doubao-seedream-4-0-250828-text-to-image

POST

https://api.key4u.shop/v1/images/generations

Given a prompt and/or input image, the model will generate a new image.

Related guide: Image Generation

Create an image based on the prompt.

Request

Header Params

Body Params application/json

Example

{
    "model": "doubao-seedream-4-0-250828",
    "prompt": "Interstellar travel, black hole, a nearly disintegrating vintage train bursting out of a black hole, strong visual impact, blockbuster cinematic feel, apocalyptic atmosphere, dynamic motion, contrasting colors, OC render, ray tracing, motion blur, depth of field, surrealism, deep blue, the composition uses rich and delicate color gradations to shape the subject and scene, realistic texture, the light and shadow effects against a dark background create a moody atmosphere, the overall piece combines an artistic and fantastical quality, exaggerated wide-angle perspective, lens flare, reflections, extreme light and shadow, intense gravitational pull, engulfing and devouring",
    "size": "1728x2304",
    "sequential_image_generation": "disabled",
    "stream": false,
    "response_format": "url",
    "watermark": true
}

Request Code Samples

Shell

JavaScript

Java

Swift

PHP

Python

HTTP

Objective-C

Ruby

OCaml

Dart

curl --location --request POST 'https://api.key4u.shop/v1/images/generations' \
--header 'Authorization: Bearer {{YOUR_API_KEY}}' \
--header 'Content-Type: application/json' \
--data-raw '{
    "model": "doubao-seedream-4-0-250828",
    "prompt": "Interstellar travel, black hole, a nearly disintegrating vintage train bursting out of a black hole, strong visual impact, blockbuster cinematic feel, apocalyptic atmosphere, dynamic motion, contrasting colors, OC render, ray tracing, motion blur, depth of field, surrealism, deep blue, the composition uses rich and delicate color gradations to shape the subject and scene, realistic texture, the light and shadow effects against a dark background create a moody atmosphere, the overall piece combines an artistic and fantastical quality, exaggerated wide-angle perspective, lens flare, reflections, extreme light and shadow, intense gravitational pull, engulfing and devouring",
    "size": "1728x2304",
    "sequential_image_generation": "disabled",
    "stream": false,
    "response_format": "url",
    "watermark": true
}'

Responses

🟢200Success

application/json

Body

Example

{
    "data": [
        {
            "url": "https://ark-content-generation-v2-cn-beijing.tos-cn-beijing.volces.com/doubao-seedream-4-0/0217574690542070fa6ef8c2347680bd87fd8d357bb16f1e5ca0f_0.jpeg?X-Tos-Algorithm=TOS4-HMAC-SHA256&X-Tos-Credential=AKLTYWJkZTExNjA1ZDUyNDc3YzhjNTM5OGIyNjBhNDcyOTQ%2F20250910%2Fcn-beijing%2Ftos%2Frequest&X-Tos-Date=20250910T015107Z&X-Tos-Expires=86400&X-Tos-Signature=fbc5369be594d6e21be983ed1ec32463b5f82cf0c18c4349e477c11e51e55fa0&X-Tos-SignedHeaders=host"
        }
    ],
    "created": 1757469067,
    "usage": {
        "prompt_tokens": 0,
        "completion_tokens": 0,
        "total_tokens": 15908,
        "prompt_tokens_details": {
            "cached_tokens_details": {}
        },
        "completion_tokens_details": {},
        "output_tokens": 15908
    }
}

Modified at 2026-03-08 05:42:12

doubao-seededit-3-0-i2i-250628

doubao-seedream-4-0-250828-image-to-image