Veo 3.1

Live

videogen

Google Veo 3.1 video generation with first/last frame control and audio.

Endpoint

POSThttps://brahmand-api.bulletshorts.co/v1/video/veo-3.1

Authenticate with the X-API-Key request header.

Pricing

52 credits / sec1 credit = ₹1. Billed on success: per second of output.

Price varies by resolution — pass resolution in your request. Credit cost per second:

resolution	credits / sec	vs base
480p	37	0.7×
720p	52	1×
1080p	83	1.6×
4k	130	2.5×

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

Parameters

Name	Type	Required	Description	Default / options
prompt	string	required	Text prompt describing the desired output.	—
image_url	string	optional	Optional start (first) frame image.	—
last_frame_url	string	optional	Optional end (last) frame image (Veo 3.1 interpolation).	—
duration	number	optional	Clip length in seconds (1-8).	default: `8`
aspect_ratio	string	optional	Output aspect ratio.	default: `16:9`
negative_prompt	string	optional	Things to avoid in the output.	—
seed	number	optional	RNG seed (0-4294967295) to bias toward deterministic video.	—
enhance_prompt	boolean	optional	Let Veo LLM-rewrite the prompt.	—
person_generation	string	optional	Allow people in output: dont_allow \| allow_adult \| allow_all.	default: `allow_all`
generate_audio	boolean	optional	Generate audio for the video (Veo 3 family only; ignored on veo-2).	—

Request

curl

curl -X POST https://brahmand-api.bulletshorts.co/v1/video/veo-3.1 \
  -H "X-API-Key: $TRINETRA_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"prompt":"A neon jellyfish drifting through deep water","duration":8}'

request body (JSON)

{
  "prompt": "A neon jellyfish drifting through deep water",
  "duration": 8
}

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_veo31_a1b2c3",
  "status": "queued"
}

GET /v1/jobs/{id} → succeeded

{
  "id": "job_veo31_a1b2c3",
  "model": "veo-3.1",
  "status": "succeeded",
  "output": {
    "outputs": [
      {
        "url": "https://cdn.trinetra.ai/out/veo-3.1/a1b2c3.mp4",
        "type": "video"
      }
    ]
  },
  "credits_charged": 10
}

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