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GPT Image 2.5 Sunburst

POSThttps://api.newportai.com/api/async/gpt_image_2.5/sunburst/text_to_image

The GPT Image 2.5 Sunburst Text To Image API generates images from a text prompt using OpenAI's gpt-image-2.5-sunburst model. Sunburst is the precision-focused GPT Image 2.5 variant, trading longer generation time for extra fidelity on intricate detail.

  • Submit a POST request to the GPT Image 2.5 Sunburst Text To Image API to obtain a taskId.
  • Submit a POST request to the Polling API to retrieve the generated images.
  • Configure a Callback URL to receive results automatically on completion.

Request Headers

Content-Type string Required

Enum: application/json

Authorization string Required

Bearer authentication token. Example: Bearer {{APIKey}}.

Request Body

prompt string Required

The text description of the image to generate or edit. Maximum length is 4000 characters.

width integer Optional

The width of the generated image in pixels. Must be a multiple of 16 and no greater than 3840. The aspect ratio of the longer edge to the shorter edge must not exceed 3:1. Total pixels must be between 655,360 and 8,294,400. Outputs above 3,686,400 pixels (2560×1440) are experimental. Default value: 1024.

height integer Optional

The height of the generated image in pixels. Must be a multiple of 16 and no greater than 3840. The aspect ratio of the longer edge to the shorter edge must not exceed 3:1. Total pixels must be between 655,360 and 8,294,400. Default value: 1024.

quality string Optional

The quality level of the generated image. Enum: low, medium, high, xhigh, max. auto is not supported. Lower quality generates faster results with fewer credits. Default value: low.

n integer Optional

The number of images to generate in a single request. Must be between 1 and 10. Default value: 1.

Response

code integer

Returns 0 for success, or a specific error code.

message string

Returns "success" or a descriptive error message.

data object
taskId string

The unique identifier for the task. Use this ID with the Polling API to retrieve the generated images.

Errors

10192Illegal param

Polling

Use the Polling API to retrieve the processing results.

Callback

Alternatively, you can enable Callback to receive task results automatically upon completion.

0Task Completed
{
    "code": 0,
    "message": "success",
    "data": {
        "images": [
            {
                "imageUrl": "https://dreamapi-rs-aigc.newportai.com/dreamapi/o/2026-09-17/6aab929bc3b94145884a2479730ee30e.jpg",
                "imageType": "png"
            }
        ],
        "task": {
            "taskId": "API-381c1f58e5a14b94905174980df04074",
            "status": 3,
            "errorCode": 0,
            "reason": "ok",
            "taskType": "gpt_image_2.5/sunburst/text_to_image",
            "executionTime": 108186,
            "creditsConsumed": 2,
            "expire": 1789618658695
        }
    }
}
Request
cURL
curl -X POST 'https://api.newportai.com/api/async/gpt_image_2.5/sunburst/text_to_image' \
  -H 'Content-Type: application/json' \
  -H 'Authorization: Bearer {{key}}' \
  -d '{
  "prompt": "A sea otter sitting on a rock in sunlight, photorealistic",
  "width": 1024,
  "height": 1024,
  "quality": "low"
}'
0Successful
{
    "code": 0,
    "message": "success",
    "data": {
        "taskId": "API-381c1f58e5a14b94905174980df04074"
    }
}