tencent/hunyuan-video-v1.5/text-to-video

Generate cinematic 5–8 second videos from text or images with smooth motion, 1080p upscaling, and efficient diffusion transformer design for creative, bilingual storytelling on consumer GPUs.

1. Get started

Use RunComfy's API to run tencent/hunyuan-video-v1.5/text-to-video. For accepted inputs and outputs, see the model's schema.

curl --request POST \
  --url https://model-api.runcomfy.net/v1/models/tencent/hunyuan-video-v1.5/text-to-video \
  --header "Content-Type: application/json" \
  --header "Authorization: Bearer <token>" \
  --data '{
    "prompt": "Slowly pan across the bustling red carpet scene, focusing on the elegantly dressed couple under the dazzling flashes of cameras. The ambient noise of a lively crowd and camera shutters fills the air. Soft spotlights enhance the shimmer of their outfits, casting subtle glimmers around them. The couple shares a brief, joyful glance and a laugh, encapsulating the vibrant energy of the night. In the background, blurred figures and bright lights create a sense of dynamic motion, while the soft evening breeze gently ruffles the hems of their garments."
  }'

2. Authentication

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.

3. API reference

Submit a request

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/tencent/hunyuan-video-v1.5/text-to-video \
  --header "Content-Type: application/json" \
  --header "Authorization: Bearer <token>" \
  --data '{
    "prompt": "Slowly pan across the bustling red carpet scene, focusing on the elegantly dressed couple under the dazzling flashes of cameras. The ambient noise of a lively crowd and camera shutters fills the air. Soft spotlights enhance the shimmer of their outfits, casting subtle glimmers around them. The couple shares a brief, joyful glance and a laugh, encapsulating the vibrant energy of the night. In the background, blurred figures and bright lights create a sense of dynamic motion, while the soft evening breeze gently ruffles the hems of their garments."
  }'

Monitor request status

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 request results

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 request

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>"

4. File inputs

Hosted file (URL)

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.

5. Schema

Input schema

{
  "type": "object",
  "title": "Input",
  "required": [
    "prompt"
  ],
  "properties": {
    "prompt": {
      "title": "Prompt",
      "description": "",
      "type": "string",
      "default": "Slowly pan across the bustling red carpet scene, focusing on the elegantly dressed couple under the dazzling flashes of cameras. The ambient noise of a lively crowd and camera shutters fills the air. Soft spotlights enhance the shimmer of their outfits, casting subtle glimmers around them. The couple shares a brief, joyful glance and a laugh, encapsulating the vibrant energy of the night. In the background, blurred figures and bright lights create a sense of dynamic motion, while the soft evening breeze gently ruffles the hems of their garments."
    },
    "negative_prompt": {
      "title": "Negative Prompt",
      "description": "",
      "type": "string",
      "default": ""
    },
    "size": {
      "title": "Size",
      "description": "The size of the video.",
      "type": "string",
      "enum": [
        "832*480",
        "480*832",
        "1280*720",
        "720*1280"
      ],
      "default": "832*480"
    },
    "duration": {
      "title": "Duration",
      "description": "The duration of the video.",
      "type": "integer",
      "enum": [
        5,
        8
      ],
      "default": 5
    },
    "seed": {
      "title": "Seed",
      "description": "",
      "type": "integer",
      "default": 0
    }
  }
}

Output schema

{
  "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" }
      }
    }
  }
}