Use RunComfy's API to run alibaba/happyhorse-1.1/reference-to-video. For accepted inputs and outputs, see the model's schema.
curl --request POST \
--url https://model-api.runcomfy.net/v1/models/alibaba/happyhorse-1.1/reference-to-video \
--header "Content-Type: application/json" \
--header "Authorization: Bearer <token>" \
--data '{
"image_url_1": "https://playgrounds-storage-public.runcomfy.net/tools/7373/media-files/ref-promo.webp",
"prompt": "The referenced woman walks slowly through a sunlit modern art gallery, tall windows casting soft golden light across white walls, her trench coat moving gently with each step, calm confident expression, faint ambient murmur and distant footsteps. Cinematic slow dolly-in, shallow depth of field, premium photoreal look, identity-stable face and outfit."
}'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/alibaba/happyhorse-1.1/reference-to-video \
--header "Content-Type: application/json" \
--header "Authorization: Bearer <token>" \
--data '{
"image_url_1": "https://playgrounds-storage-public.runcomfy.net/tools/7373/media-files/ref-promo.webp",
"prompt": "The referenced woman walks slowly through a sunlit modern art gallery, tall windows casting soft golden light across white walls, her trench coat moving gently with each step, calm confident expression, faint ambient murmur and distant footsteps. Cinematic slow dolly-in, shallow depth of field, premium photoreal look, identity-stable face and outfit."
}'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_url_1",
"prompt"
],
"properties": {
"prompt": {
"title": "Prompt",
"description": "Describe the scene, action, camera movement, and atmosphere you want built around the reference images. Up to 5000 non-Chinese characters or 2500 Chinese characters (longer input is truncated).",
"type": "string",
"default": "The referenced woman walks slowly through a sunlit modern art gallery, tall windows casting soft golden light across white walls, her trench coat moving gently with each step, calm confident expression, faint ambient murmur and distant footsteps. Cinematic slow dolly-in, shallow depth of field, premium photoreal look, identity-stable face and outfit.",
"maxLength": 5000
},
"ratio": {
"title": "Ratio",
"description": "Aspect ratio of the generated video.",
"type": "string",
"enum": [
"16:9",
"9:16",
"1:1"
],
"default": "16:9"
},
"duration": {
"title": "Duration",
"description": "Output video duration in seconds. Allowed values: 3-15.",
"type": "integer",
"enum": [
3,
4,
5,
6,
7,
8,
9,
10,
11,
12,
13,
14,
15
],
"default": 5
},
"image_url_1": {
"title": "Reference Image 1",
"description": "Primary reference image whose subject, style, or composition guides the video. Formats: JPEG, JPG, PNG, or WEBP.",
"type": "string",
"default": "https://playgrounds-storage-public.runcomfy.net/tools/7373/media-files/ref-promo.webp"
},
"image_url_2": {
"title": "Reference Image 2",
"description": "Optional additional reference image. Formats: JPEG, JPG, PNG, or WEBP.",
"type": "string",
"default": ""
},
"image_url_3": {
"title": "Reference Image 3",
"description": "Optional additional reference image. Formats: JPEG, JPG, PNG, or WEBP.",
"type": "string",
"default": ""
},
"image_url_4": {
"title": "Reference Image 4",
"description": "Optional additional reference image. Formats: JPEG, JPG, PNG, or WEBP.",
"type": "string",
"default": ""
},
"image_url_5": {
"title": "Reference Image 5",
"description": "Optional additional reference image. Formats: JPEG, JPG, PNG, or WEBP.",
"type": "string",
"default": ""
},
"image_url_6": {
"title": "Reference Image 6",
"description": "Optional additional reference image. Formats: JPEG, JPG, PNG, or WEBP.",
"type": "string",
"default": ""
},
"image_url_7": {
"title": "Reference Image 7",
"description": "Optional additional reference image. Formats: JPEG, JPG, PNG, or WEBP.",
"type": "string",
"default": ""
},
"image_url_8": {
"title": "Reference Image 8",
"description": "Optional additional reference image. Formats: JPEG, JPG, PNG, or WEBP.",
"type": "string",
"default": ""
},
"image_url_9": {
"title": "Reference Image 9",
"description": "Optional additional reference image. Up to 9 reference images can be combined. Formats: JPEG, JPG, PNG, or WEBP.",
"type": "string",
"default": ""
},
"resolution": {
"title": "Resolution",
"description": "Output video resolution. Happy Horse 1.1 reference to video supports 720P or 1080P.",
"type": "string",
"enum": [
"720P",
"1080P"
],
"default": "1080P"
},
"seed": {
"title": "Seed",
"description": "Optional seed for reproducible generations. Use 0 to let the provider randomize.",
"type": "integer",
"minimum": 0,
"maximum": 2147483647,
"default": 0
},
"watermark": {
"title": "Watermark",
"description": "Whether to keep the provider watermark on the generated video.",
"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.