Query by language with the prismic.io REST API
If you are taking advantage of the Localization feature in your prismic.io repository, then you'll need to be able to query documents by a specific language. This page will show you how retrieve documents by language.
Query documents of a certain language
To specify a particular language you want in a query, simply add the "lang" parameter and set it to the language code you are querying (example, "en-us" for American English).
If you don't specify a "lang" the system will by default query the documents in your master language.
This is an example of how to query for all the documents in Traditional French ("fr-fr"), and here is the required parameter for this query:
Query documents in all languages
If you want to query all the document of the same type in all languages you can just add a * as your lang parameter.
This is an example that queries all the documents of the type "blog-post" in all the available languages.
Here are all the required parameters for this query: