Synthesize narration for multiple slides

Batch TTS generation. Per-slide failures return a fallback audio URL rather than failing the whole batch.

POST /api/narration/batch

Synthesize narration for multiple slides

cURL

curl --request POST \
  --url https://app.demand-iq.com/api/narration/batch \
  --header 'Content-Type: application/json' \
  --data '
{
  "sessionId": "<string>",
  "slides": [
    {
      "slideId": "<string>",
      "script": "<string>",
      "voiceId": "<string>"
    }
  ]
}
'

200

{
  "cachedIds": [
    "<string>"
  ],
  "responses": [
    {
      "slideId": "<string>",
      "script": "<string>",
      "audioUrl": "<string>",
      "source": "elevenlabs",
      "wordTimings": [
        {
          "word": "<string>",
          "startTime": 123,
          "endTime": 123
        }
      ]
    }
  ]
}

Body

application/json

sessionId · string · required

slides · object[] · required

Minimum array length: 1

Show child attributes

Response

200

application/json

Narration responses for each slide

cachedIds · string[]

responses · object[]

Show child attributes