You cannot limit your tag search by language (but you can filter posts by "lang" field)
An example of a POST request:
A GET request example that will return a list of only those search results from a POST query in which the language was specified as Indonesian:
So Data365 Instagram API is a reliable tool for gathering data by location and filtering it by different parameters, including language. We strongly believe that applying this tool will enhance the effectiveness of your business performance.
More information on each type of request or parameter can be found in the documentation here