GeoDB offers a REST-based global city and region data consumable platform. API operations include determining the distance between cities, finding nearby cities, and support for city autocomplete as well as retrieval of city details, countries, country details, region details, currencies, locales, and time-zones. Developers need to request an API Key. The API uses hypermedia (HATEOAS) for friendly paging results. JSONP is supported as a response format.