In this table you can find the fields of the different API versions, extra information and sources.
| field | v2 | v3 | v3.1 | Info |
|---|---|---|---|---|
| alpha2Code / cca2 | v | v | v | ISO 3166-1 alpha-2 two-letter country codes |
| alpha3Code / cca3 | v | v | v | ISO 3166-1 alpha-3 three-letter country codes |
| altSpellings | v | v | v | Alternate spellings of the country name |
| area | v | v | v | Geographical size |
| borders | v | v | v | Border countries |
| callingCodes / idd | v | v | v | International dialing codes |
| capital | v | v | v | Capital cities |
| capitalInfo > latlng | Capital latitude and longitude | |||
| car > signs | v | Car distinguised (oval) signs | ||
| car > side | v | Car driving side | ||
| cioc | v | v | v | Code of the International Olympic Committee |
| coatOfArms | v | MainFacts.com links to svg and png images | ||
| continents | v | List of continents the country is on | ||
| currencies | v | v | v | List of all currencies |
| demonym | v | Inhabitants of the country | ||
| demonyms (m/f) | v | v | Genderized inhabitants of the country | |
| independent | v | v | v | ISO 3166-1 independence status (the country is considered a sovereign state) |
| fifa | v | FIFA code | ||
| flag | v | v | v | v2: Link to the svg flag on Flagpedia, v3: flag emoji |
| flags | v | v | v | Flagpedia links to svg and png flags |
| gini | v | v | v | Worldbank Gini index |
| landlocked | v | v | Landlocked country | |
| languages | v | v | v | List of official languages |
| latlng | v | v | v | Latitude and longitude |
| maps | v | v | v | Link to Google maps and Open Street maps |
| name | v | v | v | Country name |
| name > official/common | v | v | Official and common country name | |
| nativeName | v | v | Native country name | |
| nativeName > official/common | v | v | Official and common native country name | |
| numericCode / ccn3 | v | ISO 3166-1 numeric code (UN M49) | ||
| population | v | v | v | Country population |
| postalCodes > format/regex | Country postal codes | |||
| region | v | v | v | UN demographic regions |
| regionalBlocs | v | |||
| startOfWeek | Day of the start of week (Sunday/Monday) | |||
| status | v | v | ISO 3166-1 assignment status | |
| subregion | v | v | v | UN demographic subregions |
| timezones | v | Timezones | ||
| topLevelDomain / tld | v | v | v | Internet top level domains |
| translations | v | v | v | List of country name translations |
| unMember | v | v | UN Member status |