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Posts: 6
Joined: Tue Jun 06, 2017 7:51 pm

REST search API: language attribute inconsistencies

Tue Jan 10, 2023 10:02 pm

The search API "" takes a "language" query parameter, however it is unclear what values are supported.

Without making it explicit, the documentation makes it sounds like the ISO 639-1 should be used (2 character code, e.g "en" for English, "pt" for Portuguese) - however in some circumstances the API only responds if the BCP-47 code is used (e.g. "en-US" for American English or "pt-BR" for Brazilian Portuguese)

For example

Using ISO 639-1
40+ hits for languages=en ( ... _id=317219)
0 hits for languages=pt ( ... _id=317219)

Using BCP-47
0 hits for languages=en-US ( ... _id=317219)
20+ hits for languages=pt-BR ( ... _id=317219)

We have tested with 3 languages so far. It seems that English & French require a 2-character code, but Portuguese languages requires a BCP-47 code. Not sure about other languages at this point.

It would be great if this could be standardized so the 2-character code can be used for every language.

Posts: 162
Joined: Wed Oct 17, 2018 3:42 pm

Re: REST search API: language attribute inconsistencies

Thu Jan 12, 2023 7:46 am

We do use a logic of 2 digits language when it is not localised, like "en" or "fr", and a 4 digits when it is, like "pt-BR" or "pt-PB"

We use the same logic and fallbacks as the internal localisation code (ruby i18n)

the list of languages can be queried here

as documented here ... -languages

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