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Imagine(文生图)

Midjourney 文生图 / 垫图。默认入口 /v1/midjourney/generations 与显式入口 /imagine 行为一致

请求示例
curl --request POST \
  --url https://26j.cn/v1/midjourney/generations \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
    "prompt": "a beautiful sunset over mountains",
    "size": "16:9",
    "version": "6.1",
    "speed": "fast"
  }'
import requests

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

payload = {
    "prompt": "a beautiful sunset over mountains",
    "size": "16:9",
    "version": "6.1",
    "speed": "fast"
}

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/midjourney/generations";

const payload = {
  prompt: "a beautiful sunset over mountains",
  size: "16:9",
  version: "6.1",
  speed: "fast"
};

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/midjourney/generations"

    payload := map[string]interface{}{
        "prompt": "a beautiful sunset over mountains",
        "size": "16:9",
        "version": "6.1",
        "speed": "fast",
    }

    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/midjourney/generations";

        String payload = """
        {
          "prompt": "a beautiful sunset over mountains",
          "size": "16:9",
          "version": "6.1",
          "speed": "fast"
        }
        """;

        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/midjourney/generations";

$payload = [
    "prompt" => "a beautiful sunset over mountains",
    "size" => "16:9",
    "version" => "6.1",
    "speed" => "fast",
];

$ch = curl_init($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/midjourney/generations")

payload = {
  prompt: "a beautiful sunset over mountains",
  size: "16:9",
  version: "6.1",
  speed: "fast",
}

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/midjourney/generations")!

let payload: [String: Any] = [
    "prompt": "a beautiful sunset over mountains",
    "size": "16:9",
    "version": "6.1",
    "speed": "fast",
]

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/midjourney/generations";

        var payload = @"{
            ""prompt"": ""a beautiful sunset over mountains"",
            ""size"": ""16:9"",
            ""version"": ""6.1"",
            ""speed"": ""fast""
        }";

        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);
    }
}
#include <stdio.h>
#include <curl/curl.h>

int main(void) {
    CURL *curl;
    CURLcode res;

    curl_global_init(CURL_GLOBAL_DEFAULT);
    curl = curl_easy_init();

    if(curl) {
        const char *url = "https://26j.cn/v1/midjourney/generations";
        const char *payload = "{"
            "\"prompt\":\"a beautiful sunset over mountains\","
            "\"size\":\"16:9\","
            "\"version\":\"6.1\","
            "\"speed\":\"fast\""
        "}";

        struct curl_slist *headers = NULL;
        headers = curl_slist_append(headers, "Authorization: Bearer <token>");
        headers = curl_slist_append(headers, "Content-Type: application/json");

        curl_easy_setopt(curl, CURLOPT_URL, url);
        curl_easy_setopt(curl, CURLOPT_POSTFIELDS, payload);
        curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);

        res = curl_easy_perform(curl);

        if(res != CURLE_OK) {
            fprintf(stderr, "curl_easy_perform() failed: %s\n",
                    curl_easy_strerror(res));
        }

        curl_slist_free_all(headers);
        curl_easy_cleanup(curl);
    }

    curl_global_cleanup();
    return 0;
}
#import <Foundation/Foundation.h>

int main(int argc, const char * argv[]) {
    @autoreleasepool {
        NSURL *url = [NSURL URLWithString:@"https://26j.cn/v1/midjourney/generations"];

        NSDictionary *payload = @{
            @"prompt": @"a beautiful sunset over mountains",
            @"size": @"16:9",
            @"version": @"6.1",
            @"speed": @"fast",
        };

        NSError *error;
        NSData *jsonData = [NSJSONSerialization dataWithJSONObject:payload
                                                          options:0
                                                            error:&error];

        NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];
        [request setHTTPMethod:@"POST"];
        [request setValue:@"Bearer <token>" forHTTPHeaderField:@"Authorization"];
        [request setValue:@"application/json" forHTTPHeaderField:@"Content-Type"];
        [request setHTTPBody:jsonData];

        NSURLSessionDataTask *task = [[NSURLSession sharedSession] 
            dataTaskWithRequest:request
            completionHandler:^(NSData *data, NSURLResponse *response, NSError *error) {
                if (error) {
                    NSLog(@"Error: %@", error);
                    return;
                }
                NSString *result = [[NSString alloc] initWithData:data 
                                                        encoding:NSUTF8StringEncoding];
                NSLog(@"%@", result);
            }];

        [task resume];
        [[NSRunLoop mainRunLoop] run];
    }
    return 0;
}
(* Requires cohttp and yojson libraries *)
open Lwt
open Cohttp
open Cohttp_lwt_unix

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

let payload = {|{
  "prompt": "a beautiful sunset over mountains",
  "size": "16:9",
  "version": "6.1",
  "speed": "fast"
}|}

let () =
  let headers = Header.init ()
    |> fun h -> Header.add h "Authorization" "Bearer <token>"
    |> fun h -> Header.add h "Content-Type" "application/json"
  in
  let body = Cohttp_lwt.Body.of_string payload in

  let response = Client.post ~headers ~body (Uri.of_string url) >>= fun (resp, body) ->
    body |> Cohttp_lwt.Body.to_string >|= fun body_str ->
    print_endline body_str
  in
  Lwt_main.run response
import 'dart:convert';
import 'package:http/http.dart' as http;

void main() async {
  final url = Uri.parse('https://26j.cn/v1/midjourney/generations');

  final payload = {
    'prompt': 'a beautiful sunset over mountains',
    'size': '16:9',
    'version': '6.1',
    'speed': 'fast',
  };

  final response = await http.post(
    url,
    headers: {
      'Authorization': 'Bearer <token>',
      'Content-Type': 'application/json',
    },
    body: jsonEncode(payload),
  );

  print(response.body);
}
library(httr)
library(jsonlite)

url <- "https://26j.cn/v1/midjourney/generations"

payload <- list(
  prompt = "a beautiful sunset over mountains",
  size = "16:9",
  version = "6.1",
  speed = "fast"
)

response <- POST(
  url,
  add_headers(
    Authorization = "Bearer <token>",
    `Content-Type` = "application/json"
  ),
  body = toJSON(payload, auto_unbox = TRUE),
  encode = "raw"
)

cat(content(response, "text"))
响应示例
{
  "code": 200,
  "data": [
    {
      "status": "submitted",
      "task_id": "task_01KV52C0TEJSYZMCG0NCS4YWKK"
    }
  ]
}
{
  "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": 403,
    "message": "访问被禁止,您没有权限访问此资源",
    "type": "permission_error"
  }
}
{
  "error": {
    "code": 404,
    "message": "任务不存在",
    "type": "not_found_error"
  }
}
{
  "error": {
    "code": 422,
    "message": "图片或提示词未通过内容审核,已自动退款",
    "type": "invalid_request_error"
  }
}
{
  "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"
  }
}
{
  "error": {
    "code": 502,
    "message": "网关错误,服务器暂时不可用",
    "type": "bad_gateway"
  }
}

默认文生图 / 垫图接口,等同于 imagine。显式入口 /v1/midjourney/generations/imagine 行为一致。

项目 内容
action IMAGINE
计费 midjourney@imagine[-version][-speed]
必填 prompt
可选 image_urls、Prompt 参数、speed、metadata

请求参数

字段 类型 必填 说明
prompt string 是 提示词,支持原生 MJ 参数(如 --ar 16:9 --v 6.1)
nsfw_check boolean 否 默认值为 false。
提交 Midjourney 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:跳过审核,不增加审核成本与延迟
speed string 否 速度模式:relax(默认)/ fast / turbo
image_urls string[] 否 垫图 URL(图生图场景),支持 URL 或 base64
metadata object 否 自定义元数据,会随任务保存,便于业务侧追踪

结构化参数(可选)

以下参数可以写在 body 里,也可以直接写在 prompt 中(如 --ar 16:9)。body 优先级高于 prompt。

字段 类型 等价 MJ 参数 说明
size string --ar 宽高比,如 "16:9", "1:1", "9:16"
quality string --q 质量:"0.25", "0.5", "1", "2"
style string --style 风格:"raw" 等
version string --v 版本号。主版本会追加为 --v <version>;与 niji: true 搭配 "7" / "6" 时会归一化为 Niji 版本
seed int --seed 随机种子
negative_prompt string --no 负面提示词,如 "ugly, blurry"
stylize int --s 风格化强度 (0-1000)
chaos int --c 混乱度 (0-100)
weird int --w 怪异度 (0-3000)
tile bool --tile 平铺模式
niji bool --niji Niji 开关。推荐传 niji: true + version: "7" / "6"
iw float --iw 图片权重 (0-3),垫图时使用
cw int --cw 角色权重 (0-100)
sw int --sw 风格权重 (0-1000)
cref string --cref 角色参考图 URL
sref string --sref 风格参考图 URL
dref string --dref 深度参考图 URL
dw float --dw 深度权重 (0-100)
repeat int --repeat 重复生成次数 (2-40)
raw bool --raw 原始风格 (v5.1+ 支持)
draft bool --draft 草图模式 (v7+ 支持)
hd bool --hd HD 高清 (仅 v8.1 / v8.2,未传 version 时后端自动补 --v 8.1)
stop int --stop 提前停止 (10-100,仅 v5-6.1 / niji 5-6)
extra string 任意 --xxx 逃生口,原样追加到 prompt 末尾

示例

方式一:参数写在 prompt 里

{
  "prompt": "a beautiful sunset over mountains --ar 16:9 --v 6.1 --style raw --s 750"
}

方式二:参数写在 body 里(推荐)

{
  "prompt": "a beautiful sunset over mountains",
  "size": "16:9",
  "version": "6.1",
  "style": "raw",
  "stylize": 750
}

主版本与 Niji 版本

{
  "prompt": "anime girl in a moonlit garden",
  "niji": true,
  "version": "7",
  "size": "9:16"
}

线上已验证可用版本:8.2、8.1、7、6.1、5.2、5.1、niji 7、niji 6。主版本使用 body 字段 version;Niji 推荐传 niji: true + version: "7" / "6",计费版本会归一化为 niji7 / niji6。

方式三:混合使用(body 优先)

{
  "prompt": "a beautiful sunset --ar 1:1",
  "size": "16:9"
}

最终 prompt: a beautiful sunset --ar 16:9(body 中的 size 覆盖了 prompt 中的 --ar 1:1)

图生图(垫图)

{
  "prompt": "turn this product into a luxury studio photo",
  "image_urls": ["https://example.com/product.png"],
  "size": "1:1",
  "iw": 1.2
}

Fast 模式

{
  "prompt": "a cute cat",
  "speed": "fast"
}

speed=relax 或未传 speed 时不追加计费 speed 后缀;fast / turbo 会通过对应速度通道生效,并匹配对应计费 key。

响应

{
  "code": 200,
  "data": [{
    "status": "submitted",
    "task_id": "task_01JWXXXXXXXXXXXX"
  }]
}

成功后通过任务查询轮询结果。

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