Use Seedance 1.5 Pro through Rivya Public API v1 with model id seedance-1-5-pro, supported inputs, parameters, Files API rules, credits, and response examples.

Available via APIText or URL ready; reference modes use Files APIVideo

API model id

seedance-1-5-pro

Inputs

text, file

Files API

Required for reference modes

Base credits

per_output_second · 480p_without_audio=1.75 · 480p_with_audio=3.5 · 720p_without_audio=3.5 · 720p_with_audio=7 · 1080p_without_audio=7.5 · 1080p_with_audio=15 · ⌈total⌉

Capability

Video

Billing

METERED

Prompt limit

2500 characters

Request contract

Send the model id at the top level. Model-specific controls belong in params.

Key	Type	Required	Default	Description
model	string	Yes	seedance-1-5-pro	Use the seedance-1-5-pro API model id.
prompt	string	Yes	-	Maximum 2500 characters for this model.
params	object	No	-	Model-specific parameter object. Use the rows below for allowed keys.
client_request_id	string	No	-	Optional client-side id for tracing requests in your system.

Model parameters

Key	Type	Required	Default	Range	Options	Description
resolution	select	No	720p	-	480p, 720p, 1080p	Resolution
duration	number	No	8	min 4 / max 12 / step 1	-	Duration
generate_audio	select	No	false	-	false, true	Generate audio
aspectRatio	select	No	1:1	-	1:1, 4:3, 3:4, 16:9, 9:16, 21:9	Aspect ratio
fixed_lens	select	No	false	-	false, true	Controls whether the shot should behave more like a fixed camera. Turning it on keeps camera motion more restrained; turning it off allows more obvious movement.
nsfw_checker	select	No	false	-	false, true	NSFW checker

Upload policy

Upload reference files first, then place the returned URL and duration token inside params.referenceMediaItems.

Reference rule

Reference image: Upload up to 2 image files for image projects.

Max files

Accepted file kinds

image

Duration token

Video and audio references should carry durationToken from /api/v1/files when duration verification is required.

kind	Max size	MIME types
image	10 MB	image/jpeg, image/png, image/webp

Minimal request

{
  "model": "seedance-1-5-pro",
  "prompt": "A cinematic product reveal with smooth camera movement",
  "params": {
    "resolution": "720p",
    "duration": 8,
    "generate_audio": "false",
    "aspectRatio": "1:1",
    "fixed_lens": "false",
    "nsfw_checker": "false"
  }
}

Reference-file request

{
  "model": "seedance-1-5-pro",
  "prompt": "A cinematic product reveal with smooth camera movement",
  "params": {
    "resolution": "720p",
    "duration": 8,
    "generate_audio": "false",
    "aspectRatio": "1:1",
    "fixed_lens": "false",
    "nsfw_checker": "false",
    "referenceMediaItems": [
      {
        "url": "https://cdn.example.com/reference-image.png",
        "kind": "image",
        "name": "reference-image.png",
        "mimeType": "image/png",
        "width": 1024,
        "height": 1024,
        "sizeBytes": 1048576,
        "imageDimensionsToken": "image_dimensions_token_from_original_files_api_upload_response"
      }
    ]
  }
}

Create response

The create endpoint returns a public task id. Poll the status endpoint until the task succeeds or fails.

{
  "id": "task_seedance_1_5_pro_example",
  "status": "queued",
  "model": "seedance-1-5-pro",
  "reserved_credits": 28,
  "final_credits": 0,
  "settlement_status": "RESERVED",
  "created_at": "2026-05-11T00:00:00.000Z",
  "updated_at": "2026-05-11T00:00:00.000Z",
  "result": null,
  "error": null
}

Common errors

validation_failed, insufficient_credits, idempotency_conflict, rate_limited, not_found

Some modes require Files API reference uploads.

Seedance 1.5 Pro API Integration