Use RunComfy's API to run wan-ai/wan-3.0/image-to-video. For accepted inputs and outputs, see the model's schema.
curl --request POST \
--url https://model-api.runcomfy.net/v1/models/wan-ai/wan-3.0/image-to-video \
--header "Content-Type: application/json" \
--header "Authorization: Bearer <token>" \
--data '{
"prompt": "A vintage cream convertible parked on a windswept coastal cliff at golden hour; the camera slowly orbits to reveal the ocean below, tall grass sways in the sea breeze, warm sunlight glints across the chrome trim, gentle lens flare, cinematic anamorphic look, smooth continuous motion.",
"image_url": "https://playgrounds-storage-public.runcomfy.net/tools/7413/media-files/input-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/wan-ai/wan-3.0/image-to-video \
--header "Content-Type: application/json" \
--header "Authorization: Bearer <token>" \
--data '{
"prompt": "A vintage cream convertible parked on a windswept coastal cliff at golden hour; the camera slowly orbits to reveal the ocean below, tall grass sways in the sea breeze, warm sunlight glints across the chrome trim, gentle lens flare, cinematic anamorphic look, smooth continuous motion.",
"image_url": "https://playgrounds-storage-public.runcomfy.net/tools/7413/media-files/input-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_url"
],
"properties": {
"prompt": {
"title": "Prompt",
"description": "Describe the motion, action, camera movement, lighting, and style you want the first frame to animate into.",
"type": "string",
"default": "A vintage cream convertible parked on a windswept coastal cliff at golden hour; the camera slowly orbits to reveal the ocean below, tall grass sways in the sea breeze, warm sunlight glints across the chrome trim, gentle lens flare, cinematic anamorphic look, smooth continuous motion."
},
"image_url": {
"title": "First Frame Image",
"description": "First-frame image the model animates into video. Use a clear, high-quality image for better subject preservation.",
"type": "string",
"default": "https://playgrounds-storage-public.runcomfy.net/tools/7413/media-files/input-promo.webp"
},
"end_image_url": {
"title": "Last Frame Image (optional)",
"description": "Optional last-frame image used to guide the ending pose, composition, or scene of the video.",
"type": "string",
"default": ""
},
"resolution": {
"title": "Resolution",
"description": "Output resolution tier. Use 480p for quick drafts and 1080p for higher-quality output.",
"type": "string",
"enum": [
"480p",
"720p",
"1080p"
],
"default": "720p"
},
"aspect_ratio": {
"title": "Aspect Ratio",
"description": "Output aspect ratio. Use adaptive to match the input image proportions.",
"type": "string",
"enum": [
"adaptive",
"16:9",
"9:16",
"1:1",
"4:3",
"3:4"
],
"default": "adaptive"
},
"duration": {
"title": "Duration (seconds)",
"description": "Length of the generated video in seconds. Range is 2-30. Start short to iterate, then increase once the motion looks right.",
"type": "integer",
"minimum": 2,
"maximum": 30,
"default": 5
},
"prompt_extend": {
"title": "Prompt Expansion",
"description": "When on, the model may rewrite your prompt for richer scene detail before generation. Turn off for faster turnaround if your prompt is already precise.",
"type": "boolean",
"default": true
},
"enable_audio": {
"title": "Generate Audio",
"description": "When on, the output video includes a synchronized audio track. Turn off for a silent clip.",
"type": "boolean",
"default": true
},
"seed": {
"title": "Seed",
"description": "Random seed for reproducible results. Range is 0 to 2147483647.",
"type": "integer"
}
}
}{
"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.