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seedance-1-5-pro 视频生成

  • 异步处理模式,返回任务ID用于后续查询
  • 支持文本转视频、图生视频(首帧/尾帧)
  • 支持音频生成
  • 支持横屏、竖屏、方形多种比例
请求示例
curl --request POST \
  --url https://26j.cn/v1/videos/generations \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
    "model": "seedance-1-5-pro",
    "prompt": "一只可爱的小猫在阳光下玩耍,毛发蓬松,眼睛明亮",
    "duration": 5,
    "aspect_ratio": "16:9",
    "resolution": "720p",
    "audio": true
  }'
import requests

url = "https://26j.cn/v1/videos/generations"

payload = {
    "model": "seedance-1-5-pro",
    "prompt": "一只可爱的小猫在阳光下玩耍,毛发蓬松,眼睛明亮",
    "duration": 5,
    "aspect_ratio": "16:9",
    "resolution": "720p",
    "audio": True
}

headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.json())
const url = "https://26j.cn/v1/videos/generations";

const payload = {
  model: "seedance-1-5-pro",
  prompt: "一只可爱的小猫在阳光下玩耍,毛发蓬松,眼睛明亮",
  duration: 5,
  aspect_ratio: "16:9",
  resolution: "720p",
  audio: true
};

const headers = {
  "Authorization": "Bearer <token>",
  "Content-Type": "application/json"
};

fetch(url, {
  method: "POST",
  headers: headers,
  body: JSON.stringify(payload)
})
  .then(response => response.json())
  .then(data => console.log(data))
  .catch(error => console.error('Error:', error));
package main

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

func main() {
    url := "https://26j.cn/v1/videos/generations"

    payload := map[string]interface{}{
        "model":        "seedance-1-5-pro",
        "prompt":       "一只可爱的小猫在阳光下玩耍,毛发蓬松,眼睛明亮",
        "duration":     5,
        "aspect_ratio": "16:9",
        "resolution":   "720p",
        "audio":        true,
    }

    jsonData, _ := json.Marshal(payload)

    req, _ := http.NewRequest("POST", url, bytes.NewBuffer(jsonData))
    req.Header.Set("Authorization", "Bearer <token>")
    req.Header.Set("Content-Type", "application/json")

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

    body, _ := ioutil.ReadAll(resp.Body)
    fmt.Println(string(body))
}
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;
import java.net.URI;

public class Main {
    public static void main(String[] args) throws Exception {
        String url = "https://26j.cn/v1/videos/generations";

        String payload = """
        {
          "model": "seedance-1-5-pro",
          "prompt": "一只可爱的小猫在阳光下玩耍,毛发蓬松,眼睛明亮",
          "duration": 5,
          "aspect_ratio": "16:9",
          "resolution": "720p",
          "audio": true
        }
        """;

        HttpClient client = HttpClient.newHttpClient();
        HttpRequest request = HttpRequest.newBuilder()
            .uri(URI.create(url))
            .header("Authorization", "Bearer <token>")
            .header("Content-Type", "application/json")
            .POST(HttpRequest.BodyPublishers.ofString(payload))
            .build();

        HttpResponse<String> response = client.send(request,
            HttpResponse.BodyHandlers.ofString());

        System.out.println(response.body());
    }
}
<?php

$url = "https://26j.cn/v1/videos/generations";

$payload = [
    "model" => "seedance-1-5-pro",
    "prompt" => "一只可爱的小猫在阳光下玩耍,毛发蓬松,眼睛明亮",
    "duration" => 5,
    "aspect_ratio" => "16:9",
    "resolution" => "720p",
    "audio" => true
];

$ch = curl_init($url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($payload));
curl_setopt($ch, CURLOPT_HTTPHEADER, [
    "Authorization: Bearer <token>",
    "Content-Type: application/json"
]);

$response = curl_exec($ch);
curl_close($ch);

echo $response;
?>
require 'net/http'
require 'json'
require 'uri'

url = URI("https://26j.cn/v1/videos/generations")

payload = {
  model: "seedance-1-5-pro",
  prompt: "一只可爱的小猫在阳光下玩耍,毛发蓬松,眼睛明亮",
  duration: 5,
  aspect_ratio: "16:9",
  resolution: "720p",
  audio: true
}

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Authorization"] = "Bearer <token>"
request["Content-Type"] = "application/json"
request.body = payload.to_json

response = http.request(request)
puts response.body
import Foundation

let url = URL(string: "https://26j.cn/v1/videos/generations")!

let payload: [String: Any] = [
    "model": "seedance-1-5-pro",
    "prompt": "一只可爱的小猫在阳光下玩耍,毛发蓬松,眼睛明亮",
    "duration": 5,
    "aspect_ratio": "16:9",
    "resolution": "720p",
    "audio": true
]

var request = URLRequest(url: url)
request.httpMethod = "POST"
request.setValue("Bearer <token>", forHTTPHeaderField: "Authorization")
request.setValue("application/json", forHTTPHeaderField: "Content-Type")
request.httpBody = try? JSONSerialization.data(withJSONObject: payload)

let task = URLSession.shared.dataTask(with: request) { data, response, error in
    if let error = error {
        print("Error: \(error)")
        return
    }

    if let data = data, let responseString = String(data: data, encoding: .utf8) {
        print(responseString)
    }
}

task.resume()
using System;
using System.Net.Http;
using System.Text;
using System.Threading.Tasks;

class Program
{
    static async Task Main(string[] args)
    {
        var url = "https://26j.cn/v1/videos/generations";

        var payload = @"{
            ""model"": ""seedance-1-5-pro"",
            ""prompt"": ""一只可爱的小猫在阳光下玩耍,毛发蓬松,眼睛明亮"",
            ""duration"": 5,
            ""aspect_ratio"": ""16:9"",
            ""resolution"": ""720p"",
            ""audio"": true
        }";

        using var client = new HttpClient();
        client.DefaultRequestHeaders.Add("Authorization", "Bearer <token>");

        var content = new StringContent(payload, Encoding.UTF8, "application/json");
        var response = await client.PostAsync(url, content);
        var result = await response.Content.ReadAsStringAsync();

        Console.WriteLine(result);
    }
}
响应示例
{
  "code": 200,
  "data": [
    {
      "status": "submitted",
      "task_id": "task_01K8SGYNNNVBQTXNR4MM964S7K"
    }
  ]
}
{
  "error": {
    "code": 400,
    "message": "请求参数无效",
    "type": "invalid_request_error"
  }
}
{
  "error": {
    "code": 401,
    "message": "身份验证失败,请检查您的API密钥",
    "type": "authentication_error"
  }
}
{
  "error": {
    "code": 402,
    "message": "账户余额不足,请充值后再试",
    "type": "payment_required"
  }
}
{
  "error": {
    "code": 429,
    "message": "请求过于频繁,请稍后再试",
    "type": "rate_limit_error"
  }
}
{
  "error": {
    "code": 500,
    "message": "服务器内部错误,请稍后重试",
    "type": "server_error"
  }
}

认证

Authorizationstring必填

所有接口均需要使用 Bearer Token 进行认证

获取 API Key:

访问 API Key 管理页面 获取您的 API Key

使用时在请求头中添加:

Authorization: Bearer YOUR_API_KEY

请求参数

modelstring必填

视频生成模型名称

支持的模型:

  • seedance-1-5-pro - 1.5 Pro 版,支持音频生成和首尾帧
nsfw_checkboolean默认 false

是否在提交视频任务前执行内容审核。

  • true:使用 omni-moderation-latest 审核提示词和输入图片
  • false 或不传:不发起审核请求,不增加审核成本与延迟(默认)
promptstring必填

视频内容描述

建议详细描述场景、动作、风格等,以获得更好的生成效果

示例:"海边日落,金色阳光洒在海面上,海浪轻轻拍打沙滩"

durationinteger默认 5

视频时长(秒)

支持范围:4 \~ 12 秒

默认值:5

aspect_ratiostring默认 16:9

视频宽高比

可选值:

  • 16:9 - 横屏
  • 9:16 - 竖屏
  • 1:1 - 方形
  • 4:3 - 传统比例
  • 3:4 - 竖向传统比例
  • 21:9 - 超宽屏

默认值:16:9

resolutionstring默认 720p

视频分辨率

可选值:

  • 480p - 标清
  • 720p - 高清
  • 1080p - 全高清

默认值:720p

seedinteger

种子整数,用于控制生成内容的随机性

取值范围:-1 \~ 2^32-1 之间的整数

  • 相同的请求下,模型收到不同的 seed 值(如:不指定 seed 值或令 seed 取值为 -1,会使用随机数替代),将生成不同的结果
  • 相同的请求下,模型收到相同的 seed 值,会生成类似的结果,但不保证完全一致
audioboolean默认 true

是否生成音频

设置为 true 时,视频将包含 AI 生成的配套音频

默认值:true

音频生成仅 Seedance 2.0 系列、Seedance 1.5 Pro 支持

camerafixedboolean默认 false

是否固定摄像头

设置为 true 时,摄像头位置保持固定

默认值:false

分辨率与宽高比组合

分辨率 支持的宽高比 备注
480p 16:9, 4:3, 1:1, 3:4, 9:16, 21:9 全部支持
720p 16:9, 4:3, 1:1, 3:4, 9:16, 21:9 全部支持
1080p 16:9, 4:3, 1:1, 3:4, 9:16, 21:9 全部支持
image_urlsarray<url>

图片 URL 数组,用于图生视频

自动分配角色规则:

  • 1张 = 首帧
  • 2张 = 首帧 + 尾帧

示例:["https://example.com/first.png", "https://example.com/last.png"]

  • image_urls 和 image_with_roles 不能同时使用
image_with_rolesarray

带角色的图片数组,支持更精细的控制

示例:

[
  {"url": "https://example.com/start.png", "role": "first_frame"},
  {"url": "https://example.com/end.png", "role": "last_frame"}
]
  • image_urls 和 image_with_roles 不能同时使用
  • 首帧和尾帧仅支持各一张

响应

codeinteger

响应状态码,成功时为 200

dataarray

返回数据数组

使用场景

场景 1:带音频的文生视频

{
  "model": "seedance-1-5-pro",
  "prompt": "海边日落,金色阳光洒在海面上,海浪轻轻拍打沙滩",
  "audio": true
}

场景 2:高质量竖屏短视频

{
  "model": "seedance-1-5-pro",
  "prompt": "一位女孩在樱花树下旋转,花瓣随风飘落",
  "duration": 5,
  "aspect_ratio": "9:16",
  "resolution": "720p",
  "audio": true
}

场景 3:基于首帧生成动态视频

{
  "model": "seedance-1-5-pro",
  "prompt": "让画面动起来,添加自然的动态效果",
  "image_urls": ["https://example.com/first.png"],
  "duration": 5,
  "audio": true
}

场景 4:首尾帧控制的转场效果

{
  "model": "seedance-1-5-pro",
  "prompt": "画面从白天逐渐过渡到夜晚,城市灯光逐渐亮起",
  "image_with_roles": [
    {"url": "https://example.com/day.png", "role": "first_frame"},
    {"url": "https://example.com/night.png", "role": "last_frame"}
  ],
  "duration": 5
}

查询任务结果

视频生成为异步任务,提交后会返回 task_id。使用 获取任务状态 接口查询生成进度和结果。

与 1.0 版本的差异

特性 1.0 fast/quality 1.5 Pro
默认分辨率 1080p 720p
支持分辨率 480p/720p/1080p 480p/720p/1080p
时长范围 2-12秒 4-12秒
音频生成 不支持 支持
参考图 reference (1张) 不支持

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