Use RunComfy's API to run bytedance/seedance-2.0-mini/image-to-video. For accepted inputs and outputs, see the model's schema.
curl --request POST \
--url https://model-api.runcomfy.net/v1/models/bytedance/seedance-2.0-mini/image-to-video \
--header "Content-Type: application/json" \
--header "Authorization: Bearer <token>" \
--data '{
"image": "https://playgrounds-storage-public.runcomfy.net/tools/7375/media-files/ref-promo-cat.webp",
"prompt": "The orange tabby cat slowly blinks and turns its head toward the camera, ears twitching and its tail giving a lazy flick, while steam curls upward from the coffee mug and raindrops slide down the window as blurred headlights drift past outside. Slow cinematic push-in, warm interior glow against the cool rainy night, soft patter of rain and low cafe ambience, cozy and tender mood."
}'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-2.0-mini/image-to-video \
--header "Content-Type: application/json" \
--header "Authorization: Bearer <token>" \
--data '{
"image": "https://playgrounds-storage-public.runcomfy.net/tools/7375/media-files/ref-promo-cat.webp",
"prompt": "The orange tabby cat slowly blinks and turns its head toward the camera, ears twitching and its tail giving a lazy flick, while steam curls upward from the coffee mug and raindrops slide down the window as blurred headlights drift past outside. Slow cinematic push-in, warm interior glow against the cool rainy night, soft patter of rain and low cafe ambience, cozy and tender mood."
}'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": [
"image",
"prompt"
],
"properties": {
"image": {
"title": "Start Image",
"description": "Starting frame that guides the first frame and overall look of the clip.",
"type": "string",
"default": "https://playgrounds-storage-public.runcomfy.net/tools/7375/media-files/ref-promo-cat.webp"
},
"prompt": {
"title": "Prompt",
"description": "Describe the motion, action, camera movement, and mood you want added to the start image.",
"type": "string",
"default": "The orange tabby cat slowly blinks and turns its head toward the camera, ears twitching and its tail giving a lazy flick, while steam curls upward from the coffee mug and raindrops slide down the window as blurred headlights drift past outside. Slow cinematic push-in, warm interior glow against the cool rainy night, soft patter of rain and low cafe ambience, cozy and tender mood."
},
"last_image": {
"title": "Last Image",
"description": "Optional end frame to steer how the clip finishes or continues.",
"type": "string",
"default": ""
},
"resolution": {
"title": "Resolution",
"description": "Output video resolution tier.",
"type": "string",
"enum": [
"480p",
"720p"
],
"default": "720p"
},
"aspect_ratio": {
"title": "Aspect Ratio",
"description": "Output aspect ratio. Leave on the default or match the framing your start image needs.",
"type": "string",
"enum": [
"16:9",
"9:16",
"4:3",
"3:4",
"1:1",
"21:9"
],
"default": "16:9"
},
"duration": {
"title": "Duration",
"description": "Length of the generated video in seconds.",
"type": "integer",
"minimum": 4,
"maximum": 15,
"default": 5
},
"generate_audio": {
"title": "Generate Audio",
"description": "Generate native audio synchronized with the output video.",
"type": "boolean",
"default": true
},
"enable_web_search": {
"title": "Enable Web Search",
"description": "Allow the model to pull in real-time information when the prompt needs it.",
"type": "boolean",
"default": false
}
}
}{
"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.