GPT-Image-2
curl --request POST \
--url https://api.gravitex.ai/v1/images/generations \
--header 'Authorization: <authorization>'import requests
url = "https://api.gravitex.ai/v1/images/generations"
headers = {"Authorization": "<authorization>"}
response = requests.post(url, headers=headers)
print(response.text)const options = {method: 'POST', headers: {Authorization: '<authorization>'}};
fetch('https://api.gravitex.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.gravitex.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_HTTPHEADER => [
"Authorization: <authorization>"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}package main
import (
"fmt"
"net/http"
"io"
)
func main() {
url := "https://api.gravitex.ai/v1/images/generations"
req, _ := http.NewRequest("POST", url, nil)
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.gravitex.ai/v1/images/generations")
.header("Authorization", "<authorization>")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.gravitex.ai/v1/images/generations")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["Authorization"] = '<authorization>'
response = http.request(request)
puts response.read_body图像系列
GPT-Image-2
OpenAI GPT-Image-2 文生图与图生图
POST
/
v1
/
images
/
generations
GPT-Image-2
curl --request POST \
--url https://api.gravitex.ai/v1/images/generations \
--header 'Authorization: <authorization>'import requests
url = "https://api.gravitex.ai/v1/images/generations"
headers = {"Authorization": "<authorization>"}
response = requests.post(url, headers=headers)
print(response.text)const options = {method: 'POST', headers: {Authorization: '<authorization>'}};
fetch('https://api.gravitex.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.gravitex.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_HTTPHEADER => [
"Authorization: <authorization>"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}package main
import (
"fmt"
"net/http"
"io"
)
func main() {
url := "https://api.gravitex.ai/v1/images/generations"
req, _ := http.NewRequest("POST", url, nil)
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.gravitex.ai/v1/images/generations")
.header("Authorization", "<authorization>")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.gravitex.ai/v1/images/generations")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["Authorization"] = '<authorization>'
response = http.request(request)
puts response.read_body简介
GPT-Image-2 支持文生图与图生图,统一使用POST /v1/images/generations:不传 image 时为文生图;传入 image(URL 或 Base64)时自动进入图生图。响应固定为 Base64(b64_json),并返回 usage token 统计。
完整参数与多模型说明请参见 图片生成。
认证
string
必填
Bearer Token,如
Bearer sk-xxxxxxxxxx支持的模型
| 模型 ID | 说明 |
|---|---|
gpt-image-2 | OpenAI GPT-Image-2,支持 4K 与多尺寸 |
请求示例
- 文生图
- 图生图(generations)
- 图生图(edits)
curl -X POST "https://api.gravitex.ai/v1/images/generations" \
-H "Authorization: Bearer sk-xxxxxxxxxx" \
-H "Content-Type: application/json" \
-d '{
"model": "gpt-image-2",
"prompt": "一只在星空下奔跑的白色猫咪,赛博朋克风格",
"size": "1024x1536",
"quality": "high",
"n": 1
}'
curl -X POST "https://api.gravitex.ai/v1/images/generations" \
-H "Authorization: Bearer sk-xxxxxxxxxx" \
-H "Content-Type: application/json" \
-d '{
"model": "gpt-image-2",
"prompt": "将画面改为夜晚赛博朋克风格",
"image": "https://example.com/input.png",
"size": "1024x1024",
"quality": "high",
"n": 1
}'
curl -X POST "https://api.gravitex.ai/v1/images/edits" \
-H "Authorization: Bearer sk-xxxxxxxxxx" \
-H "Content-Type: application/json" \
-d '{
"model": "gpt-image-2",
"prompt": "将背景改为海滩日落",
"image": "https://example.com/input.png",
"size": "1024x1024",
"quality": "high"
}'
常用参数
- model:固定为
gpt-image-2 - prompt:图像描述或编辑指令
- image:图生图参考图(URL 或 Base64,可字符串或数组)
- size:如
1024x1024、1024x1536、1536x1024,或 4K2880x2880等(边长须为 16 的倍数) - quality:
low、medium、high(默认high) - n:生成张数,1–10
data[].b64_json 为 PNG Base64。multipart 上传与更多 edits 示例见 图像编辑;总览见 图片生成。⌘I
