
Forward and reverse geocoding using open data.
OpenCage API is a free Geocoding API that requires apiKey authentication, is served over HTTPS and supports CORS, so it can be called from the browser.
Easy-to-use forward and reverse geocoding API. Worldwide coverage. Affordable, predictable pricing. GDPR-compliant, made with open data, and trusted by thousands of developers
Details from opencagedata.com.

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Geocode an address, validate an email, track a flight or pull stock data with one account, one dashboard and one API key.
The OpenCage API is provided by OpenCage (opencagedata.com). Easy-to-use forward and reverse geocoding API. Worldwide coverage. Affordable, predictable pricing. GDPR-compliant, made with open data, and trusted by thousands of developers
Yes. The OpenCage API is listed in the Geocoding 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 OpenCage API uses apiKey authentication, so you need to register for credentials before making requests.
Yes. The OpenCage API supports CORS, so front-end JavaScript can call it directly.
Yes. The OpenCage API is served over HTTPS, so it's safe to use in production.