### Answer
I don't have information about an API that lists which models support IPA (International Phonetic Alphabet) in the available sources. The sources cover supported languages by TTS/ASR provider [(1) ](
) and the List Chats API endpoint [(2) ](
) , but neither mentions IPA support or an API for querying it.
Check out these potentially useful sources: [Supported languages by provider](
) , [List Chats](
)
Would you like a general answer based on my knowledge instead?