1. f
RunningHub-API
  • Log of Update
  • Getting Started
    • Instructions for Use
    • About nodeInfoList
    • About Enterprise ComfyUI API
    • Native ComfyUI API Integration Guide
    • API Error Code Reference
  • Quick Create
    • About Quick Create Invocation
    • Obtain quick create - model library style parameter data
    • Initiate Quick Create Task
  • Integration Example
    • Complete integration example
    • Complete Integration Example – Advanced Edition
    • Task Progress Display Example
    • Full Workflow Integration Example
  • Standard Model API
    • Video Generation & Processing
      • image-to-video
        • Vidu
          • Vidu-image-to-video-q3-pro-fast
          • Vidu-start-end-to-video-q3-pro-fast
          • 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-pro-image-to-video
          • kling-video-o3-pro/reference-to-video
          • kling-video-o1/image-to-video
          • kling-v3.0-std-image-to-video
          • kling-video-o3-std/reference-to-video
          • kling-video-o1/start-to-end
          • kling-video-o3-pro-image-to-video
          • kling-video-o3-std-image-to-video
          • kling-elements
          • kling-v2.5-turbo-std/image-to-video
          • kling-v2.5-turbo-pro/image-to-video
          • kling-v2.6-pro-image-to-video
        • wan
          • wan-2.7/image-to-video
          • wan-2.2/image-to-video
          • wan-2.6-reference-to-video
          • wan-2.6-reference-to-video-flash
          • wan-2.6-image-to-video-flash
          • wan-2.2-video/start-to-end
        • alibaba
          • wan
            • alibaba/wan-2.6/image-to-video
        • seedance
          • seedance-2.0/image-to-video
          • seedance-2.0-fast/image-to-video
          • seedance-v1.5-pro-image-to-video-fast
          • seedance-v1.5-pro-image-to-video
        • hailuo
          • hailuo-02-i2v-standard
          • hailuo-02-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
        • sora
          • sora-2/image-to-video-channel-low-price
          • sora-2/image-to-video-pro-official-stable
          • sora-2/image-to-video-pro-channel-low-price
          • sora-2/text-to-video-pro-official-stable
          • sora-2/image-to-video-realistic-official-stable
          • sora-2/image-to-video-official-stable
          • sora-2/image-to-video-channel-low-price
          • sora-2/image-to-video-pro-channel-low-price
        • xai
          • grok
            • xai/grok-imagine/image-to-video-channel-low-price
            • xai/grok-imagine/image-to-video-official-stable
        • google
          • veo3.1
            • google/veo3.1-pro/start-end-to-video-channel-low-price
            • google/veo3.1-fast/image-to-video-channel-low-price
            • google/veo3.1-fast/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
        • skyreels
          • skyreels-v4/image-to-video
        • ltx
          • ltx-2.3/image-to-video
          • ltx-2.3/image-to-video-lora
        • pixverse
          • pixverse-v6/image-to-video
      • reference-to-video
        • wan-2.7-reference-to-video
        • skyreels-v3/reference-to-video
        • Vidu-reference-to-video-q3
        • seedance-2.0/multimodal-video
        • Vidu-reference-to-video-q2
        • seedance-2.0-fast/multimodal-video
        • kling-video-o1-std/refrence-to-video
        • seedance-v1-lite-reference-to-video
        • skyreels-v4/omni-reference
        • Vidu-reference-to-video-q3-mix
      • text-to-video
        • Vidu
          • Vidu-text-to-video-q3-pro-fast
          • Vidu-text-to-video-q2
          • Vidu-text-to-video-q3-pro
          • Vidu-text-to-video-q3-turbo
        • kling
          • kling-video-o3-std-text-to-video
          • kling-video-o1/text-to-video
          • kling-v3.0-pro-text-to-video
          • kling-v3.0-std-text-to-video
          • kling-video-o3-pro-text-to-video
          • kling-v2.5-turbo-pro/text-to-video
          • kling-v2.6-pro-text-to-video
        • alibaba
          • wan
            • alibaba/wan-2.6/text-to-video
        • seedance
          • seedance-2.0/text-to-video
          • seedance-2.0-fast/text-to-video
          • seedance-v1.5-pro-text-to-video-fast
          • seedance-v1.5-pro-text-to-video
        • hailuo
          • hailuo-02-t2v-standard
          • hailuo-02-pro
          • hailuo-2.3-t2v-standard
          • hailuo-2.3-t2v-pro
          • hailuo-02-t2v-pro
        • sora
          • sora-2/text-to-video-channel-low-price
          • sora-2/text-to-video-pro-channel-low-price
          • sora-2/text-to-video-official-stable
          • sora-2/text-to-video-channel-low-price
          • sora-2/text-to-video-pro-channel-low-price
        • xai
          • grok
            • xai/grok-imagine/text-to-video-channel-low-price
            • xai/grok-imagine/text-to-video-official-stable
        • google
          • veo3.1
            • google/veo3.1-pro/text-to-video-channel-low-price
            • 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-channel-low-price
            • google/veo3.1-fast/text-to-video-official-stable
        • cinematic
          • cinematic-video-generator
        • wan
          • wan-2.7/text-to-video
          • wan-2.2/text-to-video
        • skyreels
          • skyreels-v4/text-to-video
        • ltx
          • ltx-2.3/text-to-video
          • ltx-2.3/text-to-video-lora
        • pixverse
          • pixverse-v6/text-to-video
      • video-edit
        • wan-2.7/video-edit
        • kling-video-o3-pro/video-edit
        • kling-video-o3-std/video-edit
        • kling-video-o1-std/edit-video
        • xai/grok-imagine/edit-video-official-stable
      • motion-control
        • kling-v3.0-pro-motion-control
        • kling-v3.0-std-motion-control
        • kling-v2.6-pro-motion-control
        • bytedance/dreamactor-v2
        • kling-v2.6-std-motion-control
      • video-tools
        • sora-upload-character-official
        • pixverse-v6/extend
        • pixverse-v6/transition
        • sora-upload-character-channel-low-price
        • rh-video-upscaler
        • rh-video-fps-increaser
      • video-effects
        • skyreels-v3/video-restyling
      • video-extend
        • wan-2.7/video-extend
        • skyreels-v3/single-shot-video-extension
        • skyreels-v3/shot-switching-video-extension
      • audio-to-video
        • kling-lip-sync/identify-face
        • kling-lip-sync/lip-sync-video
    • 3D Generation & Processing
      • text-to-3D
        • hunyuan3d-v3.1/text-to-3d
      • image-to-3D
        • hitem3d-v15/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
    • Audio Generation & Processing
      • text-to-audio
        • minimax/speech-2.8-hd
        • minimax/music-2.5
        • minimax/speech-02-hd
        • minimax/speech-02-turbo
        • minimax/speech-2.6-hd
        • minimax/speech-2.6-turbo
        • minimax/speech-2.8-turbo
        • minimax/voice-clone
        • kling-lip-sync/tts
    • Image Generation & Processing
      • reference-to-image
        • Vidu-reference-to-video-q2-pro
      • image-to-image
        • midjourney
          • midjourney-text-to-image-niji6
          • midjourney-text-to-image-v61
          • midjourney-text-to-image-v6
          • midjourney-text-to-image-v7
        • seedream
          • seedream-v4.5/image-to-image
          • seedream-v4/image-to-image
          • seedream-v5-lite/image-to-image
        • nano
          • nano-banana2-gemini31flash/image-to-image-channel-low-price
          • nano-banana-pro/edit-channel-low-price
          • nano-banana2-gemini31flash/image-to-image-official-stable
          • nano-banana/edit-channel-low-price
          • nano-banana/edit-official-stable
          • nano-banana-pro/edit-ultra-official-stable
          • nano-banana-pro/edit-official-stable
        • gpt
          • gpt-image-1.5/edit-channel-low-price
        • grok
          • grok-image/image-to-image/channel-low-price
        • qwen
          • qwen-image/edit-2511-lora
          • qwen-image/edit-2511
          • qwen-image-2.0-pro/image-edit
          • qwen-image-2.0/image-edit
        • z
          • z-image-turbo/image-to-image-lora
          • z-image-turbo/image-to-image
        • wan
          • wan-2.2/image-to-image
        • f
          • f-kontext-dev-lora
          • f-2-dev/edit-lora
          • f-2-dev/edit
          • f-2-klein-9b/edit
          • f-2-klein-4b/edit
          • f-2-klein-4b/edit-lora
      • text-to-image
        • midjourney
          • midjourney-text-to-image-niji7
        • nano
          • nano-banana-pro/text-to-image-channel-low-price
          • nano-banana2-gemini31flash/text-to-image-official-stable
          • nano-banana/text-to-image-channel-low-price
          • nano-banana-pro/text-to-image-ultra-official-stable
          • nano-banana2-gemini31flash/text-to-image-channel-low-price
          • nano-banana-pro/text-to-image-official-stable
          • nano-banana/text-to-image-official-stable
        • gpt
          • gpt-image-1.5/text-to-image-official-stable
          • gpt-image-1.5/text-to-image-channel-low-price
          • gpt-image-1.5/image-to-image-official-stable
        • seedream
          • seedream-v4.5/text-to-image
          • seedream-v5-lite/text-to-image
          • seedream-v4/text-to-image
        • grok
          • grok-image/text-to-image/channel-low-price
        • qwen
          • qwen-image/text-to-image-2512
          • qwen-image/text-to-image-2512-lora
          • qwen-image-2.0/text-to-image
          • qwen-image-2.0-pro/text-to-image
        • z
          • z-image/turbo-lora
          • z-image/turbo
        • wan
          • wan-2.2/text-to-image-lora
          • wan-2.7/text-to-image-pro
          • wan-2.7/text-to-image
        • f
          • f-krea-dev-lora
            POST
          • f-dev-lora
            POST
          • f-2-dev/text-to-image-lora
            POST
          • f-2-dev/text-to-image
            POST
          • f-2-klein-9b/text-to-image-lora
            POST
          • f-2-klein-9b/text-to-image
            POST
          • f-2-klein-4b/text-to-image
            POST
          • f-2-klein-4b/text-to-image-lora
            POST
          • f-dev
            POST
      • image-tools
        • wan-2.7/image-edit-pro
        • wan-2.7/image-edit
    • Other
      • pixverse-v5.6/text-to-video
      • pixverse-v5.6/image-to-video
  • Task Query & webhook
    • Check Task Status
    • Check Task Output
    • Get Webhook Event Details
    • Resend Specific Webhook Event
    • Query generation result (V2)
  • ComfyUI Workflows
    • Start ComfyUI Task 1 - Basic
    • Start ComfyUI Task 2 - Advanced
    • Get Workflow JSON
    • Cancel ComfyUI Task
  • 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
  • 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. f

f-2-klein-9b/text-to-image-lora

POST
/openapi/v2/rhart-image/f-2-klein-9b/text-to-image-lora
The text-to-image LoRA customized version of FLUX.2 Klein 9B, opening deep personalization capabilities on top of 9-billion parameter high-quality generation. Supports injection of specific artistic styles, brand visual languages, or proprietary character likenesses through LoRA adapters, achieving precise alignment between creative intent and visual aesthetics. Sub-second generation speed combined with multi-reference input provides flexible customization solutions for professional teams requiring cross-project style consistency, IP content developers, and high-end commercial brands.

Request

Authorization
Header Params

Body Params application/jsonRequired

Example
{
    "52##select": "1",
    "36##value": 1024,
    "35##value": 1024,
    "37##text": "Rows of wooden record racks filled with vinyl records. The walls are densely covered with framed music posters, album covers, and neon signs (a blue 'OPEN' sign and a pink rectangular sign). Other customers can be seen browsing in the blurred background. A slim young East Asian woman stands sideways, holding a vinyl record with both hands, examining it carefully. She wears a white off-shoulder printed T-shirt with black graffiti/cartoon-style patterns. Pink ribbons are tied to the straps. She carries a black leather shoulder bag with silver studs and hardware, decorated with a light pink ribbon bow. Simple silver necklace and small earrings. The main subject is in sharp focus. The moderate depth of field blurs the busy posters and other shoppers in the background.",
    "59##lora_name": "CHIZHICKLENB4(1).safetensors",
    "59##strength_model": 0,
    "55##file_type": "PNG"
}

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-image/f-2-klein-9b/text-to-image-lora' \
--header 'Authorization: Bearer [Your API KEY]' \
--header 'Authorization: Bearer [Your API KEY]' \
--header 'Content-Type: application/json' \
--data-raw '{
    "52##select": "1",
    "36##value": 1024,
    "35##value": 1024,
    "37##text": "Rows of wooden record racks filled with vinyl records. The walls are densely covered with framed music posters, album covers, and neon signs (a blue '\''OPEN'\'' sign and a pink rectangular sign). Other customers can be seen browsing in the blurred background. A slim young East Asian woman stands sideways, holding a vinyl record with both hands, examining it carefully. She wears a white off-shoulder printed T-shirt with black graffiti/cartoon-style patterns. Pink ribbons are tied to the straps. She carries a black leather shoulder bag with silver studs and hardware, decorated with a light pink ribbon bow. Simple silver necklace and small earrings. The main subject is in sharp focus. The moderate depth of field blurs the busy posters and other shoppers in the background.",
    "59##lora_name": "CHIZHICKLENB4(1).safetensors",
    "59##strength_model": 0,
    "55##file_type": "PNG"
}'

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 2026-03-28 04:00:16
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