API for Current cases and more stuff about COVID-19 and Influenza
Last verified: April 1, 2026
This API requires no authentication — you can start making requests immediately with no sign-up or API key needed.
fetch() in JavaScript, curl in your terminal, or any HTTP client to call the API.No-auth APIs are the easiest to get started with — perfect for learning, prototyping, and building side projects.
This API supports CORS (Cross-Origin Resource Sharing), meaning you can call it directly from browser-based JavaScript applications without running into cross-origin errors.
Open Disease is a free, no-authentication API in the Health category. You can start using it immediately without creating an account or obtaining an API key — just send an HTTP request and receive data back. This API supports HTTPS for secure connections and supports CORS, making it suitable for direct browser-based requests.
Open Disease is a health API that may offer medical information, fitness data, disease databases, drug information, or health tracking capabilities. The specific data depends on the API's focus and regulatory compliance. Always verify health data against official medical sources.
Health APIs source their data from various providers including government health databases, medical literature, and curated datasets. While Open Disease can be useful for building health-related applications, its data should not replace professional medical advice. Always include appropriate disclaimers in your applications.
Health data privacy (HIPAA, GDPR) is important when building health applications. Open Disease as a public API provides general health information rather than personal health records. However, if you collect user health data in your app, ensure your own application complies with relevant regulations. See more in our Health APIs.
Yes, Open Disease is listed as a free public API. It requires no sign-up or API key — you can start making requests immediately. Some APIs have rate limits on their free tier, so check the official documentation for current limits.
Yes! According to our most recent health check (Open Disease's last ping: 2026-04-01 13:42:02), this API is responding normally. We periodically verify all listed APIs to ensure they are still online and functioning.