Kling Video to Audio

Live

audiosfx

Generate sound effects and/or background music for a video.

Endpoint

POSThttps://brahmand-api.bulletshorts.co/v1/audio/kling-video-to-audio

Authenticate with the X-API-Key request header.

Pricing

4 credits / call1 credit = ₹1. Billed on success: per generation.

List price. Volume / bulk customers get a discounted rate — contact us for account pricing.

Parameters

Name	Type	Required	Description	Default / options
video_url	string	required	Source video to score.	—
sound_effect_prompt	string	optional	Prompt describing desired sound effects.	—
background_music_prompt	string	optional	Prompt describing desired background music.	—
asmr_mode	boolean	optional	Enable ASMR-style audio.	default: `false`
callback_url	string	optional	Webhook URL notified when the task completes.	—

Request

curl

curl -X POST https://brahmand-api.bulletshorts.co/v1/audio/kling-video-to-audio \
  -H "X-API-Key: $TRINETRA_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"video_url":"https://example.com/clip.mp4","sound_effect_prompt":"footsteps on gravel, birds chirping"}'

request body (JSON)

{
  "video_url": "https://example.com/clip.mp4",
  "sound_effect_prompt": "footsteps on gravel, birds chirping"
}

Response

Submitting a job returns 202 Accepted with a job id. Poll GET /v1/jobs/{id} until the job reaches a terminal state, or register a webhook to be notified.

202 Accepted

{
  "job_id": "job_klingvideotoaudio_a1b2c3",
  "status": "queued"
}

GET /v1/jobs/{id} → succeeded

{
  "id": "job_klingvideotoaudio_a1b2c3",
  "model": "kling-video-to-audio",
  "status": "succeeded",
  "output": {
    "outputs": [
      {
        "url": "https://cdn.trinetra.ai/out/kling-video-to-audio/a1b2c3.mp3",
        "type": "audio"
      }
    ]
  },
  "credits_charged": 10
}

Webhook: set a webhook_url on your API key to receive a POST with the terminal job document instead of polling.