> ## 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. # Hailuo-2.3-Fast Video Generation > - Hailuo 2.3 Fast (MiniMax-Hailuo-2.3-Fast) supports I2V (Image-to-Video) mode only - Fastest generation speed, ultimate physics effects - Supports 15 camera motion commands like `[Pan left]`, `[Push in]`, `[Static shot]` - Async processing, use returned task ID to [query status](/en/api-manual/task-management/get-task-detail) - Generated video links are valid for 24 hours, please save promptly ## OpenAPI ````yaml /en/api-manual/video-series/hailuo/hailuo-2-3-fast-video-generate.json POST /v1/videos/generations openapi: 3.1.0 info: title: Hailuo 2.3 Fast API description: >- Create video generation tasks using MiniMax Hailuo 2.3 Fast model, I2V mode only license: name: MIT version: 1.0.0 servers: - url: https://api.evolink.ai description: Production security: - bearerAuth: [] tags: - name: Video Generation description: AI video generation APIs paths: /v1/videos/generations: post: tags: - Video Generation summary: Hailuo 2.3 Fast API description: >- - Hailuo 2.3 Fast (MiniMax-Hailuo-2.3-Fast) supports I2V (Image-to-Video) mode only - Fastest generation speed, ultimate physics effects - Supports 15 camera motion commands like `[Pan left]`, `[Push in]`, `[Static shot]` - Async processing, use returned task ID to [query status](/en/api-manual/task-management/get-task-detail) - Generated video links are valid for 24 hours, please save promptly operationId: createVideoGeneration requestBody: required: true content: application/json: schema: $ref: '#/components/schemas/VideoGenerationRequest' examples: image_to_video: summary: Image-to-Video (I2V) value: model: MiniMax-Hailuo-2.3-Fast prompt: A cat slowly opens its eyes and looks around [Pan left] responses: '200': description: Video generation 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: Unauthenticated, invalid or expired token content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' example: error: code: unauthorized message: Invalid or expired token type: authentication_error '402': description: Insufficient quota, recharge 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: MiniMax-Hailuo-2.3-Fast' 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: VideoGenerationRequest: type: object required: - model - image_urls properties: model: type: string description: Video generation model name default: MiniMax-Hailuo-2.3-Fast example: MiniMax-Hailuo-2.3-Fast prompt: type: string description: >- Prompt describing motion and camera movement, optional. Max 2000 characters **15 Camera Commands:** - Truck: `[Truck left]`, `[Truck right]` - Pan: `[Pan left]`, `[Pan right]` - Dolly: `[Push in]`, `[Pull out]` - Pedestal: `[Pedestal up]`, `[Pedestal down]` - Tilt: `[Tilt up]`, `[Tilt down]` - Zoom: `[Zoom in]`, `[Zoom out]` - Special: `[Shake]` - Follow: `[Tracking shot]` - Static: `[Static shot]` **Usage:** - Combined: Multiple commands in one `[]` execute simultaneously, e.g. `[Pan left,Pedestal up]`, max 3 recommended - Sequential: Commands execute in text order, e.g. `...slowly [Push in], then quickly [Pull out]` example: A cat slowly opens its eyes and looks around [Pan left] maxLength: 2000 image_urls: type: array description: |- Reference image URL for I2V mode, required for Hailuo 2.3 Fast **Requirements:** - Must provide 1 image - Image size: max 20MB - Formats: JPG, JPEG, PNG, WebP - Aspect ratio: 2:5 to 5:2 - Short edge > 300px items: type: string format: uri minItems: 1 maxItems: 1 example: - https://example.com/image.jpg quality: type: string description: |- Video resolution **I2V supported:** - 768p (default) - 1080p **Duration & Resolution:** - 768p: 6s, 10s - 1080p: 6s only enum: - 768p - 1080p default: 768p example: 1080p duration: type: integer description: |- Video duration (seconds) - 6 seconds (default) - 10 seconds (not available for 1080p) enum: - 6 - 10 default: 6 example: 6 model_params: type: object description: Model-specific parameters properties: prompt_optimizer: type: boolean description: Auto-optimize prompt. Set false for precise control default: true example: true callback_url: type: string description: >- HTTPS callback URL for task completion **Callback Timing:** - Triggered when task is completed, failed, or cancelled - Sent after billing confirmation **Security Restrictions:** - HTTPS protocol only - Internal IP addresses are prohibited (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 - Maximum `3` retries after failure (at `1`/`2`/`4` seconds after failure) - Callback response format is consistent with task query API - 2xx status code is considered successful, other codes trigger 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: Model name used example: MiniMax-Hailuo-2.3-Fast object: type: string enum: - video.generation.task description: Task type progress: type: integer description: Task progress (0-100) minimum: 0 maximum: 100 example: 0 status: type: string description: Task status enum: - pending - processing - completed - failed example: pending ErrorResponse: type: object properties: error: type: object properties: code: type: string description: Error code identifier message: type: string description: Error description type: type: string description: Error type securitySchemes: bearerAuth: type: http scheme: bearer description: >- ##All APIs require Bearer Token authentication## **Get API Key:** Visit [API Key Management Page](https://evolink.ai/dashboard/keys) to get your API Key **Add to request header:** ``` Authorization: Bearer YOUR_API_KEY ``` ````