This api returns list of languages which can be used for searching subtitles: https://api.opensubtitles.com/api/v1/infos/languages There is no "az" language in this list. But this query (with parameter languages=az) returns subtitles: https://api.opensubtitles.com/api/v1/subtitles?tmdb_id=...

In new API for downloadind subtitles we can sort result by download_count or new_download_count: https://opensubtitles.stoplight.io/docs/opensubtitles-api/a172317bd5ccc-search-for-subtitles I suppose that: download_count = count of downloads by old API, new_download_count = count of downloads by new...

In the old API there are 2 methods for searching movies by file hashcode: https://trac.opensubtitles.org/projects/opensubtitles/wiki/XMLRPC#CheckMovieHash https://trac.opensubtitles.org/projects/opensubtitles/wiki/XMLRPC#CheckMovieHash2 In new API there is no similar method, but I can emulate it wit...