1. video-extend
RunningHub-API
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  • Integration Example
    • Complete integration example
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    • Task Progress Display Example
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  • Task Query & webhook
    • Check Task Status
      POST
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      POST
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      POST
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      POST
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      POST
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    • Start ComfyUI Task 1 - Basic
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    • Get Workflow JSON
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  • AI App
    • Start AI App Task
    • Get API call examples for AI application
  • Resource Upload
    • 文件上传(新)
    • Upload Resource(image\video\audio\Compressed Files)
    • Upload Lora
  • Standard Model API
    • Video Generation & Processing
      • image-to-video
        • Vidu
          • Vidu-start-end-to-video-q2-turbo
          • Vidu-start-end-to-video-q2-pro
          • Vidu-image-to-video-q2-pro
          • Vidu-image-to-video-q2-turbo
          • Vidu-image-to-video-q3-pro
          • Vidu-image-to-video-q2-pro-fast
          • Vidu-start-end-to-video-q2-pro-fast
          • Vidu-image-to-video-q3-turbo
          • Vidu-start-end-to-video-q3-turbo
          • Vidu-start-end-to-video-q3-pro
        • kling
          • kling-v3.0-std-image-to-video
          • kling-video-o3-4k-image-to-video
          • kling-video-o1/image-to-video
          • kling-v3.0-4k-image-to-video
          • kling-video-o1/start-to-end
          • kling-v2.5-turbo-std/image-to-video
          • kling-elements
          • kling-v2.5-turbo-pro/image-to-video
          • kling-video-o3-pro-image-to-video
          • kling-v3.0-pro-image-to-video
          • kling-video-o3-std-image-to-video
          • kling-v2.6-pro-image-to-video
        • seedance
          • seedance-v1.5-pro-image-to-video-fast
          • seedance-v1.5-pro-image-to-video
          • seedance-2.0-global/image-to-video
          • seedance-2.0-global-fast/image-to-video
        • hailuo
          • hailuo-02-standard
          • hailuo-02-i2v-standard
          • hailuo-2.3/i2v-standard
          • hailuo-2.3-fast/image-to-video
          • hailuo-2.3-fast-pro/image-to-video
          • hailuo-2.3/i2v-pro
          • hailuo-02-i2v-pro
          • hailuo-02-fast
        • midjourney
          • midjourney-image-to-video
        • google
          • veo3.1
            • google/veo3.1-fast/image-to-video-channel-low-price
            • google/veo3.1-lite/image-to-video-official-stable
            • google/veo3.1-pro/image-to-video-official-stable
            • google/veo3.1-fast/start-end-to-video-channel-low-price
            • google/veo3.1-pro/reference-to-video-official-stable
            • google/veo3.1-fast/image-to-video-official-stable
            • google/veo3.1-pro/start-end-to-video-channel-low-price
        • sora
          • sora-2/image-to-video-realistic-official-stable
          • sora-2/text-to-video-pro-official-stable
          • sora-2/image-to-video-pro-official-stable
          • sora-2/image-to-video-pro-channel-low-price
          • sora-2/image-to-video-official-stable
          • sora-2/image-to-video-channel-low-price
        • wan
          • wan-2.6-reference-to-video
          • wan-2.5-preview/image-to-video
          • wan-2.2-video/start-to-end
          • wan-2.6-reference-to-video-flash
          • wan-2.6-image-to-video-flash
          • wan-2.2/image-to-video
          • wan-2.7/image-to-video
        • ltx
          • ltx-2.3/image-to-video
          • ltx-2.3/image-to-video-lora
        • xai
          • grok
            • xai/grok-imagine/image-to-video-channel-low-price
            • xai/grok-imagine/image-to-video-official-stable
        • alibaba
          • wan
            • alibaba/wan-2.6/image-to-video
        • pixverse
          • pixverse-v6/image-to-video
        • happyhorse
          • happyhorse-1.0/image-to-video
      • reference-to-video
        • kling-video-o3-4k-reference-to-video
        • Vidu-reference-to-video-q2
        • kling-video-o1-std/refrence-to-video
        • seedance-v1-lite-reference-to-video
        • Vidu-reference-to-video-q3-mix
        • Vidu-reference-to-video-q3
        • wan-2.7-reference-to-video
        • kling-video-o3-pro/reference-to-video
        • kling-video-o3-std/reference-to-video
        • xai/grok-imagine-video/reference-to-video-official-stable
        • seedance-2.0-global/multimodal-video
        • seedance-2.0-global-fast/multimodal-video
        • happyhorse-1.0/reference-to-video
      • text-to-video
        • Vidu
          • Vidu-text-to-video-q2
          • Vidu-text-to-video-q3-pro
          • Vidu-text-to-video-q3-turbo
        • kling
          • kling-video-o3-4k-text-to-video
          • kling-video-o1/text-to-video
          • kling-v3-4k-text-to-video
          • kling-v2.5-turbo-pro/text-to-video
          • kling-v2.6-pro-text-to-video
          • kling-video-o3-std-text-to-video
          • kling-video-o3-pro-text-to-video
          • kling-v3.0-pro-text-to-video
          • kling-v3.0-std-text-to-video
          • kling-v2.5-turbo-std/text-to-video
        • seedance
          • seedance-v1.5-pro-text-to-video-fast
          • seedance-v1.5-pro-text-to-video
          • seedance-2.0-global/text-to-video
          • seedance-2.0-global-fast/text-to-video
        • hailuo
          • hailuo-02-pro
          • hailuo-02-t2v-standard
          • hailuo-2.3-t2v-standard
          • hailuo-2.3-t2v-pro
          • hailuo-02-t2v-pro
        • google
          • veo3.1
            • google/veo3.1-fast/text-to-video-channel-low-price
            • google/veo3.1-lite/start-end-to-video-official-stable
            • google/veo3.1-pro/text-to-video-channel-low-price
            • google/veo3.1-lite/text-to-video-official-stable
            • google/veo3.1-pro/text-to-video-official-stable
            • google/veo3.1-fast/video-extend-official-stable
            • google/veo3.1-pro/video-extend-official-stable
            • google/veo3.1-fast/text-to-video-official-stable
        • xai
          • grok
            • xai/grok-imagine/text-to-video-official-stable
            • xai/grok-imagine/text-to-video-channel-low-price
        • wan
          • wan-2.5-preview/text-to-video
          • wan-2.2/text-to-video
          • wan-2.7/text-to-video
        • ltx
          • ltx-2.3/text-to-video
          • ltx-2.3/text-to-video-lora
        • alibaba
          • wan
            • alibaba/wan-2.6/text-to-video
        • sora
          • sora-2/text-to-video-pro-channel-low-price
          • sora-2/text-to-video-official-stable
          • sora-2/text-to-video-channel-low-price
        • pixverse
          • pixverse-v6/text-to-video
        • happyhorse
          • happyhorse-1.0/text-to-video
      • video-edit
        • kling-video-o1-std/edit-video
        • xai/grok-imagine/edit-video-official-stable
        • wan-2.7/video-edit
        • kling-video-o3-pro/video-edit
        • kling-video-o3-std/video-edit
        • happyhorse-1.0/video-edit
      • video-tools
        • pixverse-v6/extend
        • sora-upload-character-channel-low-price
        • pixverse-v6/transition
        • rh-video-fps-increaser
        • rh-video-upscaler
      • motion-control
        • kling-v2.6-pro-motion-control
        • bytedance/dreamactor-v2
        • kling-v2.6-std-motion-control
        • kling-v3.0-pro-motion-control
        • kling-v3.0-std-motion-control
      • audio-to-video
        • kling-lip-sync/identify-face
        • kling-lip-sync/lip-sync-video
      • video-extend
        • wan-2.7/video-extend
          POST
        • xai/grok-imagine-video/video-extend-official-stable
          POST
    • 3D Generation & Processing
      • text-to-3D
        • hunyuan3d-v3.1/text-to-3d
      • image-to-3D
        • hunyuan3d-v3.1/image-to-3d
        • hitem3d-v2/image-to-3d
        • hitem3d-v15/multi-image-to-3d
        • hitem3d-v2/multi-image-to-3d
        • hitem3d-portrait-v21/image-to-3d
        • hitem3d-portrait-v21/multi-image-to-3d
        • hitem3d-portrait-v20/image-to-3d
        • hitem3d-portrait-v20/multi-image-to-3d
        • hitem3d-portrait-v15/image-to-3d
        • hitem3d-portrait-v15/multi-image-to-3d
        • hitem3d-v15/image-to-3d
    • Image Generation & Processing
      • image-to-image
        • seedream
          • seedream-v4/image-to-image
          • seedream-v5-lite/image-to-image
          • seedream-v4.5/image-to-image
        • grok
          • grok-image/image-to-image/channel-low-price
        • f
          • f-2-klein-4b/edit
          • f-kontext-dev-lora
          • f-2-klein-4b/edit-lora
          • f-2-dev/edit-lora
          • f-2-dev/edit
          • f-2-klein-9b/edit
        • qwen
          • qwen-image/edit-2511-lora
          • qwen-image/edit-2511
          • qwen-image-2.0/image-edit
          • qwen-image-2.0-pro/image-edit
        • z
          • z-image-turbo/image-to-image-lora
          • z-image-turbo/image-to-image
        • wan
          • wan-2.5-preview/image-to-image
          • wan-2.2/image-to-image
        • midjourney
          • midjourney-text-to-image-v6
        • nano
          • nano-banana2-gemini31flash/image-to-image-channel-low-price
          • nano-banana2-gemini31flash/image-to-image-official-stable
          • nano-banana/edit-official-stable
          • nano-banana-pro/edit-official-stable
          • nano-banana-pro/edit-channel-low-price
          • nano-banana-pro/edit-ultra-official-stable
          • nano-banana/edit-channel-low-price
        • gpt
          • gpt-image-2/image-to-image-official-stable
          • gpt-image-2.0/edit-channel-low-price
          • gpt-image-1.5/edit-channel-low-price-[Deprecated] Please use gpt-image-2 instead
          • gpt-image-1.5/image-to-image-official-stable
        • xai
          • grok
            • xai/grok-imagine-image/edit-official-stable
      • text-to-image
        • seedream
          • seedream-v4/text-to-image
          • seedream-v4.5/text-to-image
          • seedream-v5-lite/text-to-image
        • grok
          • grok-image/text-to-image/channel-low-price
        • qwen
          • qwen-image/text-to-image-2512-lora
          • qwen-image/text-to-image-2512
          • qwen-image-2.0/text-to-image
          • qwen-image-2.0-pro/text-to-image
        • z
          • z-image/turbo-lora
          • z-image/turbo
        • f
          • f-2-klein-4b/text-to-image-lora
          • f-krea-dev-lora
          • f-dev-lora
          • f-2-dev/text-to-image-lora
          • f-2-dev/text-to-image
          • f-2-klein-9b/text-to-image-lora
          • f-2-klein-9b/text-to-image
          • f-2-klein-4b/text-to-image
          • f-dev
        • wan
          • wan-2.5-preview/text-to-image
          • wan-2.7/text-to-image-pro
          • wan-2.2/text-to-image-lora
          • wan-2.7/text-to-image
        • midjourney
          • midjourney-text-to-image-niji7
          • midjourney-text-to-image-niji6
          • midjourney-text-to-image-v61
          • midjourney-text-to-image-v7
        • nano
          • nano-banana2-gemini31flash/text-to-image-official-stable
          • nano-banana2-gemini31flash/text-to-image-channel-low-price
          • nano-banana/text-to-image-official-stable
          • nano-banana-pro/text-to-image-official-stable
          • nano-banana-pro/text-to-image-channel-low-price
          • nano-banana-pro/text-to-image-ultra-official-stable
          • nano-banana/text-to-image-channel-low-price
        • gpt
          • gpt-image-2/text-to-image-official-stable
          • gpt-image-2.0/text-to-image-channel-low-price
          • gpt-image-1.5/text-to-image-official-stable
          • gpt-image-1.5/text-to-image-channel-low-price-[Deprecated] Please use gpt-image-2 instead
        • xai
          • grok
            • xai/grok-imagine-image/text-to-image-official-stable
      • image-tools
        • wan-2.7/image-edit-pro
        • wan-2.7/image-edit
      • reference-to-image
        • Vidu-reference-to-video-q2-pro
    • Audio Generation & Processing
      • text-to-audio
        • kling-lip-sync/tts
        • minimax/speech-2.8-hd
        • minimax/speech-2.6-hd
        • minimax/speech-2.6-turbo
        • minimax/speech-2.8-turbo
        • minimax/music-2.5
        • minimax/voice-clone
        • minimax/speech-02-hd
        • minimax/speech-02-turbo
      • text-to-music
        • suno-single-v5.5
        • suno-custom-v5.5
        • suno-single-v5
        • suno-custom-v5
        • suno-single-v4.5
        • suno-custom-v4.5
      • text-to-lyrics
        • suno-lyrics
  • Get Account Information
    POST
  • Schemas
    • Get Workflow JSON Request
    • TaskRunWebappByKeyRequest
    • Generate task submission results
    • Get Workflow JSON Response
    • Start ComfyUI Task Request 1
    • Start ComfyUI Task Request 2
    • Start ComfyUI Task Request -webhook
    • Start ComfyUI Task Response
    • TaskCreateResponse
    • Check Task Status Request
    • Node Input Information
    • Get Account Information Request
    • Upload Resource Request
    • Get Webhook Event Details Request
    • Resend Specific Webhook Request
    • R?
    • RWorkflowDuplicateResponse
    • RAccountStatusResponse
    • WorkflowDuplicateResponse
    • AccountStatusResponse
    • WorkflowDuplicateRequest
    • ApiUploadLoraRequest
    • RString
    • RTaskUploadResponse
    • TaskUploadResponse
  1. video-extend

xai/grok-imagine-video/video-extend-official-stable

POST
/openapi/v2/rhart-video-g-official/video-extend
Grok Imagine Video Extend is a video continuation model designed to extend existing clips with smooth motion and coherent scene progression. It generates additional frames based on the source video and automatically appends the new footage to the original, making it well suited for clip extension, social media content growth, B-roll continuation, and creative storytelling workflows. Official-stable: stable and highly efficient, with pricing lower than purchasing directly from the official model provider.

Request

Authorization
Header Params

Body Params application/jsonRequired

Example
{
    "videoUrl": "https://www.runninghub.cn/view?filename=1a6803ce428a14b0d1dacba23432f2ed62fe04a18795fb019387ee37554c5807.mp4&type=input&subfolder=&Rh-Comfy-Auth=eyJ1c2VySWQiOiIzZjY1MTNlNWEwNjY1N2I4OGYyNjU5NTEzYmU3ZDM0YyIsInNpZ25FeHBpcmUiOjE3NzY4MjU1NzI3NzMsInRzIjoxNzc2MjIwNzcyNzczLCJzaWduIjoiOWMyYWI4YjhmYmE5ZWEzNDFiYTgzNmZlOThmY2JmOTEifQ==&Rh-Identify=3f6513e5a06657b88f2659513be7d34c&rand=0.8826347851262748",
    "prompt": "The father was telling his daughter a story.",
    "duration": "6"
}

Request Code Samples

Shell
JavaScript
Java
Swift
Go
PHP
Python
HTTP
C
C#
Objective-C
Ruby
OCaml
Dart
R
Request Request Example
Shell
JavaScript
Java
Swift
curl --location --request POST 'https://www.runninghub.ai/openapi/v2/rhart-video-g-official/video-extend' \
--header 'Authorization: Bearer [Your API KEY]' \
--header 'Content-Type: application/json' \
--data-raw '{
    "videoUrl": "https://www.runninghub.cn/view?filename=1a6803ce428a14b0d1dacba23432f2ed62fe04a18795fb019387ee37554c5807.mp4&type=input&subfolder=&Rh-Comfy-Auth=eyJ1c2VySWQiOiIzZjY1MTNlNWEwNjY1N2I4OGYyNjU5NTEzYmU3ZDM0YyIsInNpZ25FeHBpcmUiOjE3NzY4MjU1NzI3NzMsInRzIjoxNzc2MjIwNzcyNzczLCJzaWduIjoiOWMyYWI4YjhmYmE5ZWEzNDFiYTgzNmZlOThmY2JmOTEifQ==&Rh-Identify=3f6513e5a06657b88f2659513be7d34c&rand=0.8826347851262748",
    "prompt": "The father was telling his daughter a story.",
    "duration": "6"
}'

Responses

🟢200成功
application/json
Task result query endpoint: /openapi/v2/query
Body

Examples
{
    "taskId": "2013508786110730241",
    "status": "RUNNING",
    "errorCode": "",
    "errorMessage": "",
    "results": null,
    "clientId": "f828b9af25161bc066ef152db7b29ccc",
    "promptTips": "{\"result\": true, \"error\": null, \"outputs_to_execute\": [\"4\"], \"node_errors\": {}}"
}
Modified at 2026-04-23 02:17:48
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