Wan 25 Preview

wan-25-preview-text-to-video

post

Wan 2.5 text-to-video model.

Header parameters

AuthorizationstringRequiredExample: sk-kEEV5TfTCTpE4uFwUg9p8UhVyVWpC9IEgOVezQ4b1ZCWQFCV

Body

application/json

modelstringRequired

model is the model name

Example: wan-25-preview-text-to-video

promptstringRequired

prompt is the prompt.

Example: A cute baby sea otter.

audio_urlstringOptional

URL of the audio to use as the background music. Must be publicly accessible. Limit handling: If the audio duration exceeds the duration value (5 or 10 seconds), the audio is truncated to the first 5 or 10 seconds, and the rest is discarded. If the audio is shorter than the video, the remaining part of the video will be silent. For example, if the audio is 3 seconds long and the video duration is 5 seconds, the first 3 seconds of the output video will have sound, and the last 2 seconds will be silent.

• Format: WAV, MP3.
• Duration: 3 to 30 s.
• File size: Up to 15 MB.

aspect_ratiostringOptional

The aspect ratio of the generated video Default value: "16:9"

Possible enum values: 16:9, 9:16, 1:1

Default: 16:9Example: 16:9

resolutionstring · enumOptional

Video resolution tier Default value: "1080p"

Possible enum values: 480p, 720p, 1080p

Default: 1080pExample: 1080pPossible values:

durationstring · enumOptional

Duration of the generated video in seconds. Choose between 5 or 10 seconds. Default value: "5"

Possible enum values: 5, 10

Default: 5Example: 5Possible values:

negative_promptstringOptional

Negative prompt to describe content to avoid. Max 500 characters.

Example: low resolution, error, worst quality, low quality, defects

enable_prompt_expansionbooleanOptional

Whether to enable prompt rewriting using LLM. Improves results for short prompts but increases processing time. Default value: true

Default: true

seedintegerOptional

Random seed for reproducibility. If None, a random seed is chosen.

Example: 1

output_formatstring · enumOptional

output_format indicate the output format, default value is url.

Default: urlExample: urlPossible values:

Responses

200Success

application/json

post

/v1/videos/generations

HTTPcURLJavaScriptPython

POST /v1/videos/generations HTTP/1.1
Host: video.onerouter.pro
Authorization: text
Content-Type: application/json
Accept: */*
Content-Length: 288

{
  "model": "wan-25-preview-text-to-video",
  "prompt": "A cute baby sea otter.",
  "audio_url": "",
  "aspect_ratio": "16:9",
  "resolution": "1080p",
  "duration": "5",
  "negative_prompt": "low resolution, error, worst quality, low quality, defects",
  "enable_prompt_expansion": true,
  "seed": 1,
  "output_format": "url"
}

200Success

{
  "data": [
    {
      "url": "https://resource.onerouter.pro/image/generated%2Fonerouter_15cc7d62-27f0-4250-b180-475bf8b089bf.png",
      "b64_json": "",
      "revised_prompt": ""
    }
  ],
  "created": 1760427702
}