curl --request POST \
--url https://api.evolink.ai/v1/images/generations \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '
{
"model": "doubao-seedream-5.0-pro",
"prompt": "一片宁静的湖水倒映着夕阳的美景",
"size": "16:9",
"quality": "2K"
}
'import requests
url = "https://api.evolink.ai/v1/images/generations"
payload = {
"model": "doubao-seedream-5.0-pro",
"prompt": "一片宁静的湖水倒映着夕阳的美景",
"size": "16:9",
"quality": "2K"
}
headers = {
"Authorization": "Bearer <token>",
"Content-Type": "application/json"
}
response = requests.post(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'POST',
headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
body: JSON.stringify({
model: 'doubao-seedream-5.0-pro',
prompt: '一片宁静的湖水倒映着夕阳的美景',
size: '16:9',
quality: '2K'
})
};
fetch('https://api.evolink.ai/v1/images/generations', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));<?php
$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_URL => "https://api.evolink.ai/v1/images/generations",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "POST",
CURLOPT_POSTFIELDS => json_encode([
'model' => 'doubao-seedream-5.0-pro',
'prompt' => '一片宁静的湖水倒映着夕阳的美景',
'size' => '16:9',
'quality' => '2K'
]),
CURLOPT_HTTPHEADER => [
"Authorization: Bearer <token>",
"Content-Type: application/json"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}package main
import (
"fmt"
"strings"
"net/http"
"io"
)
func main() {
url := "https://api.evolink.ai/v1/images/generations"
payload := strings.NewReader("{\n \"model\": \"doubao-seedream-5.0-pro\",\n \"prompt\": \"一片宁静的湖水倒映着夕阳的美景\",\n \"size\": \"16:9\",\n \"quality\": \"2K\"\n}")
req, _ := http.NewRequest("POST", url, payload)
req.Header.Add("Authorization", "Bearer <token>")
req.Header.Add("Content-Type", "application/json")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}HttpResponse<String> response = Unirest.post("https://api.evolink.ai/v1/images/generations")
.header("Authorization", "Bearer <token>")
.header("Content-Type", "application/json")
.body("{\n \"model\": \"doubao-seedream-5.0-pro\",\n \"prompt\": \"一片宁静的湖水倒映着夕阳的美景\",\n \"size\": \"16:9\",\n \"quality\": \"2K\"\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.evolink.ai/v1/images/generations")
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 = "{\n \"model\": \"doubao-seedream-5.0-pro\",\n \"prompt\": \"一片宁静的湖水倒映着夕阳的美景\",\n \"size\": \"16:9\",\n \"quality\": \"2K\"\n}"
response = http.request(request)
puts response.read_body{
"created": 1757165031,
"id": "task-unified-1757165031-seedream5pro",
"model": "doubao-seedream-5.0-pro",
"object": "image.generation.task",
"progress": 0,
"status": "pending",
"task_info": {
"can_cancel": true,
"estimated_time": 45
},
"type": "image",
"usage": {
"billing_rule": "per_call",
"credits_reserved": 1.8,
"user_group": "default"
}
}{
"error": {
"code": "invalid_request",
"message": "Invalid request parameters",
"type": "invalid_request_error"
}
}{
"error": {
"code": "unauthorized",
"message": "Invalid or expired token",
"type": "authentication_error"
}
}{
"error": {
"code": "insufficient_quota",
"message": "Insufficient quota. Please top up your account.",
"type": "insufficient_quota"
}
}{
"error": {
"code": "model_access_denied",
"message": "Token does not have access to model: doubao-seedream-5.0-pro",
"type": "invalid_request_error"
}
}{
"error": {
"code": "rate_limit_exceeded",
"message": "Too many requests, please try again later",
"type": "rate_limit_error"
}
}{
"error": {
"code": "internal_error",
"message": "Internal server error",
"type": "api_error"
}
}Seedream 5.0 Pro 图像生成
- Seedream 5.0 Pro (doubao-seedream-5.0-pro) 模型支持文本转图片、图生图、图像编辑等多种生成模式
- 异步处理模式,使用返回的任务ID 进行查询
- 生成的图像链接,有效期为24小时,请尽快保存
curl --request POST \
--url https://api.evolink.ai/v1/images/generations \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '
{
"model": "doubao-seedream-5.0-pro",
"prompt": "一片宁静的湖水倒映着夕阳的美景",
"size": "16:9",
"quality": "2K"
}
'import requests
url = "https://api.evolink.ai/v1/images/generations"
payload = {
"model": "doubao-seedream-5.0-pro",
"prompt": "一片宁静的湖水倒映着夕阳的美景",
"size": "16:9",
"quality": "2K"
}
headers = {
"Authorization": "Bearer <token>",
"Content-Type": "application/json"
}
response = requests.post(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'POST',
headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
body: JSON.stringify({
model: 'doubao-seedream-5.0-pro',
prompt: '一片宁静的湖水倒映着夕阳的美景',
size: '16:9',
quality: '2K'
})
};
fetch('https://api.evolink.ai/v1/images/generations', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));<?php
$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_URL => "https://api.evolink.ai/v1/images/generations",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "POST",
CURLOPT_POSTFIELDS => json_encode([
'model' => 'doubao-seedream-5.0-pro',
'prompt' => '一片宁静的湖水倒映着夕阳的美景',
'size' => '16:9',
'quality' => '2K'
]),
CURLOPT_HTTPHEADER => [
"Authorization: Bearer <token>",
"Content-Type: application/json"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}package main
import (
"fmt"
"strings"
"net/http"
"io"
)
func main() {
url := "https://api.evolink.ai/v1/images/generations"
payload := strings.NewReader("{\n \"model\": \"doubao-seedream-5.0-pro\",\n \"prompt\": \"一片宁静的湖水倒映着夕阳的美景\",\n \"size\": \"16:9\",\n \"quality\": \"2K\"\n}")
req, _ := http.NewRequest("POST", url, payload)
req.Header.Add("Authorization", "Bearer <token>")
req.Header.Add("Content-Type", "application/json")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}HttpResponse<String> response = Unirest.post("https://api.evolink.ai/v1/images/generations")
.header("Authorization", "Bearer <token>")
.header("Content-Type", "application/json")
.body("{\n \"model\": \"doubao-seedream-5.0-pro\",\n \"prompt\": \"一片宁静的湖水倒映着夕阳的美景\",\n \"size\": \"16:9\",\n \"quality\": \"2K\"\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.evolink.ai/v1/images/generations")
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 = "{\n \"model\": \"doubao-seedream-5.0-pro\",\n \"prompt\": \"一片宁静的湖水倒映着夕阳的美景\",\n \"size\": \"16:9\",\n \"quality\": \"2K\"\n}"
response = http.request(request)
puts response.read_body{
"created": 1757165031,
"id": "task-unified-1757165031-seedream5pro",
"model": "doubao-seedream-5.0-pro",
"object": "image.generation.task",
"progress": 0,
"status": "pending",
"task_info": {
"can_cancel": true,
"estimated_time": 45
},
"type": "image",
"usage": {
"billing_rule": "per_call",
"credits_reserved": 1.8,
"user_group": "default"
}
}{
"error": {
"code": "invalid_request",
"message": "Invalid request parameters",
"type": "invalid_request_error"
}
}{
"error": {
"code": "unauthorized",
"message": "Invalid or expired token",
"type": "authentication_error"
}
}{
"error": {
"code": "insufficient_quota",
"message": "Insufficient quota. Please top up your account.",
"type": "insufficient_quota"
}
}{
"error": {
"code": "model_access_denied",
"message": "Token does not have access to model: doubao-seedream-5.0-pro",
"type": "invalid_request_error"
}
}{
"error": {
"code": "rate_limit_exceeded",
"message": "Too many requests, please try again later",
"type": "rate_limit_error"
}
}{
"error": {
"code": "internal_error",
"message": "Internal server error",
"type": "api_error"
}
}授权
##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
请求体
图像生成模型名称
doubao-seedream-5.0-pro "doubao-seedream-5.0-pro"
提示词,描述想要生成的图像,或描述如何编辑已输入的图像
语言支持: 中英文之外,Seedream 5.0 Pro 还支持俄语、阿拉伯语、菲律宾语、泰语、土耳其语、韩语、马来语、西班牙语、葡萄牙语、印尼语、法语、德语、越南语、日语。
长度限制: 最多 4000 tokens(中文约 2600 字、英文约 5000 词),超出返回 400 且不计费。
效果建议: 建议中文不超过 300 字、英文不超过 600 词。过长虽在限额内,但信息容易分散,模型可能忽略细节导致画面元素缺失。
"一片宁静的湖水倒映着夕阳的美景"
生成图像的尺寸,支持两种格式:
方式1 - 比例格式:
auto、1:1、2:3、3:2、3:4、4:3、4:5、5:4、9:16、16:9、21:9、9:21- 配合
quality参数使用,系统自动生成对应比例和分辨率的图片,无需手动指定像素
方式2 - 像素格式:
- 宽度x高度,如:
1024x1024、2048x2048等在范围内的值 - 总像素取值范围:
[921600, 4624220] - 宽高比取值范围:
[1/16, 16] - 宽高均需大于
14px
不传 size 时默认 auto。auto 表示不指定具体比例,由模型依据 prompt 自行判断构图,输出分辨率取 quality 指定的档位。
"16:9"
分辨率档位,与 size 的比例格式配合使用,默认 1K。
| 比例 | 1K | 1.5K | 2K |
|---|---|---|---|
1:1 | 1024×1024 | 1536×1536 | 2048×2048 |
2:3 | 832×1248 | 1248×1872 | 1664×2496 |
3:2 | 1248×832 | 1872×1248 | 2496×1664 |
3:4 | 864×1152 | 1344×1792 | 1776×2368 |
4:3 | 1152×864 | 1792×1344 | 2368×1776 |
4:5 | 896×1120 | 1344×1680 | 1792×2240 |
5:4 | 1120×896 | 1680×1344 | 2240×1792 |
9:16 | 800×1424 | 1152×2048 | 1584×2816 |
16:9 | 1424×800 | 2048×1152 | 2816×1584 |
21:9 | 1568×672 | 2352×1008 | 3136×1344 |
9:21 | 672×1568 | 1008×2352 | 1344×3136 |
计费说明:
1K与1.5K单价相同,1.5K画质更优,推荐优先使用1.5K- 使用像素格式的
size时,按实际输出总像素判档:不超过2610000走低档价,超过则走高档价
1K, 1.5K, 2K "2K"
提示词优化策略,用于设置提示词优化功能的模式
可选值:
standard:标准模式,生成内容质量更高,耗时较长fast:快速模式,生成耗时更短,效果略低于标准模式
standard, fast "standard"
参考图像URL列表,用于图生图与图像编辑功能
注意:
- 单次请求支持输入图像数量:
10张 - 图像大小:不超过
30MB - 支持的图像格式:
.jpeg、.jpg、.png、.webp、.bmp、.tiff、.gif、.heic、.heif - 宽高比(宽/高)范围:
[1/16, 16] - 宽高长度(px)> 14
- 总像素范围:
[196, 6000×6000] - 图像URL需要服务器能直接查看,或者图像URL在访问时会直接进行下载(一般这种URL是以图像的扩展名作为结尾,例如
.png、.jpg)
10[
"https://example.com/image1.png",
"https://example.com/image2.png"
]
输出图片格式
可选值:
png: PNG 格式jpeg: JPEG 格式
注意: 传 background=transparent 时输出固定为 png,此时再指定 output_format=jpeg 会被拒绝。
png, jpeg "jpeg"
是否在生成图像中添加水印
false
透明通道开关
可选值:
opaque:常规实底背景(默认)transparent:保留输入图已有的透明通道
transparent是保留输入图原有的透明背景,不是抠图去背景。
限制(仅对 transparent 生效):
- 必须且只能传 1 张输入图,且该图本身带透明通道
- 输出固定为 png,同时传
output_format=jpeg会被拒绝 - 输入图为不支持透明通道的格式(如 jpeg)会被模型拒绝
opaque, transparent "opaque"
任务完成后的HTTPS回调地址
回调时机:
- 任务完成(completed)、失败(failed)或取消(cancelled)时触发
- 在计费确认完成后发送
安全限制:
- 仅支持HTTPS协议
- 禁止回调到内网IP地址(127.0.0.1、10.x.x.x、172.16-31.x.x、192.168.x.x等)
- URL长度不超过
2048字符
回调机制:
- 超时时间:
10秒 - 失败后最多重试
3次(会分别在失败的1秒/2秒/4秒后进行重试) - 回调响应体格式与任务查询接口返回的格式一致
- 回调地址若返回2xx状态码视为成功,其他状态码会触发重试
"https://your-domain.com/webhooks/image-task-completed"
响应
图像生成任务创建成功
任务创建时间戳
1757165031
任务ID
"task-unified-1757165031-seedream5pro"
实际使用的模型名称
"doubao-seedream-5.0-pro"
任务的具体类型
image.generation.task 任务进度百分比 (0-100)
0 <= x <= 1000
任务状态
pending, processing, completed, failed "pending"
异步任务信息
Show child attributes
Show child attributes
任务的输出类型
text, image, audio, video "image"
使用量和计费信息
Show child attributes
Show child attributes