> ## Documentation Index > Fetch the complete documentation index at: https://docs.aihubmax.com/llms.txt > Use this file to discover all available pages before exploring further. # PixVerse V6 Transition > - PixVerse V6 transition video model, generates transition video from starting images, with optional tail-frame image to constrain the ending - Supports 1-15 seconds and 360p / 540p / 720p / 1080p output - Supports stylization, audio generation, multi-clip, and prompt optimization - Async processing mode, use the returned task ID to [query task status](/pages/en/api-manual/task-management/get-task-detail) - Generated video links are valid for 24 hours, please save them promptly ## OpenAPI ````yaml openapi/en/pixverse-v6-transition.json POST /v1/videos/generations openapi: 3.1.0 info: title: PixVerse V6 Transition version: '1.0' servers: - url: https://api.aihubmax.com security: - BearerAuth: [] paths: /v1/videos/generations: post: tags: - Video > PixVerse summary: PixVerse V6 Transition description: > - PixVerse V6 transition video model, generates transition video from starting images, with optional tail-frame image to constrain the ending - Supports 1-15 seconds and 360p / 540p / 720p / 1080p output - Supports stylization, audio generation, multi-clip, and prompt optimization - Async processing mode, use the returned task ID to [query task status](/pages/en/api-manual/task-management/get-task-detail) - Generated video links are valid for 24 hours, please save them promptly operationId: pixverse-v6-transition requestBody: required: true content: application/json: schema: $ref: '#/components/schemas/PixVerseV6TransitionRequest' examples: example_0: summary: PixVerse V6 Image Transition Video value: model: pixverse-v6-transition prompt: >- Seamlessly transition from the snowy mountain to a summer green valley image_url: https://example.com/mountain-start.jpg image_tail_url: https://example.com/valley-end.jpg aspect_ratio: '16:9' resolution: 720p duration: 5 generate_audio: true thinking_type: auto responses: '200': $ref: '#/components/responses/TaskCreated' '400': $ref: '#/components/responses/BadRequest' '401': $ref: '#/components/responses/Unauthorized' '402': $ref: '#/components/responses/PaymentRequired' '422': $ref: '#/components/responses/UnprocessableEntity' '429': $ref: '#/components/responses/TooManyRequests' '500': $ref: '#/components/responses/InternalServerError' '503': $ref: '#/components/responses/ServiceUnavailable' components: schemas: PixVerseV6TransitionRequest: type: object required: - model - prompt - image_url properties: model: description: >- `pixverse-v6-transition`: Image transition video, with optional tail-frame image to constrain the ending examples: - pixverse-v6-transition type: string default: pixverse-v6-transition prompt: description: > Text prompt describing the desired video content **Notes:** - Supports both Chinese and English - Recommended to clearly describe subject, action, scene, and camera language type: string example: A cinematic dolly shot through a neon cyberpunk alley at night resolution: default: 720p description: | Output video resolution **Options:** - `360p` - `540p` - `720p` — Default - `1080p` type: string example: 720p duration: default: 5 description: | Output video duration in seconds **Notes:** - Supports `1` to `15` seconds - Defaults to `5` seconds type: integer example: 5 generate_audio: default: false description: > Whether to generate accompanying audio **Notes:** - When enabled, can generate background sounds, sound effects, or dialogue - Disabled by default type: boolean example: false negative_prompt: anyOf: - type: string - type: 'null' default: null description: |- Negative prompt describing unwanted elements **Notes:** - Multiple keywords can be separated by commas > Not required; omit this parameter unless needed. x-advanced: true example: blurry, low quality, watermark style: anyOf: - type: string - type: 'null' default: null description: |- Output style **Options:** - `anime` - `3d_animation` - `clay` - `comic` - `cyberpunk` > Not required; omit this parameter unless needed. x-advanced: true example: cyberpunk seed: anyOf: - type: integer - type: 'null' default: null description: >- Random seed **Notes:** - Same parameters with the same seed can improve result reproducibility - Random if not specified > Not required; omit this parameter unless needed. x-advanced: true example: 42 image_url: description: | Public URL of the starting image **Notes:** - Used as the first frame of the transition video - Must be a publicly accessible URL type: string example: https://example.com/mountain-start.jpg image_tail_url: anyOf: - type: string - type: 'null' default: null description: > Public URL of the ending image **Notes:** - Used as the tail-frame constraint for the transition video - If not provided, the model generates the ending based on the prompt example: https://example.com/valley-end.jpg aspect_ratio: default: '16:9' description: | Output video aspect ratio **Options:** - `16:9` - `4:3` - `1:1` - `3:4` - `9:16` - `2:3` - `3:2` - `21:9` type: string example: '16:9' generate_multi_clip: anyOf: - type: boolean - type: 'null' default: null description: >- Whether to enable multi-clip generation **Notes:** - When enabled, generates multi-segment video with dynamic camera changes > Not required; omit this parameter unless needed. x-advanced: true example: true thinking_type: anyOf: - type: string - type: 'null' default: null description: |- Prompt optimization mode **Options:** - `enabled` — Always optimize - `disabled` — No optimization - `auto` — Model decides > Not required; omit this parameter unless needed. x-advanced: true example: auto TaskResponse: type: object properties: created: type: integer description: Task creation timestamp example: 1757165031 id: type: string description: Task ID example: task-unified-1757165031-uyujaw3d model: type: string description: Actual model name used object: type: string description: Specific task type enum: - video.generation.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: type: object description: Asynchronous task information properties: can_cancel: type: boolean description: Whether the task can be cancelled example: true estimated_time: type: integer description: Estimated completion time in seconds example: 45 type: type: string description: Task output type enum: - video example: video ErrorResponse400: type: object properties: error: type: object properties: message: type: string example: Invalid request format type: type: string example: invalid_request_error ErrorResponse401: type: object properties: error: type: object properties: message: type: string example: Invalid API key type: type: string example: authentication_error ErrorResponse402: type: object properties: error: type: object properties: message: type: string example: Insufficient account balance type: type: string example: insufficient_quota ErrorResponse422: type: object properties: error: type: object properties: message: type: string example: Parameter validation failed type: type: string example: validation_error ErrorResponse429: type: object properties: error: type: object properties: message: type: string example: Rate limit exceeded type: type: string example: rate_limit_error ErrorResponse500: type: object properties: error: type: object properties: message: type: string example: Internal server error type: type: string example: server_error ErrorResponse503: type: object properties: error: type: object properties: message: type: string example: Service temporarily unavailable, please try again later type: type: string example: service_unavailable responses: TaskCreated: description: Task created successfully content: application/json: schema: $ref: '#/components/schemas/TaskResponse' BadRequest: description: Invalid request format content: application/json: schema: $ref: '#/components/schemas/ErrorResponse400' Unauthorized: description: Unauthorized content: application/json: schema: $ref: '#/components/schemas/ErrorResponse401' PaymentRequired: description: Insufficient balance content: application/json: schema: $ref: '#/components/schemas/ErrorResponse402' UnprocessableEntity: description: Parameter validation failed content: application/json: schema: $ref: '#/components/schemas/ErrorResponse422' TooManyRequests: description: Rate limit exceeded content: application/json: schema: $ref: '#/components/schemas/ErrorResponse429' InternalServerError: description: Internal server error content: application/json: schema: $ref: '#/components/schemas/ErrorResponse500' ServiceUnavailable: description: Service Unavailable content: application/json: schema: $ref: '#/components/schemas/ErrorResponse503' securitySchemes: BearerAuth: type: http scheme: bearer description: | ## All APIs require Bearer Token authentication ## Add to request header: `Authorization: Bearer YOUR_API_KEY` ````