Midjourney 扩图

POST /v3/async/mj-outpaint

Midjourney 扩图

cURL

curl --request POST \
  --url https://api.highwayapi.ai/v3/async/mj-outpaint \
  --header 'Authorization: <authorization>' \
  --header 'Content-Type: <content-type>' \
  --data '
{
  "image_no": 123,
  "task_id": "<string>",
  "remix_prompt": "<string>",
  "scale": 123
}
'

import requests

url = "https://api.highwayapi.ai/v3/async/mj-outpaint"

payload = {
    "image_no": 123,
    "task_id": "<string>",
    "remix_prompt": "<string>",
    "scale": 123
}
headers = {
    "Content-Type": "<content-type>",
    "Authorization": "<authorization>"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'Content-Type': '<content-type>', Authorization: '<authorization>'},
  body: JSON.stringify({image_no: 123, task_id: '<string>', remix_prompt: '<string>', scale: 123})
};

fetch('https://api.highwayapi.ai/v3/async/mj-outpaint', 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.highwayapi.ai/v3/async/mj-outpaint",
  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([
    'image_no' => 123,
    'task_id' => '<string>',
    'remix_prompt' => '<string>',
    'scale' => 123
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: <authorization>",
    "Content-Type: <content-type>"
  ],
]);

$response = curl_exec($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.highwayapi.ai/v3/async/mj-outpaint"

	payload := strings.NewReader("{\n  \"image_no\": 123,\n  \"task_id\": \"<string>\",\n  \"remix_prompt\": \"<string>\",\n  \"scale\": 123\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Content-Type", "<content-type>")
	req.Header.Add("Authorization", "<authorization>")

	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.highwayapi.ai/v3/async/mj-outpaint")
  .header("Content-Type", "<content-type>")
  .header("Authorization", "<authorization>")
  .body("{\n  \"image_no\": 123,\n  \"task_id\": \"<string>\",\n  \"remix_prompt\": \"<string>\",\n  \"scale\": 123\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.highwayapi.ai/v3/async/mj-outpaint")

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

request = Net::HTTP::Post.new(url)
request["Content-Type"] = '<content-type>'
request["Authorization"] = '<authorization>'
request.body = "{\n  \"image_no\": 123,\n  \"task_id\": \"<string>\",\n  \"remix_prompt\": \"<string>\",\n  \"scale\": 123\n}"

response = http.request(request)
puts response.read_body

200

{
  "task_id": "<string>"
}

使用 Midjourney 扩图功能，对已生成的图像进行外扩处理，在保持原图内容的基础上扩展图像边界。该接口采用异步处理方式，客户端需要通过 task_id 查询最终生成结果。

​

请求头

Content-Type · string · 必填

枚举值: application/json

Authorization · string · 必填

Bearer 身份验证格式: Bearer {{API 密钥}}。

​

请求体

image_no · integer · 必填

图片编号，用于指定要进行扩图的图片。

取值范围：0~3

task_id · string · 必填

原始图像生成任务的唯一标识符。

remix_prompt · string · 必填

扩图区域提示词，用于描述扩展区域的内容。

长度限制：1-8192 个字符。

scale · float · 必填

扩图目标比例，即在视图中新图所占区域相较原图区域的倍数。

取值范围：1.1~2.0

例如：一个 1:1 图片扩图后，外扩 20%（scale=1.2）

​

响应信息参数

task_id · string · 必填

异步任务的 task_id。您应该使用该 task_id 请求 查询任务结果 API 以获取生成结果