Video

Wan 2.5 Video video

Wan 2.5 — text-to-video. 5s/10s.

Category: Create · wan-2-5-video

How to use & limits

Text-to-video, with an image-to-video option (image_urls with 1 image).
prompt: up to 1,500 characters.
Duration: 5 or 10 seconds.
In text-to-video the size comes from aspect_ratio (presets like 1280*720); in image-to-video use resolution (480p/720p/1080p).
Optional controls: audio (text descriptor), negative_prompt and seed.

Capabilities

What this model supports, straight from the schema — no pricing, no infrastructure detail.

Capability	Value
`billing_unit` Billing unit	per_video
`text_to_video` Text-to-video	Yes
`image_to_video` Image-to-video	Yes
`allowed_durations` Allowed durations	5, 10

Parameters

Fields accepted in params (or first-class, where applicable) for POST /generations.

Name	Label	Type	Required	Default	Options	Min / Max	Description
`prompt`	Prompt	textarea	Required	—	—	—	Video description, up to 1,500 characters.
`duration`	Duration	select	Optional	5	—	—	Duration: 5 or 10 seconds.
`resolution`	Resolution	select	Optional	720p	480p · 720p · 1080p	—	Resolution (image-to-video): 480p, 720p or 1080p.
`image_urls`	Reference image (1)	multi_select	Optional	—	—	— – 1	One reference image for image-to-video.
`aspect_ratio`	Aspect ratio	select	Optional	832*480	832480 · 480832 · 1280720 · 7201280 · 19201080 · 10801920	—	Size preset (text-to-video): 832480, 480832, 1280720, 7201280, 19201080 or 10801920.
`negative_prompt`	Negative prompt	textarea	Optional	—	—	—	Describes what to avoid in the generation.
`audio`	Audio (descriptor)	text	Optional	—	—	—	Audio descriptor as text (boolean not accepted).
`seed`	Seed	number	Optional	—	—	—	Integer seed for reproducible results.

Example request

bash

curl -X POST https://caranguejo.art/api/v1/dev/generations \
  -H "Authorization: Bearer $CK" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "wan-2-5-video",
  "prompt": "Cinematic time-lapse of a bustling city street transitioning from day to night.",
  "params": {
    "aspect_ratio": "1280*720",
    "duration": 5
  }
}'

javascript

const res = await fetch("https://caranguejo.art/api/v1/dev/generations", {
  method: "POST",
  headers: {
    "Authorization": "Bearer " + process.env.CK,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    "model": "wan-2-5-video",
    "prompt": "Cinematic time-lapse of a bustling city street transitioning from day to night.",
    "params": {
      "aspect_ratio": "1280*720",
      "duration": 5
    }
  }),
});
const { data } = await res.json();

Example response

json

{
  "id": "9f0c1a7e-…",
  "object": "generation",
  "model": "wan-2-5-video",
  "type": "video",
  "status": "completed",
  "output": {
    "assets": [
      {
        "url": "https://media.caranguejo.art/outputs/example.mp4",
        "type": "video"
      }
    ]
  }
}

The job's real cost is returned as credits_charged on the completed response — check GET /balance for the account balance.

Common errors for this job type:

`insufficient_credits`	Account balance can't cover the job cost.
`content_policy_violation`	Prompt or media rejected by content policy.
`generation_timeout`	The job exceeded the maximum processing time.
`rate_limited`	Too many requests per minute.
`invalid_input`	A required parameter is missing or outside the model's schema.
`generation_failed`	Generic processing failure.