The simple fact that France provides lots of APIs and open data, including the API BAN (Base adresse nationale) one cited above is a first reference which gives

The simple fact that France provides lots of APIs and open data, including the API BAN (Base adresse nationale) one cited above is a first reference which gives confidence from the perspective of a developer. https://geo.api.gouv.fr/adresse https://geo.api.gouv.fr/adresse https://www.data.gouv.fr/fr https://www.data.gouv.fr/fr But you're right, other countries could do as well, in their language. It's hard to be aware of all the initiatives.