Tradução de apoio para consulta. Código e identificadores técnicos preservados. Consultar referência original ↗
Wan — Recuperar o resultado do primeiro quadro
Verifique o status da tarefa de vídeo
Estratégia de votação
- Crie uma tarefa para receber um
task_id. - Faça pesquisas a cada 15 segundos até
task_statuséSUCCEEDEDouFAILED. - Em caso de sucesso, recupere o vídeo de
video_url.
Notas importantes
- Expiração de URL: URLs de vídeo expiram após 24 horas. Baixe imediatamente.
- Fluxo de status:
PENDING→RUNNING→SUCCEEDEDouFAILED.
OpenAPI
openapi: 3.1.0
info:
title: Wan Image-to-Video (First Frame) API
description: Generate videos from a first-frame image and text prompt using Wan image-to-video models. Supports audio synchronization, multi-shot narrative, and multiple resolution tiers.
version: 1.0.0
servers:
- url: https://maas.qwencloudapi.com/api/v1
description: Singapore
security:
- BearerAuth: []
paths:
/tasks/{task_id}:
get:
operationId: getI2VFirstFrameTaskStatus
summary: Query task result
description: Query the status and result of the video generation task.
parameters:
- name: task_id
in: path
required: true
description: The task ID returned by the POST endpoint.
schema:
type: string
responses:
"200":
description: Task status retrieved
content:
application/json:
schema:
$ref: "#/components/schemas/TaskStatusResponse"
examples:
SUCCEEDED:
summary: Task succeeded
value:
request_id: c1209113-8437-424f-a386-xxxxxx
output:
task_id: 966cebcd-dedc-4962-af88-xxxxxx
task_status: SUCCEEDED
video_url: https://dashscope-result-sh.oss-accelerate.aliyuncs.com/xxx.mp4?Expires=xxx
task_metrics:
TOTAL: 1
SUCCEEDED: 1
FAILED: 0
usage:
video_count: 1
video_duration: 5
FAILED:
summary: Task failed
value:
request_id: c1209113-8437-424f-a386-xxxxxx
output:
task_id: 966cebcd-dedc-4962-af88-xxxxxx
task_status: FAILED
code: InvalidParameter
message: The specified parameter is not valid.
task_metrics:
TOTAL: 1
SUCCEEDED: 0
FAILED: 1
RUNNING:
summary: Task running
value:
request_id: c1209113-8437-424f-a386-xxxxxx
output:
task_id: 966cebcd-dedc-4962-af88-xxxxxx
task_status: RUNNING
task_metrics:
TOTAL: 1
SUCCEEDED: 0
FAILED: 0
"400":
description: Invalid request
content:
application/json:
schema:
$ref: "#/components/schemas/DashScopeErrorResponse"
x-codeSamples:
- lang: curl
label: cURL - Query task result
source: |-
# Replace {task_id} with the actual task ID from the submit response
curl -X GET 'https://maas.qwencloudapi.com/api/v1/tasks/{task_id}' \
-H "Authorization: Bearer $DASHSCOPE_API_KEY"
components:
securitySchemes:
BearerAuth:
type: http
scheme: bearer
description: DashScope API Key. Create one in the [QwenCloud console](https://home.qwencloud.com/api-keys).
schemas:
I2VFirstFrameRequest:
type: object
required:
- model
- input
properties:
model:
type: string
description: Model name.
enum:
- wan2.6-i2v-flash
- wan2.6-i2v
- wan2.5-i2v-preview
- wan2.2-i2v-flash
- wan2.2-i2v-plus
- wan2.1-i2v-turbo
- wan2.1-i2v-plus
example: wan2.6-i2v-flash
input:
type: object
required:
- img_url
description: Input data including the first-frame image, prompt, and optional audio.
properties:
prompt:
type: string
description: |-
Text prompt describing the desired content and visual characteristics for the generated video. Both Chinese and English are supported. Length limits vary by model:
- wan2.6 and wan2.5 models: up to 1,500 characters.
- wan2.2 and wan2.1 models: up to 800 characters.
Text exceeding the limit is truncated automatically. For prompt tips, see Text-to-video/image-to-video prompt guide.
example: A cat running on the grass
negative_prompt:
type: string
description: Negative prompt describing content to exclude from the video. Both Chinese and English are supported. Maximum 500 characters; excess is truncated automatically.
maxLength: 500
example: low resolution, error, worst quality, low quality
img_url:
type: string
description: |-
URL or Base64 string of the first-frame image.
**Image constraints:**
- Format: JPEG, JPG, PNG (no alpha channel), BMP, WEBP.
- Resolution: Width and height must be between 240 and 8,000 pixels.
- File size: Up to 20 MB for Wan2.6 and Wan2.5 series models; up to 10 MB for Wan2.2 and Wan2.1 series models.
**Supported input formats:**
1. Public URL (HTTP/HTTPS supported).
2. Base64-encoded image: `data:{MIME_type};base64,{base64_data}`.
example: https://cdn.translate.alibaba.com/r/wanx-demo-1.png
audio_url:
type: string
description: |-
URL of an audio file. The model synchronizes video generation with this audio. Supported by wan2.6 and wan2.5 models only.
**Audio constraints:**
- Format: wav, mp3.
- Duration: 3–30 seconds.
- File size: Up to 15 MB.
- If the audio exceeds the video `duration`, it is truncated. If shorter, the remaining video is silent.
example: https://help-static-aliyun-doc.aliyuncs.com/file-manage-files/zh-CN/20250925/ozwpvi/rap.mp3
parameters:
$ref: "#/components/schemas/I2VFirstFrameParameters"
I2VFirstFrameParameters:
type: object
description: Video generation parameters.
properties:
resolution:
type: string
description: |-
Resolution tier of the generated video. The model scales output to a similar total pixel count. The aspect ratio closely matches the input image. Resolution directly affects cost (1080P > 720P > 480P).
Default values and options by model:
- wan2.6-i2v-flash: 720P, 1080P (default: 1080P)
- wan2.6-i2v: 720P, 1080P (default: 1080P)
- wan2.5-i2v-preview: 480P, 720P, 1080P (default: 1080P)
- wan2.2-i2v-flash: 480P, 720P, 1080P (default: 720P)
- wan2.2-i2v-plus: 480P, 1080P (default: 1080P)
- wan2.1-i2v-turbo: 480P, 720P (default: 720P)
- wan2.1-i2v-plus: 720P (fixed)
enum:
- 480P
- 720P
- 1080P
example: 720P
duration:
type: integer
description: |-
Duration of the generated video in seconds. Longer durations cost more (billed per second).
Valid values by model:
- wan2.6-i2v-flash: integer 2–15 (default: 5)
- wan2.6-i2v: integer 2–15 (default: 5)
- wan2.5-i2v-preview: 5, 10 (default: 5)
- wan2.2-i2v-plus: fixed 5 (not configurable)
- wan2.2-i2v-flash: fixed 5 (not configurable)
- wan2.1-i2v-plus: fixed 5 (not configurable)
- wan2.1-i2v-turbo: 3, 4, 5 (default: 5)
example: 5
prompt_extend:
type: boolean
description: Whether to enable prompt rewriting. When enabled, an LLM rewrites the input prompt, which can improve generation quality for shorter prompts but increases processing time.
default: true
example: true
shot_type:
type: string
description: Whether the video uses a single continuous shot or multiple switching shots. Supported by wan2.6 models only. Takes effect only when `prompt_extend` is `true`. When specified, overrides shot-related descriptions in the prompt.
enum:
- single
- multi
default: single
example: single
audio:
type: boolean
description: "Whether to generate a video with sound. Supported by wan2.6-i2v-flash only. Priority: `audio` > `audio_url`. If `audio=false`, the output is silent even if `audio_url` is provided. Audio setting affects pricing."
default: true
example: true
watermark:
type: boolean
description: Whether to add an "AI Generated" watermark in the lower-right corner.
default: false
example: false
seed:
type: integer
description: "Random number seed for reproducibility. Range: [0, 2147483647]. If omitted, a random seed is used. Identical seeds do not guarantee identical results."
minimum: 0
maximum: 2147483647
example: 12345
AsyncTaskSubmitResponse:
type: object
description: Response from an asynchronous task submission.
properties:
request_id:
type: string
description: Unique request identifier for tracing and troubleshooting.
example: 4909100c-7b5a-9f92-bfe5-xxxxxx
output:
type: object
properties:
task_id:
type: string
description: Task ID for polling status. Use with `GET /tasks/{task_id}`. Valid for 24 hours.
example: 0385dc79-5ff8-4d82-bcb6-xxxxxx
task_status:
type: string
description: Initial task status, typically `PENDING`.
enum:
- PENDING
- RUNNING
- SUCCEEDED
- FAILED
- CANCELED
- UNKNOWN
example: PENDING
TaskStatusResponse:
type: object
description: Response from polling a task's status.
properties:
request_id:
type: string
description: Unique request identifier.
example: 2ca1c497-f9e0-449d-9a3f-xxxxxx
output:
type: object
properties:
task_id:
type: string
description: The task ID.
example: af6efbc0-4bef-4194-8246-xxxxxx
task_status:
type: string
description: "Current task status. Transitions: PENDING → RUNNING → SUCCEEDED or FAILED. UNKNOWN means the task does not exist or has expired."
enum:
- PENDING
- RUNNING
- SUCCEEDED
- FAILED
- CANCELED
- UNKNOWN
submit_time:
type: string
description: "Time when the task was submitted. UTC+8 format: YYYY-MM-DD HH:mm:ss.SSS."
example: 2025-09-25 11:07:28.590
scheduled_time:
type: string
description: "Time when the task started running. UTC+8 format: YYYY-MM-DD HH:mm:ss.SSS."
example: 2025-09-25 11:07:35.349
end_time:
type: string
description: "Time when the task completed. UTC+8 format: YYYY-MM-DD HH:mm:ss.SSS."
example: 2025-09-25 11:17:11.650
video_url:
type: string
description: URL of the generated video. Returned only when `task_status` is `SUCCEEDED`. Valid for 24 hours. Download promptly. MP4 format with H.264 encoding.
example: https://dashscope-result-sh.oss-cn-shanghai.aliyuncs.com/xxx.mp4?Expires=xxx
orig_prompt:
type: string
description: The original input prompt.
actual_prompt:
type: string
description: When `prompt_extend=true`, returns the optimized prompt used for generation. Not returned if `prompt_extend=false`. The wan2.6 model never returns this field.
code:
type: string
description: Error code. Returned only when the task fails.
message:
type: string
description: Detailed error message. Returned only when the task fails.
usage:
type: object
description: Output statistics. Returned only for successful tasks. Fields vary by model version.
properties:
duration:
type: integer
description: "Total video duration used for billing. For wan2.6 models: `input_video_duration + output_video_duration`."
input_video_duration:
type: integer
description: Duration of input video in seconds. Fixed at 0 for image-to-video. Returned by wan2.6 models.
output_video_duration:
type: integer
description: Duration of output video in seconds. Returned by wan2.6 models.
video_count:
type: integer
description: Number of generated videos. Fixed at 1.
example: 1
SR:
type: integer
description: Resolution tier of the generated video (e.g., 720). Returned by wan2.6, wan2.5, and wan2.2 models.
example: 720
audio:
type: boolean
description: Whether the output video has sound. Returned by wan2.6-i2v-flash only.
video_duration:
type: integer
description: Duration of generated video in seconds. Returned by wan2.1 models only.
video_ratio:
type: string
description: Aspect ratio of generated video. Fixed at `standard`. Returned by wan2.1 models only.
DashScopeErrorResponse:
type: object
description: DashScope API error response.
properties:
request_id:
type: string
description: Unique request identifier.
code:
type: string
description: Error code (e.g., `InvalidApiKey`, `InvalidParameter`, `Throttling`).
example: InvalidApiKey
message:
type: string
description: Human-readable error message.
example: No API-key provided.