Code Examples

pip install requests

import requests
import time
import json

class VEOVideoClient:
    def __init__(self, base_url, api_key):
        self.base_url = base_url
        self.api_key = api_key
        self.headers = {
            'Content-Type': 'application/json',
            'Authorization': f'Bearer {api_key}'
        }

    def submit_task(self, prompt, model='veo3', enhance_prompt=True, images=None):
        """Submit video generation task"""
        request_body = {
            'prompt': prompt,
            'model': model,
            'enhance_prompt': enhance_prompt
        }
        
        if images:
            request_body['images'] = images

        response = requests.post(
            f'{self.base_url}/veo/v1/api/video/submit',
            headers=self.headers,
            json=request_body
        )
        
        if response.status_code != 200:
            raise Exception(f"Submission failed: {response.text}")
            
        return response.json()['data']

    def get_status(self, task_id):
        """Query task status"""
        response = requests.get(
            f'{self.base_url}/veo/v1/api/video/status/{task_id}',
            headers={'Authorization': f'Bearer {self.api_key}'}
        )
        
        if response.status_code != 200:
            raise Exception(f"Query failed: {response.text}")
            
        return response.json()['data']

    def wait_for_completion(self, task_id, max_wait=1800, poll_interval=10):
        """Wait for task completion (max 30 minutes)"""
        start_time = time.time()
        
        while time.time() - start_time < max_wait:
            status_data = self.get_status(task_id)
            status = status_data.get('status')
            
            if status == 'completed':
                return status_data['result']
            elif status == 'failed':
                raise Exception(f"Generation failed: {status_data.get('error')}")
            
            print(f"Task in progress... Status: {status}")
            time.sleep(poll_interval)
        
        raise Exception("Wait timeout")

# Usage example
if __name__ == "__main__":
    client = VEOVideoClient('https://api.laozhang.ai', 'your-api-key')
    
    try:
        # Submit task
        task = client.submit_task(
            prompt='A cat walking in the rainy night, preparing to catch a mouse',
            model='veo3',
            enhance_prompt=True
        )
        print(f'Task submitted, ID: {task["taskId"]}')
        
        # Wait for completion
        result = client.wait_for_completion(task['taskId'])
        print(f'Video generated successfully!')
        print(f'Video URL: {result["video_url"]}')
        
    except Exception as e:
        print(f'Error: {e}')

npm install axios

const axios = require('axios');

class VEOVideoClient {
    constructor(baseUrl, apiKey) {
        this.baseUrl = baseUrl;
        this.apiKey = apiKey;
        this.headers = {
            'Content-Type': 'application/json',
            'Authorization': `Bearer ${apiKey}`
        };
    }

    async submitTask(prompt, model = 'veo3', enhancePrompt = true, images = null) {
        const requestBody = {
            prompt,
            model,
            enhance_prompt: enhancePrompt
        };

        if (images) {
            requestBody.images = images;
        }

        try {
            const response = await axios.post(
                `${this.baseUrl}/veo/v1/api/video/submit`,
                requestBody,
                { headers: this.headers }
            );

            return response.data.data;
        } catch (error) {
            throw new Error(`Submission failed: ${error.response?.data?.message || error.message}`);
        }
    }

    async getStatus(taskId) {
        try {
            const response = await axios.get(
                `${this.baseUrl}/veo/v1/api/video/status/${taskId}`,
                { headers: { 'Authorization': `Bearer ${this.apiKey}` } }
            );

            return response.data.data;
        } catch (error) {
            throw new Error(`Query failed: ${error.response?.data?.message || error.message}`);
        }
    }

    async waitForCompletion(taskId, maxWait = 1800, pollInterval = 10) {
        const startTime = Date.now();

        while ((Date.now() - startTime) / 1000 < maxWait) {
            const statusData = await this.getStatus(taskId);
            const status = statusData.status;

            if (status === 'completed') {
                return statusData.result;
            } else if (status === 'failed') {
                throw new Error(`Generation failed: ${statusData.error}`);
            }

            console.log(`Task in progress... Status: ${status}`);
            await new Promise(resolve => setTimeout(resolve, pollInterval * 1000));
        }

        throw new Error('Wait timeout');
    }
}

// Usage example
async function main() {
    const client = new VEOVideoClient('https://api.laozhang.ai', 'your-api-key');

    try {
        // Submit task
        const task = await client.submitTask(
            'A cat walking in the rainy night, preparing to catch a mouse',
            'veo3',
            true
        );
        console.log(`Task submitted, ID: ${task.taskId}`);

        // Wait for completion
        const result = await client.waitForCompletion(task.taskId);
        console.log('Video generated successfully!');
        console.log(`Video URL: ${result.video_url}`);

    } catch (error) {
        console.error('Error:', error.message);
    }
}

main();

package main

import (
    "bytes"
    "encoding/json"
    "fmt"
    "io/ioutil"
    "net/http"
    "time"
)

type VEOClient struct {
    BaseURL string
    APIKey  string
}

type SubmitRequest struct {
    Prompt        string   `json:"prompt"`
    Model         string   `json:"model"`
    EnhancePrompt bool     `json:"enhance_prompt"`
    Images        []string `json:"images,omitempty"`
}

type Response struct {
    Success bool `json:"success"`
    Data    struct {
        TaskID string `json:"taskId"`
        Status string `json:"status"`
        Result struct {
            VideoURL string `json:"video_url"`
        } `json:"result"`
    } `json:"data"`
}

func (c *VEOClient) SubmitTask(prompt, model string, enhancePrompt bool) (string, error) {
    reqBody := SubmitRequest{
        Prompt:        prompt,
        Model:         model,
        EnhancePrompt: enhancePrompt,
    }

    jsonData, _ := json.Marshal(reqBody)
    req, err := http.NewRequest("POST", c.BaseURL+"/veo/v1/api/video/submit", bytes.NewBuffer(jsonData))
    if err != nil {
        return "", err
    }

    req.Header.Set("Content-Type", "application/json")
    req.Header.Set("Authorization", "Bearer "+c.APIKey)

    client := &http.Client{}
    resp, err := client.Do(req)
    if err != nil {
        return "", err
    }
    defer resp.Body.Close()

    body, _ := ioutil.ReadAll(resp.Body)
    var response Response
    json.Unmarshal(body, &response)

    if !response.Success {
        return "", fmt.Errorf("Submission failed")
    }

    return response.Data.TaskID, nil
}

func (c *VEOClient) GetStatus(taskID string) (*Response, error) {
    req, err := http.NewRequest("GET", c.BaseURL+"/veo/v1/api/video/status/"+taskID, nil)
    if err != nil {
        return nil, err
    }

    req.Header.Set("Authorization", "Bearer "+c.APIKey)

    client := &http.Client{}
    resp, err := client.Do(req)
    if err != nil {
        return nil, err
    }
    defer resp.Body.Close()

    body, _ := ioutil.ReadAll(resp.Body)
    var response Response
    json.Unmarshal(body, &response)

    return &response, nil
}

func main() {
    client := VEOClient{
        BaseURL: "https://api.laozhang.ai",
        APIKey:  "your-api-key",
    }

    // Submit task
    taskID, err := client.SubmitTask("A cat walking in the rainy night", "veo3", true)
    if err != nil {
        fmt.Printf("Error: %v\n", err)
        return
    }
    fmt.Printf("Task submitted, ID: %s\n", taskID)

    // Poll status
    for {
        time.Sleep(10 * time.Second)
        status, err := client.GetStatus(taskID)
        if err != nil {
            fmt.Printf("Query error: %v\n", err)
            continue
        }

        if status.Data.Status == "completed" {
            fmt.Printf("Video generated successfully!\n")
            fmt.Printf("Video URL: %s\n", status.Data.Result.VideoURL)
            break
        } else if status.Data.Status == "failed" {
            fmt.Printf("Generation failed\n")
            break
        }

        fmt.Printf("Task in progress... Status: %s\n", status.Data.Status)
    }
}

import com.google.gson.Gson;
import okhttp3.*;
import java.io.IOException;
import java.util.concurrent.TimeUnit;

public class VEOVideoClient {
    private final String baseUrl;
    private final String apiKey;
    private final OkHttpClient client;
    private final Gson gson;

    public VEOVideoClient(String baseUrl, String apiKey) {
        this.baseUrl = baseUrl;
        this.apiKey = apiKey;
        this.client = new OkHttpClient.Builder()
                .connectTimeout(30, TimeUnit.SECONDS)
                .readTimeout(30, TimeUnit.SECONDS)
                .build();
        this.gson = new Gson();
    }

    public static class SubmitRequest {
        String prompt;
        String model;
        boolean enhance_prompt;
        String[] images;

        public SubmitRequest(String prompt, String model, boolean enhancePrompt) {
            this.prompt = prompt;
            this.model = model;
            this.enhance_prompt = enhancePrompt;
        }
    }

    public static class ApiResponse {
        boolean success;
        Data data;

        public static class Data {
            String taskId;
            String status;
            Result result;

            public static class Result {
                String video_url;
            }
        }
    }

    public String submitTask(String prompt, String model, boolean enhancePrompt) throws IOException {
        SubmitRequest request = new SubmitRequest(prompt, model, enhancePrompt);
        String json = gson.toJson(request);

        RequestBody body = RequestBody.create(
                json, MediaType.parse("application/json"));

        Request httpRequest = new Request.Builder()
                .url(baseUrl + "/veo/v1/api/video/submit")
                .post(body)
                .addHeader("Authorization", "Bearer " + apiKey)
                .addHeader("Content-Type", "application/json")
                .build();

        try (Response response = client.newCall(httpRequest).execute()) {
            if (!response.isSuccessful()) {
                throw new IOException("Submission failed: " + response);
            }

            ApiResponse apiResponse = gson.fromJson(
                    response.body().string(), ApiResponse.class);
            
            return apiResponse.data.taskId;
        }
    }

    public ApiResponse getStatus(String taskId) throws IOException {
        Request request = new Request.Builder()
                .url(baseUrl + "/veo/v1/api/video/status/" + taskId)
                .addHeader("Authorization", "Bearer " + apiKey)
                .build();

        try (Response response = client.newCall(request).execute()) {
            if (!response.isSuccessful()) {
                throw new IOException("Query failed: " + response);
            }

            return gson.fromJson(
                    response.body().string(), ApiResponse.class);
        }
    }

    public static void main(String[] args) throws Exception {
        VEOVideoClient client = new VEOVideoClient(
                "https://api.laozhang.ai", "your-api-key");

        // Submit task
        String taskId = client.submitTask(
                "A cat walking in the rainy night", "veo3", true);
        System.out.println("Task submitted, ID: " + taskId);

        // Poll status
        while (true) {
            Thread.sleep(10000); // Wait 10 seconds
            
            ApiResponse status = client.getStatus(taskId);
            String currentStatus = status.data.status;
            
            if ("completed".equals(currentStatus)) {
                System.out.println("Video generated successfully!");
                System.out.println("Video URL: " + status.data.result.video_url);
                break;
            } else if ("failed".equals(currentStatus)) {
                System.out.println("Generation failed");
                break;
            }
            
            System.out.println("Task in progress... Status: " + currentStatus);
        }
    }
}

# Submit task
curl -X POST "https://api.laozhang.ai/veo/v1/api/video/submit" \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer your-api-key" \
  -d '{
    "prompt": "A cat walking in the rainy night",
    "model": "veo3"
  }'

# Query status
curl -X GET "https://api.laozhang.ai/veo/v1/api/video/status/YOUR_TASK_ID" \
  -H "Authorization: Bearer your-api-key"

#!/bin/bash

API_KEY="your-api-key"
BASE_URL="https://api.laozhang.ai"

# Submit task
submit_video() {
    local prompt="$1"
    local model="${2:-veo3}"
    
    response=$(curl -s -X POST "$BASE_URL/veo/v1/api/video/submit" \
        -H "Content-Type: application/json" \
        -H "Authorization: Bearer $API_KEY" \
        -d "{
            \"prompt\": \"$prompt\",
            \"model\": \"$model\",
            \"enhance_prompt\": true
        }")
    
    echo "$response" | jq -r '.data.taskId'
}

# Query status
check_status() {
    local task_id="$1"
    
    curl -s -X GET "$BASE_URL/veo/v1/api/video/status/$task_id" \
        -H "Authorization: Bearer $API_KEY" | jq
}

# Wait for completion
wait_for_completion() {
    local task_id="$1"
    
    while true; do
        response=$(check_status "$task_id")
        status=$(echo "$response" | jq -r '.data.status')
        
        case "$status" in
            "completed")
                video_url=$(echo "$response" | jq -r '.data.result.video_url')
                echo "Video generated successfully!"
                echo "Video URL: $video_url"
                break
                ;;
            "failed")
                echo "Generation failed"
                break
                ;;
            *)
                echo "Task in progress... Status: $status"
                sleep 10
                ;;
        esac
    done
}

# Usage example
echo "Submitting video generation task..."
task_id=$(submit_video "A cat walking in the rainy night")
echo "Task ID: $task_id"

wait_for_completion "$task_id"