Best Health APIs (2025)

BetterDoctor API - get detailed information about doctors in your area. API provides end points of; Doctor Search, Specific Doctor Description, Practice Search, List of Doctors in a certain practice, List of Specialities, List of all known conditions, API health check

Access to the data from the CMS - medicare.gov

Logging and retrieving diabetes information. The PredictBGL API allows you to build the power of PredictBGL's diabetes management, coaching and analysis directly into your app. The API provides methods to read and write from PredictBGL securely, so your users can bring all their diabetes data with them to your app. Any changes they make will be saved back to all their computers, tablets and mobile phones. You'll also have access to unique and powerful features such as sharing, prediction and analysis.

Free all-in-one professional-grade API. It will let you connect user’s symptoms and complaints, with test results and doctor’s examination. It not only provides a list of possible diagnoses, and not only taking symptoms on input, as most symptoms checker does, but it also allows you to incorporate test results, and findings of physical examination (i.e. auscultation). It can generate documentation, and billing suggestions (if you are US-based physician) etc…It can provide a differential list of diagnoses, it can suggest next best step for physician (next test to be ordered, the question on history, and physical examination maneuver) and can show why this or that diagnosis is more / less likely. It is still under development, but has already working API and main functionalities. The EndlessMedical API supports COVID-19/SARS-CoV2 information.

Fast Healthcare Interoperability Resources test data.

Influenza-like symptoms with Geo-tracking. Flutrack is a system that detects influenza symptoms by processing and displaying influenza related Twitter messages. Flutrack platform gathers and visualizes tweets every 20 minutes in real time. This open platform and its API allow users and developers to extend this project and take influenza detection to higher levels. The platform could work not only with Twitter but with any data provider.

Educational content about the US Health Insurance Marketplace. People can use the API to embed content from HealthCare.gov. As official content gets updated on HealthCare.gov, the new content will update automatically and appear on websites using the HealthCare.gov API.

human/api is a platform that makes human health data available through a RESTful web service. We make it very easy to securely get a human's current or past health data. The api offers accessing data of types; Blood Pressure, Heart Rate, Sleep, Body Fat, Genetics, BMI, Activity, Height, Blood Glucose, Profile, Weight, Location.

Humanitarian Data Exchange (HDX) is open platform for sharing data across crises and organisations

NLP based symptom checker and patient triage API for health diagnosis from text

SARS-CoV-2 genomic sequences from public sources

NLP that extracts mentions of clinical concepts from text, gives access to clinical ontology. All of Lexigram's technology is built on top of our proprietary knowledge graph that surfaces clinical entities such as drugs, diseases, symptoms and allows you to explore their dynamic relationships. Lexigram provides users with a simple, easy-to-use interface for extracting targeted information from the patient record while preserving the rich contextual data that doctors work so hard to capture.