✓	n/d	n/d	n/d	2026-07-26
ArcGIS Onlinearcgis.com	Health & Science	n/d	n/d	n/d	n/d	n/d	n/d	2026-07-26
BreezoMeter Pollen (Google Maps Platform Pollen API)breezometer.com	Health & Science	n/d	n/d	n/d	n/d	n/d	n/d	2026-07-12
Cloverlycloverly.com	Health & Science	n/d	n/d	n/d	n/d	n/d	n/d	2026-07-26
CMS.govcms.gov	Health & Science	n/d	n/d	n/d	n/d	n/d	n/d	2026-07-26
CO2 Offsetco2offset.io	Health & Science	n/d	n/d	n/d	n/d	n/d	n/d	2026-07-12
COVID-19 Tracker Canadacovid19tracker.ca	Health & Science	n/d	n/d	n/d	n/d	n/d	n/d	2026-07-12
LAPISethz.ch	Health & Science	n/d	n/d	n/d	n/d	n/d	n/d	2026-07-26
openFDAfda.gov	Health & Science	n/d	n/d	n/d	n/d	n/d	n/d	2026-07-26
GrünstromIndexgruenstromindex.de	Health & Science	n/d	n/d	n/d	n/d	n/d	n/d	2026-07-26
NASA ADSharvard.edu	Health & Science	n/d	n/d	n/d	n/d	n/d	n/d	2026-07-12
COVID-19 Tracker Sri Lankahealth.gov.lk	Health & Science	n/d	n/d	n/d	n/d	n/d	n/d	2026-07-26
IQAiriqair.com	Health & Science	n/d	n/d	n/d	n/d	n/d	n/d	2026-07-26
ITIS (Integrated Taxonomic Information System)itis.gov	Health & Science	n/d	n/d	n/d	n/d	n/d	n/d	2026-07-26
TLE APIivanstanojevic.me	Health & Science	n/d	n/d	n/d	n/d	n/d	n/d	2026-07-26
PM2.5 Open Data Portal (LASS)lass-net.org	Health & Science	n/d	n/d	n/d	n/d	n/d	n/d	2026-07-26
MedlinePlus Geneticsmedlineplus.gov	Health & Science	n/d	n/d	n/d	n/d	n/d	n/d	2026-07-26
National Grid ESOnationalgrideso.com	Health & Science	n/d	n/d	n/d	n/d	n/d	n/d	2026-07-26
NoctuaSky APInoctuasky.com	Health & Science	n/d	n/d	n/d	n/d	n/d	n/d	2026-07-26
Numbers APInumbersapi.com	Health & Science	n/d	n/d	n/d	n/d	n/d	n/d	2026-07-26
Covid-19 JHU CSSEnuttaphat.com	Health & Science	n/d	n/d	n/d	n/d	n/d	n/d	2026-07-26
OpenAQopenaq.org	Health & Science	n/d	n/d	n/d	n/d	n/d	n/d	2026-07-12
Covid-19 Government Responseox.ac.uk	Health & Science	n/d	n/d	n/d	n/d	n/d	n/d	2026-07-26
Coronaviruspipedream.com	Health & Science	n/d	n/d	n/d	n/d	n/d	n/d	2026-07-26
PM25.inpm25.in	Health & Science	n/d	n/d	n/d	n/d	n/d	n/d	2026-07-26
SpaceX APIspacex.land	Health & Science	n/d	n/d	n/d	n/d	n/d	n/d	2026-07-12
WikiPathways Webserviceswikipathways.org	Health & Science	n/d	n/d	n/d	n/d	n/d	n/d	2026-07-12
World Bankworldbank.org	Health & Science	n/d	n/d	n/d	n/d	n/d	n/d	2026-07-26