# The upload's file name decides whether it is accepted -- MOCK server file name standup.wav -> ok: 52 chars file name standup.flac -> BadRequestException: 400: mock: Invalid file format. Supported formats: [mp3, mp4, mpeg, mpga, m4a, wav, webm] file name standup -> BadRequestException: 400: mock: Invalid file format. Supported formats: [mp3, mp4, mpeg, mpga, m4a, wav, webm]