Cheaper Gen.

Vidu Q3 Turbo API reference

Everything you need to call Vidu Q3 Turbo from your code. Base URL https://cheapergen.com/api/v1. Try it first in the playground.

Authentication

Create a key in Dashboard → API keys and send it as a bearer token. Keep keys server-side.

export CHEAPERGEN_API_KEY="cg_live_…"

# every request
Authorization: Bearer $CHEAPERGEN_API_KEY

Vidu Q3 Turbo Text to Video API

POST/api/v1/run/shengshu/vidu-q3-turbo/text-to-video

Submits an asynchronous job and returns 202 with a generation id. Poll GET /api/v1/generations/{id} or pass webhook_url. See job lifecycle.

Input parameters

NameTypeDescriptionAffects price
promptrequiredstringDescribe the shot: subject, action, camera movement, lighting and style.No
aspect_ratiostring (enum)Output frame shape.
Values: 16:9 · 9:16 · 1:1 · 4:3 · 3:4
Default: 16:9
Yes
resolutionstring (enum)Output resolution. Higher resolutions cost more per second.
Values: 540p · 720p · 1080p
Default: 720p
Yes
durationintegerLength of the generated clip in seconds (1–16s). You pay per second.
Range: 1–16s
Default: 5
Yes
generate_audiobooleanGenerate synchronized dialogue and sound effects. Included in the price.
Default: true
No
seedintegerUse the same seed and settings to reproduce a result. Leave empty for random.No
webhook_urlstring (URL)Optional. We POST the finished generation here, signed with your webhook secret. WebhooksNo

Request

curl -X POST https://cheapergen.com/api/v1/run/shengshu/vidu-q3-turbo/text-to-video \
  -H "Authorization: Bearer $CHEAPERGEN_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "prompt": "An anime-style girl on a rooftop at sunset, her scarf blowing in the wind, city lights flicking on below",
  "aspect_ratio": "16:9",
  "resolution": "720p",
  "duration": 5
}'

Response

{
  "id": "gen_8c2QmX1nq0k4",
  "object": "generation",
  "model": "shengshu/vidu-q3-turbo",
  "endpoint": "shengshu/vidu-q3-turbo/text-to-video",
  "mode": "text-to-video",
  "status": "queued",
  "input": {
    "prompt": "An anime-style girl on a rooftop at sunset, her scarf blowing in the wind, city lights flicking on below",
    "aspect_ratio": "16:9",
    "resolution": "720p",
    "duration": 5
  },
  "output": null,
  "error": null,
  "cost": {
    "amount_usd": 0.2255,
    "currency": "usd",
    "estimated": true,
    "official_usd": null,
    "saved_usd": null
  },
  "source": "api",
  "started_at": null,
  "completed_at": null,
  "urls": {
    "get": "https://cheapergen.com/api/v1/generations/gen_8c2QmX1nq0k4",
    "cancel": "https://cheapergen.com/api/v1/generations/gen_8c2QmX1nq0k4/cancel"
  },
  "created_at": "2026-10-15T09:21:04Z"
}

Vidu Q3 Turbo Image to Video API

POST/api/v1/run/shengshu/vidu-q3-turbo/image-to-video

Submits an asynchronous job and returns 202 with a generation id. Poll GET /api/v1/generations/{id} or pass webhook_url. See job lifecycle.

Input parameters

NameTypeDescriptionAffects price
promptrequiredstringDescribe the shot: subject, action, camera movement, lighting and style.No
image_urlrequiredstring (URL)Image used as the opening frame. JPG/PNG/WebP, URL or upload.No
end_image_urlstring (URL)Optional closing frame — the model animates between the two.No
resolutionstring (enum)Output resolution. Higher resolutions cost more per second.
Values: 540p · 720p · 1080p
Default: 720p
Yes
durationintegerLength of the generated clip in seconds (1–16s). You pay per second.
Range: 1–16s
Default: 5
Yes
generate_audiobooleanGenerate synchronized dialogue and sound effects. Included in the price.
Default: true
No
seedintegerUse the same seed and settings to reproduce a result. Leave empty for random.No
webhook_urlstring (URL)Optional. We POST the finished generation here, signed with your webhook secret. WebhooksNo

Request

curl -X POST https://cheapergen.com/api/v1/run/shengshu/vidu-q3-turbo/image-to-video \
  -H "Authorization: Bearer $CHEAPERGEN_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "prompt": "The character turns and waves as cherry petals drift past; gentle camera orbit",
  "image_url": "https://cdn.cheapergen.ai/samples/portrait.jpg",
  "resolution": "720p",
  "duration": 5
}'

Response

{
  "id": "gen_8c2QmX1nq0k4",
  "object": "generation",
  "model": "shengshu/vidu-q3-turbo",
  "endpoint": "shengshu/vidu-q3-turbo/image-to-video",
  "mode": "image-to-video",
  "status": "queued",
  "input": {
    "prompt": "The character turns and waves as cherry petals drift past; gentle camera orbit",
    "image_url": "https://cdn.cheapergen.ai/samples/portrait.jpg",
    "resolution": "720p",
    "duration": 5
  },
  "output": null,
  "error": null,
  "cost": {
    "amount_usd": 0.2255,
    "currency": "usd",
    "estimated": true,
    "official_usd": null,
    "saved_usd": null
  },
  "source": "api",
  "started_at": null,
  "completed_at": null,
  "urls": {
    "get": "https://cheapergen.com/api/v1/generations/gen_8c2QmX1nq0k4",
    "cancel": "https://cheapergen.com/api/v1/generations/gen_8c2QmX1nq0k4/cancel"
  },
  "created_at": "2026-10-15T09:21:04Z"
}

Get the result

Generations are asynchronous. Poll until status is succeeded, failed or canceled — or pass webhook_url when you submit. Failed generations are refunded automatically.

curl https://cheapergen.com/api/v1/generations/gen_8c2QmX1nq0k4 \
  -H "Authorization: Bearer $CHEAPERGEN_API_KEY"

More: job lifecycle · webhooks · errors

Vidu Q3 Turbo pricing

Pay per second of video. No subscription. Failed generations are refunded automatically.

TierOfficial priceCheaper Gen.
540p
audio included
$0.035/s$0.033/s
720p
audio included
$0.055/s$0.052/s
1080p
audio included
$0.065/s$0.062/s
  • Official price: Vidu API list price for viduq3-turbo at $0.005 per credit (540p 7 credits = $0.035 / s, 720p 11 = $0.055, 1080p 13 = $0.065; audio included). Prices verified 2026-10-16.