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The Nexara Speech-to-Text API, particularly the /audio/transcriptions endpoint, accepts file uploads with various MIME types representing common audio and video formats. When sending a file via multipart/form-data, ensure the Content-Type associated with the file part correctly identifies the format. Below is a list of the MIME types currently supported by the API and the common formats they represent: Audio Formats:
  • WAV:
    • audio/wav
    • audio/x-wav
    • audio/wave
  • MP3:
    • audio/mp3
    • audio/mpeg
    • audio/mpg
    • audio/x-mpeg
  • M4A / AAC:
    • audio/x-m4a
    • audio/mp4
    • audio/mp4a-latm
    • audio/mpeg4
    • audio/aac
  • FLAC:
    • audio/flac
  • OGG (Vorbis/Opus):
    • audio/ogg
    • audio/oga
  • Opus:
    • audio/opus
  • AIFF:
    • audio/aiff
    • audio/x-aiff
  • ASF:
    • audio/asf
Video Formats (Audio will be extracted):
  • MP4:
    • video/mp4
  • MOV:
    • video/quicktime
  • AVI:
    • video/x-msvideo
  • MKV:
    • video/x-matroska
Note: If there is a particular MIME type you wish would be supported, please write to the Support team.