Wan2.2 A14B

Wan2.2 A14B uses one creation endpoint with two public AnyFast model IDs. Select the workflow that matches your input, then query the returned task ID.

Text to video
Image to video
Query task

Create task

POST /v1/video/generations

cURL

curl --request POST \
  --url https://www.anyfast.ai/v1/video/generations \
  --header 'Authorization: Bearer YOUR_API_KEY' \
  --header 'Content-Type: application/json' \
  --data '{
    "model": "wan2.2-t2v-a14b",
    "prompt": "A paper lantern floats above a quiet riverside town at dusk. The camera follows from below.",
    "duration": 5,
    "width": 1280,
    "height": 720,
    "seed": 42
  }'

Request headers

string

required

Bearer authentication in the form Bearer YOUR_API_KEY.

string

default:"application/json"

required

Request body format.

Request body

string

required

Must be wan2.2-t2v-a14b.

string

required

Text description of the subject, action, setting, visual style, and camera movement.

number

default:5

Video duration from 3 through 5 seconds.

integer

Output width in pixels.

integer

Output height in pixels.

integer

Optional random seed in [0, 2147483647] for more repeatable generation.

object

Optional extension fields passed to the upstream service.

Create response

200

{
  "id": "asyntask_wan22t2vexample123",
  "task_id": "asyntask_wan22t2vexample123",
  "object": "video",
  "model": "wan2.2-t2v-a14b",
  "status": "",
  "progress": 0,
  "created_at": 1785426400
}

string

Task ID used to query the result.

string

Task ID, identical to id.

string

Returned object type, video.

string

AnyFast model ID used by the task.

string

Initial status string. Use the query endpoint for the authoritative task state.

integer

Initial task progress percentage.

integer

Creation time as a Unix timestamp in seconds.

Create task

POST /v1/video/generations

cURL

curl --request POST \
  --url https://www.anyfast.ai/v1/video/generations \
  --header 'Authorization: Bearer YOUR_API_KEY' \
  --header 'Content-Type: application/json' \
  --data '{
    "model": "wan2.2-i2v-a14b",
    "prompt": "The cat runs forward through the grass while the camera tracks alongside it.",
    "image": "https://cdn.translate.alibaba.com/r/wanx-demo-1.png",
    "duration": 5,
    "width": 1280,
    "height": 720,
    "seed": 42
  }'

Request headers

string

required

Bearer authentication in the form Bearer YOUR_API_KEY.

string

default:"application/json"

required

Request body format.

Request body

string

required

Must be wan2.2-i2v-a14b.

string

required

Text description of the motion and camera behavior.

string

required

Public first-frame image URL. Supported upstream formats include JPEG, JPG, PNG without alpha, BMP, and WebP; the Wan2.2 family limit is 10 MB with width and height from 240 through 8,000 pixels.

number

default:5

Video duration from 3 through 5 seconds.

integer

Output width in pixels.

integer

Output height in pixels.

integer

Optional random seed in [0, 2147483647] for more repeatable generation.

object

Optional extension fields passed to the upstream service.

Create response

200

{
  "id": "asyntask_wan22i2vexample123",
  "task_id": "asyntask_wan22i2vexample123",
  "object": "video",
  "model": "wan2.2-i2v-a14b",
  "status": "",
  "progress": 0,
  "created_at": 1785426400
}

string

Task ID used to query the result.

string

Task ID, identical to id.

string

Returned object type, video.

string

AnyFast model ID used by the task.

string

Initial status string. Use the query endpoint for the authoritative task state.

integer

Initial task progress percentage.

integer

Creation time as a Unix timestamp in seconds.

Query task by ID

GET /v1/video/generations/{task_id}

cURL

curl --request GET \
  --url https://www.anyfast.ai/v1/video/generations/asyntask_wan22t2vexample123 \
  --header 'Authorization: Bearer YOUR_API_KEY'

Request headers

string

required

Bearer authentication in the form Bearer YOUR_API_KEY.

Path parameters

string

required

Task ID returned by a Wan2.2 create request.

Task result

200

{
  "code": "success",
  "message": "",
  "data": {
    "task_id": "asyntask_wan22t2vexample123",
    "action": "textGenerate",
    "status": "SUCCESS",
    "fail_reason": "https://example.com/generated-video.mp4",
    "result_url": "https://example.com/generated-video.mp4",
    "submit_time": 1785426400,
    "start_time": 1785426414,
    "finish_time": 1785426560,
    "progress": "100%",
    "request_id": "request_wan22example123",
    "data": {
      "output": {
        "task_id": "upstream_task_wan22example123",
        "task_status": "SUCCEEDED",
        "video_url": "https://example.com/generated-video.mp4",
        "orig_prompt": "A paper lantern floats above a quiet riverside town at dusk.",
        "submit_time": "2026-07-30 23:46:53.873",
        "scheduled_time": "2026-07-30 23:46:53.900",
        "end_time": "2026-07-30 23:49:18.837"
      },
      "request_id": "upstream_request_wan22example123",
      "usage": {
        "SR": 720,
        "duration": 5,
        "input_video_duration": 0,
        "output_video_duration": 5,
        "ratio": "16:9",
        "video_count": 1
      }
    }
  }
}

string

Query-call result. success means the query completed; use data.status for the generation outcome.

string

Response message, normally empty for a successful query.

object

AnyFast task state and result payload.

string

AnyFast task ID.

string

Generation workflow, such as textGenerate for text-to-video or generate for image-to-video.

string

NOT_START, QUEUED, or IN_PROGRESS means keep polling. On SUCCESS, read result_url; on FAILURE, read fail_reason.

string

Compatibility field. It can repeat result_url on success, so use status to determine the outcome.

string | null

Temporary generated-video URL for a successful task.

integer

Task submission Unix timestamp in seconds.

integer

Task start Unix timestamp in seconds; 0 before processing starts.

integer

Task completion Unix timestamp in seconds; 0 before a terminal state.

string

Progress from 0% through 100%.

string

AnyFast request trace ID.

object

Raw upstream response data.

object

Raw upstream task output.

string

Upstream task ID.

string

Upstream status such as PENDING, RUNNING, SUCCEEDED, FAILED, CANCELED, or UNKNOWN.

string | null

Generated-video URL in the upstream output.

string

Prompt received by the upstream service.

string

Upstream task submission time.

string

Upstream task scheduling time.

string

Upstream task completion time.

string

Upstream request trace ID.

object | null

Upstream usage details, normally present after success.

integer

Output resolution value.

number

Billable duration in seconds.

number

Input-video duration reported for usage.

number

Generated output-video duration in seconds.

string

Generated video aspect ratio when returned.

integer

Number of generated videos.

Error responses

400 Bad Request - Invalid input or an unsupported parameter.
401 Unauthorized - The API key is missing or invalid.
404 Not Found - The requested task does not exist.
429 Rate limit exceeded - The request rate exceeded the applicable limit.

Overview

Native Compatible Endpoints

Model APIs

Create task

Request headers

Request body

Create response

Create task

Request headers

Request body

Create response

Query task by ID

Request headers

Path parameters

Task result

Error responses

​Create task

​Request headers

​Request body

​Create response

​Create task

​Request headers

​Request body

​Create response

​Query task by ID

​Request headers

​Path parameters

​Task result

​Error responses

Create task

Request headers

Request body

Create response

Create task

Request headers

Request body

Create response

Query task by ID

Request headers

Path parameters

Task result

Error responses