> ## Documentation Index > Fetch the complete documentation index at: https://docs.evolink.ai/llms.txt > Use this file to discover all available pages before exploring further. # Gemini Omni Flash Video Edit > - The Gemini Omni Flash (gemini-omni-flash-video-edit) model supports video editing mode, producing an edited video from an input video and a text prompt - **Video input:** Provided via `video_urls`; only 1 video is supported, and the input video must not exceed 10 seconds - **Editing instructions:** Describe the desired editing effect via `prompt` (e.g. adjust lighting, change style, etc.) - **Native audio:** The model automatically generates synchronized audio for the video, no extra parameters required - **Parameter constraints:** `duration` and `aspect_ratio` are not supported in video editing mode; the output follows the input video - **Negative description:** Write it directly into `prompt` (e.g. `No dialogue`); this model does not provide a separate negative prompt parameter - Asynchronous processing mode; use the returned task ID to [query the result](/en/api-manual/task-management/get-task-detail) - The generated video link is valid for 24 hours, please save it promptly ## OpenAPI ````yaml en/api-manual/video-series/gemini-omni-flash/gemini-omni-flash-video-edit.json POST /v1/videos/generations openapi: 3.1.0 info: title: gemini-omni-flash-video-edit API description: >- Use the Gemini Omni Flash model for video editing, producing an edited video from an input video and a text prompt license: name: MIT version: 1.0.0 servers: - url: https://api.evolink.ai description: Production environment security: - bearerAuth: [] paths: /v1/videos/generations: post: tags: - Video Generation summary: gemini-omni-flash-video-edit API description: >- - The Gemini Omni Flash (gemini-omni-flash-video-edit) model supports video editing mode, producing an edited video from an input video and a text prompt - **Video input:** Provided via `video_urls`; only 1 video is supported, and the input video must not exceed 10 seconds - **Editing instructions:** Describe the desired editing effect via `prompt` (e.g. adjust lighting, change style, etc.) - **Native audio:** The model automatically generates synchronized audio for the video, no extra parameters required - **Parameter constraints:** `duration` and `aspect_ratio` are not supported in video editing mode; the output follows the input video - **Negative description:** Write it directly into `prompt` (e.g. `No dialogue`); this model does not provide a separate negative prompt parameter - Asynchronous processing mode; use the returned task ID to [query the result](/en/api-manual/task-management/get-task-detail) - The generated video link is valid for 24 hours, please save it promptly operationId: createGeminiOmniFlashVideoEditGeneration requestBody: required: true content: application/json: schema: $ref: '#/components/schemas/GeminiOmniFlashVideoEditRequest' examples: video_edit: summary: Video edit value: model: gemini-omni-flash-video-edit prompt: >- Make the lighting in the scene warmer and keep everything else unchanged video_urls: - https://example.com/source.mp4 responses: '200': description: Video task created successfully content: application/json: schema: $ref: '#/components/schemas/VideoGenerationResponse' '400': description: Invalid request parameters content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' example: error: code: invalid_request message: Invalid request parameters type: invalid_request_error '401': description: Not authenticated, token invalid or expired content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' example: error: code: unauthorized message: Invalid or expired token type: authentication_error '402': description: Insufficient quota, top-up required content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' example: error: code: insufficient_quota message: Insufficient quota. Please top up your account. type: insufficient_quota '403': description: Access denied content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' example: error: code: model_access_denied message: >- Token does not have access to model: gemini-omni-flash-video-edit type: invalid_request_error '429': description: Rate limit exceeded content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' example: error: code: rate_limit_exceeded message: Too many requests, please try again later type: rate_limit_error '500': description: Internal server error content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' example: error: code: internal_error message: Internal server error type: api_error components: schemas: GeminiOmniFlashVideoEditRequest: required: - model - prompt type: object properties: model: type: string description: Model name, fixed to `gemini-omni-flash-video-edit` enum: - gemini-omni-flash-video-edit example: gemini-omni-flash-video-edit prompt: type: string description: >- Text prompt for video editing, describing the desired editing effect, supports both English and Chinese **Usage tips:** - Describe the elements to change and the parts to keep unchanged (e.g. "make the lighting warmer and keep everything else unchanged") - Write negative requirements directly into the prompt (e.g. `No dialogue`, `no text on screen`); this model does not provide a separate negative prompt parameter example: >- Make the lighting in the scene warmer and keep everything else unchanged video_urls: type: array items: type: string format: uri minItems: 1 maxItems: 1 description: |- Array of videos to edit; only 1 is supported **Input requirements:** - Currently only HTTP/HTTPS video URLs are supported - Format: mp4 - Duration: no more than `10` seconds example: - https://example.com/source.mp4 callback_url: type: string description: >- HTTPS callback URL to notify when the task completes **Callback timing:** - Triggered when the task completes (completed), fails (failed), or is cancelled (cancelled) - Sent after billing is confirmed **Security restrictions:** - HTTPS protocol only - Callbacks to internal IP addresses are forbidden (127.0.0.1, 10.x.x.x, 172.16-31.x.x, 192.168.x.x, etc.) - URL length must not exceed `2048` characters **Callback mechanism:** - Timeout: `10` seconds - Up to `3` retries on failure (retried `1`s / `2`s / `4`s after each failure respectively) - The callback body format matches the response of the task query endpoint - A 2xx status code from the callback URL is treated as success; other status codes trigger a retry format: uri example: https://your-domain.com/webhooks/video-task-completed VideoGenerationResponse: type: object properties: created: type: integer description: Task creation timestamp example: 1757169743 id: type: string description: Task ID example: task-unified-1757169743-7cvnl5zw model: type: string description: The model name actually used example: gemini-omni-flash-video-edit object: type: string enum: - video.generation.task description: The specific type of the task progress: type: integer description: Task progress percentage (0-100) minimum: 0 maximum: 100 example: 0 status: type: string description: Task status enum: - pending - processing - completed - failed example: pending task_info: $ref: '#/components/schemas/VideoTaskInfo' description: Detailed video task information type: type: string enum: - text - image - audio - video description: The output type of the task example: video usage: $ref: '#/components/schemas/Usage' description: Usage and billing information ErrorResponse: type: object properties: error: type: object properties: code: type: string description: Error code identifier message: type: string description: Error description message type: type: string description: Error type VideoTaskInfo: type: object properties: can_cancel: type: boolean description: Whether the task can be cancelled example: false estimated_time: type: integer description: Estimated completion time (seconds) minimum: 0 example: 60 Usage: type: object description: Usage and billing information properties: billing_rule: type: string description: Billing rule enum: - per_call - per_token - per_second example: per_token credits_reserved: type: number description: Estimated credits to be consumed minimum: 0 example: 102.34 user_group: type: string description: User group category enum: - default - vip example: default securitySchemes: bearerAuth: type: http scheme: bearer description: >- ##All endpoints require authentication using a Bearer Token## **Get your API Key:** Visit the [API Key management page](https://evolink.ai/dashboard/keys) to obtain your API Key **Add it to the request header:** ``` Authorization: Bearer YOUR_API_KEY ``` ````