Video

Wan 2.7 Video video

Alibaba Wan 2.7 — text-to-video. 720p/1080p. Per-second pricing.

Category: Create · wan-2-7-video

How to use & limits

Four workflows in one model: text-to-video, image-to-video, reference-to-video and video edit.
prompt: up to 5,000 characters (required for text, reference and edit).
image_urls: 1 or 2 images (index 0 = start, index 1 = end) for image-to-video.
Reference-to-video uses reference_image_urls and/or reference_video_urls; edit uses video_url + optional reference_image_url.
Duration per workflow: text 5/10/15; image 2–15; reference 2–10; edit 2–10 (0 = detect the source video duration).
Resolution 720p or 1080p; aspect ratio 16:9, 9:16, 1:1, 4:3 or 3:4; optional audio via audio_url.

Capabilities

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

Capability	Value
`video_edit` Video edit	Yes
`audio_input` Audio input	Yes
`multi_shots` Multi-shot	Yes
`text_to_video` Text-to-video	Yes
`image_to_video` Image-to-video	Yes
`max_prompt_length` Max prompt length	5000
`reference_to_video` Reference-to-video	Yes

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	Optional	—	—	—	Video description, up to 5,000 characters.
`image_urls`	Image references	multi_select	Optional	—	—	— – 2	1 or 2 images (image-to-video): index 0 = start, index 1 = end.
`reference_image_urls`	Reference images	multi_select	Optional	—	—	—	Reference images for the reference-to-video workflow.
`audio_url`	Audio track	url	Optional	—	—	—	Optional audio track (text-to-video and image-to-video).
`aspect_ratio`	Aspect ratio	select	Optional	16:9	16:9 · 9:16 · 1:1 · 4:3 · 3:4	—	Aspect ratio: 16:9, 9:16, 1:1, 4:3 or 3:4.
`resolution`	Resolution	select	Optional	720p	720p · 1080p	—	Resolution: 720p or 1080p.
`duration`	Duration	number	Optional	5	—	2 – 15	Duration in seconds, integer 2–15 (varies by workflow).
`multi_shots`	Multi-shot	boolean	Optional	false	—	—	Multi-scene control for image, reference and edit workflows.
`audio_setting`	Audio setting	text	Optional	—	—	—	Optional audio setting for video edit.
`seed`	Seed	number	Optional	—	—	0 – 2147483647	Integer seed (0 to 2147483647) for reproducibility.
`negative_prompt`	Negative prompt	textarea	Optional	—	—	—	Describes what to avoid in the generation.
`enable_safety_checker`	Safety filter	boolean	Optional	true	—	—	Enables the safety filter.
`reference_video_urls`	Reference videos	multi_select	Optional	—	—	—	Reference videos for the reference-to-video workflow.
`reference_image_url`	Reference image	url	Optional	—	—	—	Single reference image for the video edit workflow.
`video_url`	Source video	url	Optional	—	—	—	Source video (required for edit; optional for 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-2-7-video",
  "prompt": "Cinematic tracking shot of a glass greenhouse at sunrise, soft light, slow camera movement.",
  "params": {
    "aspect_ratio": "16:9",
    "resolution": "720p",
    "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-2-7-video",
    "prompt": "Cinematic tracking shot of a glass greenhouse at sunrise, soft light, slow camera movement.",
    "params": {
      "aspect_ratio": "16:9",
      "resolution": "720p",
      "duration": 5
    }
  }),
});
const { data } = await res.json();

Example response

json

{
  "id": "9f0c1a7e-…",
  "object": "generation",
  "model": "wan-2-7-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.