Use RunComfy's API to run bytedance/seedream-5.0-pro/image-to-image. For accepted inputs and outputs, see the model's schema.
curl --request POST \
--url https://model-api.runcomfy.net/v1/models/bytedance/seedream-5.0-pro/image-to-image \
--header "Content-Type: application/json" \
--header "Authorization: Bearer <token>" \
--data '{
"prompt": "Keep the exact same cabin, lake, pine forest and mountain composition and framing. Transform the scene into a breathtaking cinematic night: a vivid green and violet aurora borealis swirling across a star-filled sky, the aurora and stars mirrored in the still lake, warm glowing light spilling from the cabin windows, dramatic moody cinematic color grade, atmospheric, film-still quality, ultra high detail",
"image": [
"https://playgrounds-storage-public.runcomfy.net/tools/7381/media-files/ref-promo.webp"
]
}'Set the YOUR_API_TOKEN environment variable with your API key (manage keys in your Profile) and include it on every request as a Bearer token via the Authorization header: Authorization: Bearer $YOUR_API_TOKEN.
Submit an asynchronous generation job and immediately receive a request_id plus URLs to check status, fetch results, and cancel.
curl --request POST \
--url https://model-api.runcomfy.net/v1/models/bytedance/seedream-5.0-pro/image-to-image \
--header "Content-Type: application/json" \
--header "Authorization: Bearer <token>" \
--data '{
"prompt": "Keep the exact same cabin, lake, pine forest and mountain composition and framing. Transform the scene into a breathtaking cinematic night: a vivid green and violet aurora borealis swirling across a star-filled sky, the aurora and stars mirrored in the still lake, warm glowing light spilling from the cabin windows, dramatic moody cinematic color grade, atmospheric, film-still quality, ultra high detail",
"image": [
"https://playgrounds-storage-public.runcomfy.net/tools/7381/media-files/ref-promo.webp"
]
}'Fetch the current state for a request_id ("in_queue", "in_progress", "completed", or "cancelled").
curl --request GET \
--url https://model-api.runcomfy.net/v1/requests/{request_id}/status \
--header "Authorization: Bearer <token>"Retrieve the final outputs and metadata for the given request_id; if the job is not complete, the response returns the current state so you can continue polling.
curl --request GET \
--url https://model-api.runcomfy.net/v1/requests/{request_id}/result \
--header "Authorization: Bearer <token>"Cancel a queued job by request_id; in-progress jobs cannot be cancelled.
curl --request POST \
--url https://model-api.runcomfy.net/v1/requests/{request_id}/cancel \
--header "Authorization: Bearer <token>"Provide a publicly reachable HTTPS URL. Ensure the host allows server-side fetches (no login/cookies required) and isn't rate-limited or blocking bots. Recommended limits: images ≤ 50 MB (~4K), videos ≤ 100 MB (~2–5 min @ 720p). Prefer stable or pre-signed URLs for private assets.
{
"type": "object",
"title": "Input schema",
"required": [
"prompt",
"image"
],
"properties": {
"prompt": {
"title": "Prompt",
"description": "The recommended length is no more than 600 English words. If the prompt is too long, the information may become scattered. The model might ignore details and only concentrate on the main points, resulting in a image with missing elements.",
"type": "string",
"default": "Keep the exact same cabin, lake, pine forest and mountain composition and framing. Transform the scene into a breathtaking cinematic night: a vivid green and violet aurora borealis swirling across a star-filled sky, the aurora and stars mirrored in the still lake, warm glowing light spilling from the cabin windows, dramatic moody cinematic color grade, atmospheric, film-still quality, ultra high detail"
},
"image": {
"title": "Images",
"description": "Upload 1~10 reference images. Supported formats: JPEG, PNG, WEBP, BMP, TIFF, GIF, HEIC or HEIF.",
"type": "array",
"items": {
"type": "string",
"format": "image_uri"
},
"validations": [
{
"validation_rule": "file_size_mb<",
"validation_value": 30,
"validation_error": "File size must be less than 30 MB."
},
{
"validation_rule": "width/height>",
"validation_value": 0.0625,
"validation_error": "The aspect ratio range should be 1:16 to 16:1."
},
{
"validation_rule": "width/height<",
"validation_value": 16,
"validation_error": "The aspect ratio range should be 1:16 to 16:1."
},
{
"validation_rule": "width_pixels>",
"validation_value": 14,
"validation_error": "The uploaded image width and height must exceed 14 pixels."
},
{
"validation_rule": "height_pixels>",
"validation_value": 14,
"validation_error": "The uploaded image width and height must exceed 14 pixels."
}
],
"maxItems": 10,
"minItems": 1,
"default": [
"https://playgrounds-storage-public.runcomfy.net/tools/7381/media-files/ref-promo.webp"
]
},
"resolution": {
"title": "Resolution",
"description": "Choose the output resolution. Describe the aspect ratio or shape in your prompt and the model sets the final width and height. 1K is billed at $0.05 per image, 2K at $0.10.",
"type": "string",
"enum": [
"1K",
"2K"
],
"default": "2K"
},
"output_format": {
"title": "Output Format",
"description": "The format of the output images. This will determine the format of the output images.",
"type": "string",
"enum": [
"png",
"jpeg"
],
"default": "png"
}
}
}{
"output": {
"type": "object",
"properties": {
"image": {
"type": "string",
"format": "uri",
"description": "single image URL"
},
"video": {
"type": "string",
"format": "uri",
"description": "single video URL"
},
"images": {
"type": "array",
"description": "multiple image URLs",
"items": {
"type": "string",
"format": "uri"
}
},
"videos": {
"type": "array",
"description": "multiple video URLs",
"items": {
"type": "string",
"format": "uri"
}
}
}
}
}RunComfy is the premier ComfyUI platform, offering ComfyUI online environment and services, along with ComfyUI workflows featuring stunning visuals. RunComfy also provides AI Models, enabling artists to harness the latest AI tools to create incredible art.