GET

/v1/schemas/elevenlabs/audio/v1/text-to-speech/{voice_id}/with-timestamps?kind=output

kind outputactivity audiohash 1e2d3b9d…extracted Jul 6, 2026version currentsource upstream spec ↗
fieldrecorded source
schemaSource linked above.
Source trace
56793d52b38081086c43910ec1916ff4bb286322250511820c239e4f46831396
{
  "fetchedAt": 1783328734,
  "extractorVersion": "1",
  "verifiedAt": null
}

Response body

3 properties · 1 required · 1 $defs
propertytypedescriptionconstraints
audio_base64*stringBase64 encoded audio data
alignmentCharacterAlignmentResponseModelTimestamp information for each character in the original textnullable
normalized_alignmentCharacterAlignmentResponseModelTimestamp information for each character in the normalized textnullable

Types

1 $defs

CharacterAlignmentResponseModelobject

characters*string[]
character_start_times_seconds*number[]
character_end_times_seconds*number[]

Validate a payload

before you spend tokens
shell
$ curl -X POST https://modelschemas.com/v1/validate \
    -d '{"provider":"elevenlabs","endpointId":"v1/text-to-speech/{voice_id}/with-timestamps","payload":{…}}'
→ {"valid": false, "errors": [{"path": "#", "keyword": "required", …}]}