gemini-3.1-flash-image-preview

curl --request POST \
  --url https://api.linkmodel.ai/api/v1/image-generation \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "prompt": "<string>",
  "model": "gemini-3.1-flash-image-preview",
  "images": [
    "<string>"
  ],
  "quality": "1K"
}
'

import requests

url = "https://api.linkmodel.ai/api/v1/image-generation"

payload = {
    "prompt": "<string>",
    "model": "gemini-3.1-flash-image-preview",
    "images": ["<string>"],
    "quality": "1K"
}
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({
    prompt: '<string>',
    model: 'gemini-3.1-flash-image-preview',
    images: ['<string>'],
    quality: '1K'
  })
};

fetch('https://api.linkmodel.ai/api/v1/image-generation', 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.linkmodel.ai/api/v1/image-generation",
  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([
    'prompt' => '<string>',
    'model' => 'gemini-3.1-flash-image-preview',
    'images' => [
        '<string>'
    ],
    'quality' => '1K'
  ]),
  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.linkmodel.ai/api/v1/image-generation"

	payload := strings.NewReader("{\n  \"prompt\": \"<string>\",\n  \"model\": \"gemini-3.1-flash-image-preview\",\n  \"images\": [\n    \"<string>\"\n  ],\n  \"quality\": \"1K\"\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.linkmodel.ai/api/v1/image-generation")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"prompt\": \"<string>\",\n  \"model\": \"gemini-3.1-flash-image-preview\",\n  \"images\": [\n    \"<string>\"\n  ],\n  \"quality\": \"1K\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.linkmodel.ai/api/v1/image-generation")

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  \"prompt\": \"<string>\",\n  \"model\": \"gemini-3.1-flash-image-preview\",\n  \"images\": [\n    \"<string>\"\n  ],\n  \"quality\": \"1K\"\n}"

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

{
  "code": 0,
  "data": {
    "task_id": "cb6111cf-e89f-4978-b8e3-aa59c21cceff",
    "order_id": "019da9cf-d1db-78e1-ac23-526774d01193",
    "status": "processing",
    "price": 0.074
  },
  "msg": "success",
  "request_id": "250b66dd-e1fb-4bb6-b5f6-c668efadc35d"
}

{
  "code": 400,
  "msg": "task_id is required",
  "request_id": "96be7a7d-3e81-4916-a6b8-19b32773a693"
}

{
  "code": 401,
  "data": {},
  "msg": "invalid api key",
  "request_id": "bff4c295-c7da-4507-9708-4627cb6373ba"
}

{
  "code": 500,
  "msg": "create task failed: billing: code=100601: insufficient balance",
  "request_id": "3409f6fb-fa9a-4534-b530-195b5f6f4e32"
}