Retrieve recent or notable birding observations within a region.
eBird API is a free Animals API that requires apiKey authentication, is served over HTTPS and does not support CORS, so it should be called from a server.
Welcome to the new eBird API Documentation! The 2.0 APIs are a replacement for 1.1 APIs, which are now retired. All of these APIs (with a few exceptions) will require a key, which is tied to your eBird account. Please sign up for a key on the eBird website. The default response format is JSON unles…
Details from documenter.getpostman.com.

Unified API suite · now live
Geocode an address, validate an email, track a flight or pull stock data with one account, one dashboard and one API key.
The eBird API is provided by eBird API 2.0 (documenter.getpostman.com). Welcome to the new eBird API Documentation! The 2.0 APIs are a replacement for 1.1 APIs, which are now retired. All of these APIs (with a few exceptions) will require a key, which is tied to your eBird account. Please sign up for a key on the eBird website. The default response format is JSON unles…
Yes. The eBird API is listed in the Animals category of the public-apis directory, which only includes APIs that are free or have a free tier. Check its documentation for rate limits and paid plans.
Yes. The eBird API uses apiKey authentication, so you need to register for credentials before making requests.
Not directly. The eBird API does not allow CORS, so call it from a server, serverless function or proxy instead of front-end JavaScript.
Yes. The eBird API is served over HTTPS, so it's safe to use in production.