Use RunComfy's API to run bytedance/seedream-4-5/edit. For accepted inputs and outputs, see the model's schema.
curl --request POST \
--url https://model-api.runcomfy.net/v1/models/bytedance/seedream-4-5/edit \
--header "Content-Type: application/json" \
--header "Authorization: Bearer <token>" \
--data '{
"prompt": "The man is riding a motor cycle on the road"
}'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-4-5/edit \
--header "Content-Type: application/json" \
--header "Authorization: Bearer <token>" \
--data '{
"prompt": "The man is riding a motor cycle on the road"
}'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_urls"
],
"properties": {
"prompt": {
"title": "Prompt",
"description": "Max 3000 characters. Recommended length is no more than 600 English words.",
"type": "string",
"maxLength": 3000,
"default": "The man is riding a motor cycle on the road"
},
"images": {
"title": "Images",
"description": "Upload 1~14 images. The format must be jpeg or png",
"type": "array",
"items": {
"type": "string",
"format": "image_uri"
},
"validations": [
{
"validation_rule": "file_size_mb<",
"validation_value": 10,
"validation_error": "File size must be less than 10 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": 14,
"minItems": 1,
"default": [
"https://playgrounds-storage-public.runcomfy.net/tools/7250/media-files/input-1-1.png",
"https://playgrounds-storage-public.runcomfy.net/tools/7250/media-files/input-1-2.png",
"https://playgrounds-storage-public.runcomfy.net/tools/7250/media-files/input-1-3.png"
]
},
"resolution": {
"title": "Resolution",
"description": "Output detail tier. Pick 2K for everyday use or 4K for print-ready detail.",
"type": "string",
"enum": [
"2K",
"4K"
],
"default": "2K"
},
"aspect_ratio": {
"title": "Aspect Ratio (W:H)",
"description": "Frame shape of the output. auto follows your input image and any framing described in the prompt. A fixed ratio combines with Resolution to set the final pixel size, so 2K with 16:9 gives 2848x1600 and 4K with 16:9 gives 5504x3040.",
"type": "string",
"enum": [
"auto",
"1:1",
"4:3",
"3:4",
"16:9",
"9:16",
"3:2",
"2:3",
"21:9"
],
"default": "1:1"
}
}
}{
"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.