Video

Wan 2.2 Fast video

Wan 2.2 Fast — text-to-video.

Category: Create · wan-2-2-fast

How to use & limits

Fast text-to-video, with an image-to-video option that animates a reference image.
prompt: up to 800 characters.
Resolution: 480p or 720p; aspect ratio 16:9 or 9:16.
image_urls: 1 reference image.

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_resolutions` Allowed resolutions	480p, 720p

Parameters

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

Name	Label	Type	Required	Default	Options	Min / Max	Description
`aspect_ratio`	Aspect ratio	select	Optional	16:9	16:9 · 9:16	—	Aspect ratio: 16:9 or 9:16.
`prompt`	Prompt	textarea	Required	—	—	—	Video description, up to 800 characters.
`resolution`	Resolution	select	Optional	720p	480p · 720p	—	Resolution: 480p or 720p.
`image_urls`	Reference image(s)	multi_select	Optional	—	—	— – 1	One reference image to animate (image-to-video).

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-2-2-fast",
  "prompt": "A cinematic panda walking through neon rain in Shanghai at night.",
  "params": {
    "resolution": "480p",
    "aspect_ratio": "16:9"
  }
}'

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-2-2-fast",
    "prompt": "A cinematic panda walking through neon rain in Shanghai at night.",
    "params": {
      "resolution": "480p",
      "aspect_ratio": "16:9"
    }
  }),
});
const { data } = await res.json();

Example response

json

{
  "id": "9f0c1a7e-…",
  "object": "generation",
  "model": "wan-2-2-fast",
  "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.