GET

/v1/schemas/fal/audio/fal-ai/ffmpeg-api/merge-audios

kind inputactivity audiohash 29e40eda…extracted Jul 6, 2026version currentsource upstream spec ↗
fieldrecorded source
schemaSource linked above.
Source trace
08ec07a0b9e210a331acc691370fe1f2eb71507d6bf9bbd1d9e0bbfb057e2851
{
  "fetchedAt": 1783329487,
  "extractorVersion": "1",
  "verifiedAt": null
}

Request body

2 properties · 1 required · 0 $defs
propertytypedescriptionconstraints
audio_urls*string[]List of audio URLs to merge in order. The 0th stream of the audio will be considered as the merge candidate.items ≥ 2 · items ≤ 5
output_formatenumOutput format of the combined audio. If not used, will be determined automatically using FFMPEG. Formatted as codec_sample_rate_bitrate.mp3_22050_32 | mp3_44100_32 | mp3_44100_64 | mp3_44100_96 | mp3_44100_128 | mp3_44100_192 · +13 more · nullable

Validate a payload

before you spend tokens
shell
$ curl -X POST https://modelschemas.com/v1/validate \
    -d '{"provider":"fal","endpointId":"fal-ai/ffmpeg-api/merge-audios","payload":{…}}'
→ {"valid": false, "errors": [{"path": "#", "keyword": "required", …}]}