Question 1

Which is better, adresse.data.gouv.fr or Flight Offers Search?

Accepted Answer

If you need a Geocoding API that's easy to integrate, go with adresse.data.gouv.fr. adresse.data.gouv.fr uses no authentication while Flight Offers Search uses apiKey.

Question 2

What is the main difference between adresse.data.gouv.fr and Flight Offers Search?

Accepted Answer

adresse.data.gouv.fr: Address database of France, geocoding and reverse. Flight Offers Search: 
Before using this API, we recommend you read our **[Authorization Guide](https://developers.amadeus.com/self-service/apis-docs/guides/authorization)** for more information on how to generate an ac.... They differ in authentication (no authentication vs apiKey), HTTPS support (yes vs yes), and CORS (unknown vs unknown).

Question 3

Which Geocoding API is easier to integrate?

Accepted Answer

adresse.data.gouv.fr is easier to integrate because it requires no authentication.

Feature	adresse.data.gouv.fr	Flight Offers Search
Authentication	None	apiKey
HTTPS	Yes	Yes
CORS	Unknown	Unknown

adresse.data.gouv.fr vs Flight Offers Search

adresse.data.gouv.fr

Flight Offers Search

When to use which?