Use RunComfy's API to run bytedance/seedance-2.5/reference-to-video/1080p. For accepted inputs and outputs, see the model's schema.
curl --request POST \
--url https://model-api.runcomfy.net/v1/models/bytedance/seedance-2.5/reference-to-video/1080p \
--header "Content-Type: application/json" \
--header "Authorization: Bearer <token>" \
--data '{
"prompt": "Using the greenhouse reference for environment and style, animate a calm cinematic walk: slow push-in down the central aisle as leaves tremble softly, dust motes drift through warm side light, glass panels softly fogging, shallow depth of field, continuous smooth motion, no text, no watermark.",
"videos": [
"https://playgrounds-storage-public.runcomfy.net/tools/7383/media-files/output-example1-1.mp4"
]
}'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/seedance-2.5/reference-to-video/1080p \
--header "Content-Type: application/json" \
--header "Authorization: Bearer <token>" \
--data '{
"prompt": "Using the greenhouse reference for environment and style, animate a calm cinematic walk: slow push-in down the central aisle as leaves tremble softly, dust motes drift through warm side light, glass panels softly fogging, shallow depth of field, continuous smooth motion, no text, no watermark.",
"videos": [
"https://playgrounds-storage-public.runcomfy.net/tools/7383/media-files/output-example1-1.mp4"
]
}'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",
"videos"
],
"properties": {
"prompt": {
"title": "Prompt",
"description": "Text prompt describing the desired video, referencing the provided images, video clips, and audio as environment, motion, and mood cues.",
"type": "string",
"default": "Using the greenhouse reference for environment and style, animate a calm cinematic walk: slow push-in down the central aisle as leaves tremble softly, dust motes drift through warm side light, glass panels softly fogging, shallow depth of field, continuous smooth motion, no text, no watermark."
},
"images": {
"title": "Reference Images",
"description": "Reference images to steer environment and style. Up to 9 images.",
"type": "array",
"default": [
"https://playgrounds-storage-public.runcomfy.net/tools/7424/media-files/input-1-1.png"
],
"maxItems": 9
},
"videos": {
"title": "Reference Videos",
"description": "Reference video clips for camera motion and rhythm. Up to 3 clips.",
"type": "array",
"maxItems": 3,
"minItems": 1,
"default": [
"https://playgrounds-storage-public.runcomfy.net/tools/7383/media-files/output-example1-1.mp4"
]
},
"audios": {
"title": "Reference Audio",
"description": "Reference audio for mood and pacing. Up to 3 files.",
"type": "array",
"maxItems": 3
},
"aspect_ratio": {
"title": "Aspect Ratio (W:H)",
"description": "Aspect ratio of the generated video.",
"type": "string",
"enum": [
"16:9",
"9:16",
"1:1",
"4:3",
"3:4",
"21:9",
"adaptive"
],
"default": "16:9"
},
"duration": {
"title": "Duration (seconds)",
"description": "The duration of the generated video in seconds. Between 4 and 30.",
"type": "integer",
"minimum": 4,
"maximum": 30,
"default": 5
},
"generate_audio": {
"title": "Generate Audio",
"description": "When true, the model outputs video with synchronized audio (speech, SFX, music).",
"type": "boolean",
"default": true
}
}
}{
"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.