curl --request POST \
  --url https://www.rainbrand.com/api/v1/generations \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "brandSessionId": "00000000-0000-4000-8000-000000000001",
  "model": "openai/gpt-image-2.5-flare",
  "input": {
    "prompt": "Create a launch image with the product centered and the exact headline \"Introducing Atlas\".",
    "quality": "high",
    "size": "1536x1024"
  },
  "briefId": "00000000-0000-4000-8000-000000000002"
}
'

import requests

url = "https://www.rainbrand.com/api/v1/generations"

payload = {
    "brandSessionId": "00000000-0000-4000-8000-000000000001",
    "model": "openai/gpt-image-2.5-flare",
    "input": {
        "prompt": "Create a launch image with the product centered and the exact headline \"Introducing Atlas\".",
        "quality": "high",
        "size": "1536x1024"
    },
    "briefId": "00000000-0000-4000-8000-000000000002"
}
headers = {
    "x-api-key": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'x-api-key': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    brandSessionId: '00000000-0000-4000-8000-000000000001',
    model: 'openai/gpt-image-2.5-flare',
    input: {
      prompt: 'Create a launch image with the product centered and the exact headline "Introducing Atlas".',
      quality: 'high',
      size: '1536x1024'
    },
    briefId: '00000000-0000-4000-8000-000000000002'
  })
};

fetch('https://www.rainbrand.com/api/v1/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://www.rainbrand.com/api/v1/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([
    'brandSessionId' => '00000000-0000-4000-8000-000000000001',
    'model' => 'openai/gpt-image-2.5-flare',
    'input' => [
        'prompt' => 'Create a launch image with the product centered and the exact headline "Introducing Atlas".',
        'quality' => 'high',
        'size' => '1536x1024'
    ],
    'briefId' => '00000000-0000-4000-8000-000000000002'
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "x-api-key: <api-key>"
  ],
]);

$response = curl_exec($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://www.rainbrand.com/api/v1/generations"

	payload := strings.NewReader("{\n  \"brandSessionId\": \"00000000-0000-4000-8000-000000000001\",\n  \"model\": \"openai/gpt-image-2.5-flare\",\n  \"input\": {\n    \"prompt\": \"Create a launch image with the product centered and the exact headline \\\"Introducing Atlas\\\".\",\n    \"quality\": \"high\",\n    \"size\": \"1536x1024\"\n  },\n  \"briefId\": \"00000000-0000-4000-8000-000000000002\"\n}")

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

	req.Header.Add("x-api-key", "<api-key>")
	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://www.rainbrand.com/api/v1/generations")
  .header("x-api-key", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"brandSessionId\": \"00000000-0000-4000-8000-000000000001\",\n  \"model\": \"openai/gpt-image-2.5-flare\",\n  \"input\": {\n    \"prompt\": \"Create a launch image with the product centered and the exact headline \\\"Introducing Atlas\\\".\",\n    \"quality\": \"high\",\n    \"size\": \"1536x1024\"\n  },\n  \"briefId\": \"00000000-0000-4000-8000-000000000002\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://www.rainbrand.com/api/v1/generations")

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

request = Net::HTTP::Post.new(url)
request["x-api-key"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"brandSessionId\": \"00000000-0000-4000-8000-000000000001\",\n  \"model\": \"openai/gpt-image-2.5-flare\",\n  \"input\": {\n    \"prompt\": \"Create a launch image with the product centered and the exact headline \\\"Introducing Atlas\\\".\",\n    \"quality\": \"high\",\n    \"size\": \"1536x1024\"\n  },\n  \"briefId\": \"00000000-0000-4000-8000-000000000002\"\n}"

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

{
  "data": {
    "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "status": "pending"
  }
}

{
  "error": {
    "code": "INVALID_INPUT",
    "status": 400,
    "message": "Invalid generation input",
    "data": "<unknown>"
  }
}

{
  "error": {
    "code": "UNAUTHORIZED",
    "status": 401,
    "message": "Invalid or missing API credentials",
    "data": "<unknown>"
  }
}

{
  "error": {
    "code": "INSUFFICIENT_CREDITS",
    "status": 402,
    "message": "Not enough credits to generate",
    "data": {
      "action_url": "<string>"
    }
  }
}

{
  "error": {
    "code": "ACCOUNT_BANNED",
    "status": 403,
    "message": "This account has been suspended.",
    "data": "<unknown>"
  }
}

{
  "error": {
    "code": "MODEL_NOT_FOUND",
    "status": 404,
    "message": "Generation model not found",
    "data": "<unknown>"
  }
}

{
  "error": {
    "code": "IDEMPOTENCY_CONFLICT",
    "status": 409,
    "message": "Idempotency-Key was already used with a different request",
    "data": "<unknown>"
  }
}

{
  "error": {
    "code": "TOO_MANY_REQUESTS",
    "status": 429,
    "message": "Rate limit exceeded",
    "data": "<unknown>"
  }
}

{
  "error": {
    "code": "BILLING_SETUP_ERROR",
    "status": 500,
    "message": "We couldn't determine the value of this account's credits, so this generation didn't run and nothing was charged. Retrying won't help; email support@rainbrand.com and we'll fix the account.",
    "data": "<unknown>"
  }
}

{
  "error": {
    "code": "CATALOG_UNAVAILABLE",
    "status": 503,
    "message": "Could not load generation models",
    "data": "<unknown>"
  }
}