Alibaba Cloud Model Studio:Referencia de API de Wan - imagen a video - primer fotograma (2.1-2.6)

Singapore

POST https://{WorkspaceId}.ap-southeast-1.maas.aliyuncs.com/api/v1/services/aigc/video-generation/video-synthesis

Virginia

POST https://{WorkspaceId}.us-east-1.maas.aliyuncs.com/api/v1/services/aigc/video-generation/video-synthesis

Beijing

POST https://{WorkspaceId}.cn-beijing.maas.aliyuncs.com/api/v1/services/aigc/video-generation/video-synthesis

Fráncfort

POST https://{WorkspaceId}.eu-central-1.maas.aliyuncs.com/api/v1/services/aigc/video-generation/video-synthesis

Singapore

GET https://{WorkspaceId}.ap-southeast-1.maas.aliyuncs.com/api/v1/tasks/{task_id}

Virginia

GET https://{WorkspaceId}.us-east-1.maas.aliyuncs.com/api/v1/tasks/{task_id}

China (Beijing)

GET https://{WorkspaceId}.cn-beijing.maas.aliyuncs.com/api/v1/tasks/{task_id}

Fráncfort

GET https://{WorkspaceId}.eu-central-1.maas.aliyuncs.com/api/v1/tasks/{task_id}

Singapore

dashscope.base_http_api_url = 'https://{WorkspaceId}.ap-southeast-1.maas.aliyuncs.com/api/v1'

Virginia

dashscope.base_http_api_url = 'https://{WorkspaceId}.us-east-1.maas.aliyuncs.com/api/v1'

Beijing

dashscope.base_http_api_url = 'https://{WorkspaceId}.cn-beijing.maas.aliyuncs.com/api/v1'

Fráncfort

dashscope.base_http_api_url = 'https://{WorkspaceId}.eu-central-1.maas.aliyuncs.com/api/v1'

Llamada síncrona

Una llamada síncrona se bloquea hasta que finaliza la generación del video. Este ejemplo demuestra tres métodos de entrada de imagen: URL pública, codificación Base64 y ruta de archivo local.

Ejemplo de solicitud

import base64
import os
from http import HTTPStatus
from dashscope import VideoSynthesis
import mimetypes
import dashscope

# The following URL is for the Singapore region. Replace {WorkspaceId} with your actual workspace ID. URLs differ by region.
dashscope.base_http_api_url = 'https://{WorkspaceId}.ap-southeast-1.maas.aliyuncs.com/api/v1'

# If the environment variable is not set, replace the following line with your API key from Model Studio: api_key="sk-xxx"
# Get your API key: https://www.alibabacloud.com/help/model-studio/get-api-key
api_key = os.getenv("DASHSCOPE_API_KEY")

# --- Helper function for Base64 encoding ---
# Format: data:{MIME_type};base64,{base64_data}
def encode_file(file_path):
    mime_type, _ = mimetypes.guess_type(file_path)
    if not mime_type or not mime_type.startswith("image/"):
        raise ValueError("Unsupported or unrecognized image format")
    with open(file_path, "rb") as image_file:
        encoded_string = base64.b64encode(image_file.read()).decode('utf-8')
    return f"data:{mime_type};base64,{encoded_string}"

"""
Image input methods:
The following are three ways to provide an image. Choose one.

1. Public URL: Ideal for images that are already publicly accessible.
2. Local file: Suitable for local development and testing.
3. Base64 encoding: Best for private images or when data must be securely transmitted.
"""

# [Method 1] Use a publicly accessible image URL
# Example: Use a public image URL
img_url = "https://help-static-aliyun-doc.aliyuncs.com/file-manage-files/zh-CN/20250925/wpimhv/rap.png"

# [Method 2] Use a local file (supports absolute and relative paths)
# Format: file:// + file path
# Example (absolute path):
# img_url = "file://" + "/path/to/your/img.png"    # Linux/macOS
# img_url = "file://" + "C:/path/to/your/img.png"  # Windows
# Example (relative path):
# img_url = "file://" + "./img.png"                # Relative to the current script's directory

# [Method 3] Use a Base64-encoded image
# img_url = encode_file("./img.png")

# Set the audio URL
audio_url = "https://help-static-aliyun-doc.aliyuncs.com/file-manage-files/zh-CN/20250925/ozwpvi/rap.mp3"

def sample_call_i2v():
    # A synchronous call returns the result directly.
    print('please wait...')
    rsp = VideoSynthesis.call(api_key=api_key,
                              model='wan2.6-i2v-flash',
                              prompt='A scene of urban fantasy art. A dynamic graffiti art character. A boy made of spray paint comes to life from a concrete wall. He raps an English song at high speed while striking a classic, energetic rapper pose. The scene is set under an urban railway bridge at night. The lighting comes from a single street lamp, creating a cinematic atmosphere full of high energy and amazing detail. The audio of the video consists entirely of his rap, with no other dialogue or noise.',
                              img_url=img_url,
                              audio_url=audio_url,
                              resolution="720P",
                              duration=10,
                              prompt_extend=True,
                              watermark=False,
                              negative_prompt="",
                              seed=12345)
    print(rsp)
    if rsp.status_code == HTTPStatus.OK:
        print("video_url:", rsp.output.video_url)
    else:
        print('Failed, status_code: %s, code: %s, message: %s' %
              (rsp.status_code, rsp.code, rsp.message))

if __name__ == '__main__':
    sample_call_i2v()

Ejemplo de respuesta

El video_url es válido durante 24 horas. Descargue el video antes de que caduque.

{
    "status_code": 200,
    "request_id": "2794c7a3-fe8c-4dd4-a1b7-xxxxxx",
    "code": null,
    "message": "",
    "output": {
        "task_id": "c15d5b14-07c4-4af5-b862-xxxxxx",
        "task_status": "SUCCEEDED",
        "video_url": "https://dashscope-result-bj.oss-cn-beijing.aliyuncs.com/xxx.mp4?Expires=xxx",
        "submit_time": "2026-01-22 23:24:46.527",
        "scheduled_time": "2026-01-22 23:24:46.565",
        "end_time": "2026-01-22 23:25:59.978",
        "orig_prompt": "A scene of urban fantasy art. A dynamic graffiti art character. A boy made of spray paint comes to life from a concrete wall. He raps an English song at high speed while striking a classic, energetic rapper pose. The scene is set under an urban railway bridge at night. The lighting comes from a single street lamp, creating a cinematic atmosphere full of high energy and amazing detail. The audio of the video consists entirely of his rap, with no other dialogue or noise."
    },
    "usage": {
        "video_count": 1,
        "video_duration": 0,
        "video_ratio": "",
        "duration": 10,
        "input_video_duration": 0,
        "output_video_duration": 10,
        "audio": true,
        "SR": 720
    }
}

Llamada asíncrona

Una llamada asíncrona devuelve inmediatamente un ID de tarea. Luego puede sondear el resultado o esperar a que finalice.

Ejemplo de solicitud

import os
from http import HTTPStatus
from dashscope import VideoSynthesis
import dashscope

# The following URL is for the Singapore region. Replace {WorkspaceId} with your actual workspace ID. URLs differ by region.
dashscope.base_http_api_url = 'https://{WorkspaceId}.ap-southeast-1.maas.aliyuncs.com/api/v1'

# If the environment variable is not set, replace the following line with your API key from Model Studio: api_key="sk-xxx"
# Get your API key: https://www.alibabacloud.com/help/model-studio/get-api-key
api_key = os.getenv("DASHSCOPE_API_KEY")

# Use a publicly accessible image URL
img_url = "https://help-static-aliyun-doc.aliyuncs.com/file-manage-files/zh-CN/20250925/wpimhv/rap.png"

# Set the audio URL
audio_url = "https://help-static-aliyun-doc.aliyuncs.com/file-manage-files/zh-CN/20250925/ozwpvi/rap.mp3"

def sample_async_call_i2v():
    # Asynchronous call, returns a task ID
    rsp = VideoSynthesis.async_call(api_key=api_key,
                                    model='wan2.6-i2v-flash',
                                    prompt='A scene of urban fantasy art. A dynamic graffiti art character. A boy made of spray paint comes to life from a concrete wall. He raps an English song at high speed while striking a classic, energetic rapper pose. The scene is set under an urban railway bridge at night. The lighting comes from a single street lamp, creating a cinematic atmosphere full of high energy and amazing detail. The audio of the video consists entirely of his rap, with no other dialogue or noise.',
                                    img_url=img_url,
                                    audio_url=audio_url,
                                    resolution="720P",
                                    duration=10,
                                    prompt_extend=True,
                                    watermark=False,
                                    negative_prompt="",
                                    seed=12345)
    print(rsp)
    if rsp.status_code == HTTPStatus.OK:
        print("task_id: %s" % rsp.output.task_id)
    else:
        print('Failed, status_code: %s, code: %s, message: %s' %
              (rsp.status_code, rsp.code, rsp.message))

    # Get the status of the asynchronous task
    status = VideoSynthesis.fetch(task=rsp, api_key=api_key)
    if status.status_code == HTTPStatus.OK:
        print(status.output.task_status)
    else:
        print('Failed, status_code: %s, code: %s, message: %s' %
              (status.status_code, status.code, status.message))

    # Wait for the asynchronous task to complete
    rsp = VideoSynthesis.wait(task=rsp, api_key=api_key)
    print(rsp)
    if rsp.status_code == HTTPStatus.OK:
        print(rsp.output.video_url)
    else:
        print('Failed, status_code: %s, code: %s, message: %s' %
              (rsp.status_code, rsp.code, rsp.message))

if __name__ == '__main__':
    sample_async_call_i2v()

Ejemplo de respuesta

1. Respuesta de creación de tarea

{
    "status_code": 200,
    "request_id": "6dc3bf6c-be18-9268-9c27-xxxxxx",
    "code": "",
    "message": "",
    "output": {
        "task_id": "686391d9-7ecf-4290-a8e9-xxxxxx",
        "task_status": "PENDING",
        "video_url": ""
    },
    "usage": null
}

2. Respuesta de consulta de tarea

El video_url es válido durante 24 horas. Descargue el video antes de que caduque.

{
    "status_code": 200,
    "request_id": "2794c7a3-fe8c-4dd4-a1b7-xxxxxx",
    "code": null,
    "message": "",
    "output": {
        "task_id": "c15d5b14-07c4-4af5-b862-xxxxxx",
        "task_status": "SUCCEEDED",
        "video_url": "https://dashscope-result-bj.oss-cn-beijing.aliyuncs.com/xxx.mp4?Expires=xxx",
        "submit_time": "2026-01-22 23:24:46.527",
        "scheduled_time": "2026-01-22 23:24:46.565",
        "end_time": "2026-01-22 23:25:59.978",
        "orig_prompt": "A scene of urban fantasy art. A dynamic graffiti art character. A boy made of spray paint comes to life from a concrete wall. He raps an English song at high speed while striking a classic, energetic rapper pose. The scene is set under an urban railway bridge at night. The lighting comes from a single street lamp, creating a cinematic atmosphere full of high energy and amazing detail. The audio of the video consists entirely of his rap, with no other dialogue or noise."
    },
    "usage": {
        "video_count": 1,
        "video_duration": 0,
        "video_ratio": "",
        "duration": 10,
        "input_video_duration": 0,
        "output_video_duration": 10,
        "audio": true,
        "SR": 720
    }
}

Singapore

Constants.baseHttpApiUrl = "https://{WorkspaceId}.ap-southeast-1.maas.aliyuncs.com/api/v1";

Virginia

Constants.baseHttpApiUrl = "https://{WorkspaceId}.us-east-1.maas.aliyuncs.com/api/v1";

Beijing

Constants.baseHttpApiUrl = "https://{WorkspaceId}.cn-beijing.maas.aliyuncs.com/api/v1";

Fráncfort

Constants.baseHttpApiUrl = "https://{WorkspaceId}.eu-central-1.maas.aliyuncs.com/api/v1";

Llamada síncrona

Una llamada síncrona se bloquea hasta que finaliza la generación del video. Este ejemplo demuestra tres métodos de entrada de imagen: URL pública, codificación Base64 y ruta de archivo local.

Ejemplo de solicitud

// Copyright (c) Alibaba, Inc. and its affiliates.

import com.alibaba.dashscope.aigc.videosynthesis.VideoSynthesis;
import com.alibaba.dashscope.aigc.videosynthesis.VideoSynthesisParam;
import com.alibaba.dashscope.aigc.videosynthesis.VideoSynthesisResult;
import com.alibaba.dashscope.exception.ApiException;
import com.alibaba.dashscope.exception.InputRequiredException;
import com.alibaba.dashscope.exception.NoApiKeyException;
import com.alibaba.dashscope.utils.JsonUtils;
import com.alibaba.dashscope.utils.Constants;

import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Base64;
import java.util.HashMap;
import java.util.Map;

public class Image2Video {

    static {
        // Set the endpoint. This example uses the Singapore region. For other regions, see: https://www.alibabacloud.com/help/model-studio/image-to-video-api-reference
        Constants.baseHttpApiUrl = "https://{WorkspaceId}.ap-southeast-1.maas.aliyuncs.com/api/v1";
    }

    // If the environment variable is not set, replace the following line with your API key from Model Studio: apiKey="sk-xxx"
    // Get your API key: https://www.alibabacloud.com/help/model-studio/get-api-key
    static String apiKey = System.getenv("DASHSCOPE_API_KEY");

    /**
     * Image input methods: Choose one of the following three.
     *
     * 1. Public URL: Ideal for images that are already publicly accessible.
     * 2. Local file: Suitable for local development and testing.
     * 3. Base64 encoding: Best for private images or when data must be securely transmitted.
     */

    // [Method 1] Public URL
    static String imgUrl = "https://help-static-aliyun-doc.aliyuncs.com/file-manage-files/zh-CN/20250925/wpimhv/rap.png";

    // [Method 2] Local file path (file:// + absolute path)
    // static String imgUrl = "file://" + "/your/path/to/img.png";    // Linux/macOS
    // static String imgUrl = "file://" + "C:/your/path/to/img.png";  // Windows

    // [Method 3] Base64 encoding
    // static String imgUrl = Image2Video.encodeFile("/your/path/to/img.png");

    // Set the audio URL
    static String audioUrl = "https://help-static-aliyun-doc.aliyuncs.com/file-manage-files/zh-CN/20250925/ozwpvi/rap.mp3";

    public static void image2video() throws ApiException, NoApiKeyException, InputRequiredException {
        // Set the parameters
        Map<String, Object> parameters = new HashMap<>();
        parameters.put("prompt_extend", true);
        parameters.put("watermark", false);
        parameters.put("seed", 12345);

        VideoSynthesis vs = new VideoSynthesis();
        VideoSynthesisParam param =
                VideoSynthesisParam.builder()
                        .apiKey(apiKey)
                        .model("wan2.6-i2v-flash")
                        .prompt("A scene of urban fantasy art. A dynamic graffiti art character. A boy made of spray paint comes to life from a concrete wall. He raps an English song at high speed while striking a classic, energetic rapper pose. The scene is set under an urban railway bridge at night. The lighting comes from a single street lamp, creating a cinematic atmosphere full of high energy and amazing detail. The audio of the video consists entirely of his rap, with no other dialogue or noise.")
                        .imgUrl(imgUrl)
                        .audioUrl(audioUrl)
                        .duration(10)
                        .parameters(parameters)
                        .resolution("720P")
                        .negativePrompt("")
                        .build();
        System.out.println("please wait...");
        VideoSynthesisResult result = vs.call(param);
        System.out.println(JsonUtils.toJson(result));
    }

     /**
     * Encodes a file into a Base64 string.
     * @param filePath The file path.
     * @return A Base64 string in the format data:{MIME_type};base64,{base64_data}.
     */
    public static String encodeFile(String filePath) {
        Path path = Paths.get(filePath);
        if (!Files.exists(path)) {
            throw new IllegalArgumentException("File does not exist: " + filePath);
        }
        // Detect MIME type
        String mimeType = null;
        try {
            mimeType = Files.probeContentType(path);
        } catch (IOException e) {
            throw new IllegalArgumentException("Cannot detect file type: " + filePath);
        }
        if (mimeType == null || !mimeType.startsWith("image/")) {
            throw new IllegalArgumentException("Unsupported or unrecognized image format");
        }
        // Read file content and encode
        byte[] fileBytes = null;
        try{
            fileBytes = Files.readAllBytes(path);
        } catch (IOException e) {
            throw new IllegalArgumentException("Cannot read file content: " + filePath);
        }

        String encodedString = Base64.getEncoder().encodeToString(fileBytes);
        return "data:" + mimeType + ";base64," + encodedString;
    }

    public static void main(String[] args) {
        try {
            image2video();
        } catch (ApiException | NoApiKeyException | InputRequiredException e) {
            System.out.println(e.getMessage());
        }
        System.exit(0);
    }
}

Ejemplo de respuesta

El video_url es válido durante 24 horas. Descargue el video antes de que caduque.

{
    "request_id": "87c091bb-7a3c-4904-8501-xxxxxx",
    "output": {
        "task_id": "413ed6e4-5f3a-4f57-8d58-xxxxxx",
        "task_status": "SUCCEEDED",
        "video_url": "https://dashscope-result-bj.oss-cn-beijing.aliyuncs.com/xxx.mp4?Expires=xxx",
        "orig_prompt": "A scene of urban fantasy art. A dynamic graffiti art character. A boy made of spray paint comes to life from a concrete wall. He raps an English song at high speed while striking a classic, energetic rapper pose. The scene is set under an urban railway bridge at night. The lighting comes from a single street lamp, creating a cinematic atmosphere full of high energy and amazing detail. The audio of the video consists entirely of his rap, with no other dialogue or noise.",
        "submit_time": "2026-01-22 23:25:45.729",
        "scheduled_time": "2026-01-22 23:25:45.771",
        "end_time": "2026-01-22 23:26:44.942"
    },
    "usage": {
        "video_count": 1,
        "duration": 10.0,
        "input_video_duration": 0.0,
        "output_video_duration": 10.0,
        "SR": "720"
    },
    "status_code": 200,
    "code": "",
    "message": ""
}

Llamada asíncrona

Una llamada asíncrona devuelve inmediatamente un ID de tarea. Luego puede sondear el resultado o esperar a que finalice.

Ejemplo de solicitud

// Copyright (c) Alibaba, Inc. and its affiliates.

import com.alibaba.dashscope.aigc.videosynthesis.VideoSynthesis;
import com.alibaba.dashscope.aigc.videosynthesis.VideoSynthesisListResult;
import com.alibaba.dashscope.aigc.videosynthesis.VideoSynthesisParam;
import com.alibaba.dashscope.aigc.videosynthesis.VideoSynthesisResult;
import com.alibaba.dashscope.exception.ApiException;
import com.alibaba.dashscope.exception.InputRequiredException;
import com.alibaba.dashscope.exception.NoApiKeyException;
import com.alibaba.dashscope.task.AsyncTaskListParam;
import com.alibaba.dashscope.utils.JsonUtils;
import com.alibaba.dashscope.utils.Constants;

import java.util.HashMap;
import java.util.Map;

public class Image2Video {

    static {
        // Set the endpoint. This example uses the Singapore region. For other regions, see: https://www.alibabacloud.com/help/model-studio/image-to-video-api-reference
        Constants.baseHttpApiUrl = "https://{WorkspaceId}.ap-southeast-1.maas.aliyuncs.com/api/v1";
    }

    // If the environment variable is not set, replace the following line with your API key from Model Studio: apiKey="sk-xxx"
    // Get your API key: https://www.alibabacloud.com/help/model-studio/get-api-key
    static String apiKey = System.getenv("DASHSCOPE_API_KEY");
    // Set the input image URL
    static String imgUrl = "https://help-static-aliyun-doc.aliyuncs.com/file-manage-files/zh-CN/20250925/wpimhv/rap.png";

    // Set the audio URL
    static String audioUrl = "https://help-static-aliyun-doc.aliyuncs.com/file-manage-files/zh-CN/20250925/ozwpvi/rap.mp3";

    public static void image2video() throws ApiException, NoApiKeyException, InputRequiredException {
        // Set the parameters
        Map<String, Object> parameters = new HashMap<>();
        parameters.put("prompt_extend", true);
        parameters.put("watermark", false);
        parameters.put("seed", 12345);

        VideoSynthesis vs = new VideoSynthesis();
        VideoSynthesisParam param =
                VideoSynthesisParam.builder()
                        .apiKey(apiKey)
                        .model("wan2.6-i2v-flash")
                        .prompt("A scene of urban fantasy art. A dynamic graffiti art character. A boy made of spray paint comes to life from a concrete wall. He raps an English song at high speed while striking a classic, energetic rapper pose. The scene is set under an urban railway bridge at night. The lighting comes from a single street lamp, creating a cinematic atmosphere full of high energy and amazing detail. The audio of the video consists entirely of his rap, with no other dialogue or noise.")
                        .imgUrl(imgUrl)
                        .audioUrl(audioUrl)
                        .duration(10)
                        .parameters(parameters)
                        .resolution("720P")
                        .negativePrompt("")
                        .build();
        // Asynchronous call
        VideoSynthesisResult task = vs.asyncCall(param);
        System.out.println(JsonUtils.toJson(task));
        System.out.println("please wait...");

        // Get the result
        VideoSynthesisResult result = vs.wait(task, apiKey);
        System.out.println(JsonUtils.toJson(result));
    }

    // Get the task list
    public static void listTask() throws ApiException, NoApiKeyException {
        VideoSynthesis is = new VideoSynthesis();
        AsyncTaskListParam param = AsyncTaskListParam.builder().build();
        param.setApiKey(apiKey);
        VideoSynthesisListResult result = is.list(param);
        System.out.println(result);
    }

    // Get the result of a single task
    public static void fetchTask(String taskId) throws ApiException, NoApiKeyException {
        VideoSynthesis is = new VideoSynthesis();
        // If DASHSCOPE_API_KEY is set as an environment variable, apiKey can be null.
        VideoSynthesisResult result = is.fetch(taskId, apiKey);
        System.out.println(result.getOutput());
        System.out.println(result.getUsage());
    }

    public static void main(String[] args) {
        try {
            image2video();
        } catch (ApiException | NoApiKeyException | InputRequiredException e) {
            System.out.println(e.getMessage());
        }
        System.exit(0);
    }
}

Ejemplo de respuesta

1. Respuesta de creación de tarea

{
    "request_id": "5dbf9dc5-4f4c-9605-85ea-xxxxxxxx",
    "output": {
        "task_id": "7277e20e-aa01-4709-xxxxxxxx",
        "task_status": "PENDING"
    }
}

2. Respuesta de consulta de tarea

El video_url es válido durante 24 horas. Descargue el video antes de que caduque.

{
    "request_id": "87c091bb-7a3c-4904-8501-xxxxxx",
    "output": {
        "task_id": "413ed6e4-5f3a-4f57-8d58-xxxxxx",
        "task_status": "SUCCEEDED",
        "video_url": "https://dashscope-result-bj.oss-cn-beijing.aliyuncs.com/xxx.mp4?Expires=xxx",
        "orig_prompt": "A scene of urban fantasy art. A dynamic graffiti art character. A boy made of spray paint comes to life from a concrete wall. He raps an English song at high speed while striking a classic, energetic rapper pose. The scene is set under an urban railway bridge at night. The lighting comes from a single street lamp, creating a cinematic atmosphere full of high energy and amazing detail. The audio of the video consists entirely of his rap, with no other dialogue or noise.",
        "submit_time": "2026-01-22 23:25:45.729",
        "scheduled_time": "2026-01-22 23:25:45.771",
        "end_time": "2026-01-22 23:26:44.942"
    },
    "usage": {
        "video_count": 1,
        "duration": 10.0,
        "input_video_duration": 0.0,
        "output_video_duration": 10.0,
        "SR": "720"
    },
    "status_code": 200,
    "code": "",
    "message": ""
}