About Seedance 1.5 Pro Plus
Seedance 1.5 Pro image-to-video with a camera lock.
Call it with the model name bytedance/seedance-1.5-pro-plus/image-to-video on POST /jobs/createTask, from $0.06.
Request parameters
| Parameter | Required | Description |
|---|---|---|
aspect_ratio | No | The shape of the frame: wide, square or tall. 21:9 · 16:9 · 4:3 · 1:1 · 3:4 · 9:16 · adaptive · Default: adaptive |
camera_fixed | No | Locks the camera so only the subject moves. Default: false |
duration_seconds | No | How long the clip runs. You pay per second. ≥ 4 · ≤ 12 · Default: 5 |
generate_audio | No | Adds sound made to match the picture: voices, ambience and effects. Default: true |
image_url | Yes | The picture to start from. |
last_image_url | No | Optional final frame, so the clip ends exactly where you want. |
prompt | No | The positive prompt for the generation. |
resolution | No | Output size. Bigger sizes look sharper and cost more. 480p · 720p · 1080p · Default: 720p |
seed | No | Reuse the same number to get a repeatable result. ≥ 0 · ≤ 2147483647 |
Pricing
Prices are in USD. The API uses a separate USD balance. Website credits cannot be used or transferred to it, and API funds cannot be transferred to website credits. When a task is accepted, we reserve the maximum quoted amount from your API balance. On completion, we charge for actual usage, never more than the hold, and release the remainder. If the task fails, the hold is released.
| Option | USD per second |
|---|---|
| generate_audio false · resolution 480p | $0.012 |
| generate_audio true · resolution 480p | $0.024 |
| generate_audio false · resolution 720p | $0.026 |
| generate_audio false · resolution 1080p | $0.052 |
| generate_audio true · resolution 720p | $0.052 |
| generate_audio true · resolution 1080p | $0.104 |
Send the same request body to POST /jobs/quote to see the estimated and maximum USD charge before running. A quote does not run the task or charge your balance.
API quick start
Call the Seedance 1.5 Pro Plus API in three steps
- Create an API key. Sign in to PopNow and create a key in the API console. Keys start with sk-popnow-. API calls use your separate USD balance.
- Send the request. POST /jobs/createTask with model bytedance/seedance-1.5-pro-plus/image-to-video and an input object that follows the parameter table. The response returns a task ID straight away.
- Get the result. Poll GET /jobs/recordInfo with the task ID, or pass a callBackUrl and we post the result to it. Download the output links when the task succeeds.
# 1. Create the task. Keep the Idempotency-Key if you retry after a network error.
export IDEMPOTENCY_KEY="$(uuidgen)"
curl -X POST https://api.popnow.ai/api/v1/jobs/createTask \
-H "Authorization: Bearer $POPNOW_API_KEY" \
-H "Content-Type: application/json" \
-H "Idempotency-Key: $IDEMPOTENCY_KEY" \
-d '{
"model": "bytedance/seedance-1.5-pro-plus/image-to-video",
"input": {
"image_url": "https://media.popnow.ai/influencer/examples/marco.webp",
"aspect_ratio": "adaptive",
"duration_seconds": 5,
"resolution": "720p",
"generate_audio": true
}
}'
# 2. Copy data.taskId from the response, then poll until state is succeeded, failed, canceled or expired.
TASK_ID="TASK_ID_FROM_RESPONSE"
curl "https://api.popnow.ai/api/v1/jobs/recordInfo?taskId=$TASK_ID" \
-H "Authorization: Bearer $POPNOW_API_KEY"Replace the prompt and any links with your own. The API tab has the response, polling and callback reference.
Seedance 1.5 Pro Plus API questions
How much does the Seedance 1.5 Pro Plus API cost?
Seedance 1.5 Pro Plus starts at $0.06 for a 5-second clip with Image to Video, its cheapest task. Prices by option: false · 480p $0.012 per second, true · 480p $0.024 per second, false · 720p $0.026 per second, false · 1080p $0.052 per second. The API uses a separate USD balance. Website credits cannot be used or transferred to it, and API funds cannot be transferred to website credits. When a task is accepted, we reserve the maximum quoted amount from your API balance. On completion, we charge for actual usage, never more than the hold, and release the remainder. If the task fails, the hold is released.
What is the model name for Seedance 1.5 Pro Plus in the API?
Put bytedance/seedance-1.5-pro-plus/image-to-video for Image to Video; bytedance/seedance-1.5-pro-plus/video-extend for Extend Video in the model field of POST /jobs/createTask.
What are the limits of the Seedance 1.5 Pro Plus API?
Clip length: 4–12 s; Resolutions: 480p · 720p · 1080p; Aspect ratios: 21:9 · 16:9 · 4:3 · 1:1 · 3:4 · 9:16 · adaptive. Requests outside these limits are rejected before anything is charged.
More about Seedance 1.5 Pro Plus
- Endpoints
- Seedance 1.5 Pro Plus · Extend Video