> ## Documentation Index > Fetch the complete documentation index at: https://mulerouter.ai/docs/llms.txt > Use this file to discover all available pages before exploring further. # Kling V3.0 Text to Video > Generate videos from text prompts using the Kling v3.0 model with multi-shot, audio generation, and extended duration support. ## Overview Generate videos from text prompts using the Kling V3.0 model. V3.0 introduces: * **Multi-shot video** — generate multi-scene videos in a single task via `multi_shot` and `multi_prompt` * **Audio generation** — produce synchronized audio with `sound: "on"` * **Extended duration** — 3 to 15 seconds in 1-second increments * **Standard / Professional modes** — 720P (std) or 1080P (pro) output ## OpenAPI ````yaml api-reference/endpoint/klingai/kling-v3/openapi.yaml POST /vendors/klingai/v1/kling-v3/text-to-video/generation openapi: 3.1.0 info: title: Kling v3.0 API description: >- Kling v3.0 Video Generation Model API with Multi-Shot, Sound, and Element Support license: name: MIT version: 1.0.0 servers: - url: https://api.mulerouter.ai/ security: - bearerAuth: [] paths: /vendors/klingai/v1/kling-v3/text-to-video/generation: post: summary: Text to Video Generation description: >- Generate videos from text prompts using the Kling v3.0 model with multi-shot, audio generation, and extended duration support. operationId: kling_v3_text_to_video requestBody: content: application/json: schema: $ref: '#/components/schemas/Text2VideoRequest' example: prompt: A futuristic cityscape with flying cars at sunset mode: pro aspect_ratio: '16:9' duration: 10 sound: 'on' required: true responses: '202': description: Accepted - Task created successfully content: application/json: schema: $ref: '#/components/schemas/TaskCreatedResponse' example: task_info: id: 8e1e315e-b50d-4334-a231-be7d19a372f4 status: pending created_at: '2026-02-14T00:00:00.000Z' updated_at: '2026-02-14T00:00:00.000Z' components: schemas: Text2VideoRequest: type: object additionalProperties: false properties: first_frame: anyOf: - type: string - type: 'null' description: >- First frame image (URL or Base64). Sets the opening frame of the generated video. last_frame: anyOf: - type: string - type: 'null' description: >- Last frame image (URL or Base64). Sets the closing frame of the generated video. prompt: anyOf: - type: string - type: 'null' description: > Positive text prompt. Cannot exceed 2500 characters. Required when `multi_shot` is `false` or when `shot_type` is `intelligence`. maxLength: 2500 negative_prompt: anyOf: - type: string - type: 'null' description: Negative text prompt. Cannot exceed 2500 characters. maxLength: 2500 multi_shot: type: boolean description: > Whether to generate a multi-shot video. - `true`: Enable multi-shot mode. `prompt` is ignored; use `shot_type` and `multi_prompt` instead. - `false`: Single-shot mode (default). default: false shot_type: anyOf: - type: string - type: 'null' description: | Shot segmentation method. Required when `multi_shot` is `true`. - `customize`: Custom shots, requires `multi_prompt`. - `intelligence`: AI-generated shots, requires `prompt`. enum: - customize - intelligence multi_prompt: anyOf: - type: array items: $ref: '#/components/schemas/ShotPrompt' minItems: 1 maxItems: 6 - type: 'null' description: > Shot prompt list for multi-shot videos. - Max 6 shots, min 1 shot. - Each shot prompt max 512 characters. - Each shot duration must not exceed total duration and must be >= 1. - Sum of all shot durations must equal total task duration. Required when `multi_shot` is `true` and `shot_type` is `customize`. sound: type: string description: | Generate audio simultaneously when generating videos. - `on`: Enable audio generation - `off`: Disable audio generation (silent video) default: 'off' enum: - 'on' - 'off' mode: type: string description: | Video generation mode. `std`: Standard Mode (720P), cost-effective. `pro`: Professional Mode (1080P), higher quality video output. default: std enum: - std - pro aspect_ratio: type: string description: The aspect ratio of the generated video frame (width:height). default: '16:9' enum: - '16:9' - '9:16' - '1:1' duration: type: integer description: Video length in seconds (3-15). default: 5 elements: anyOf: - type: array items: $ref: '#/components/schemas/ElementItem' minItems: 1 maxItems: 3 - type: 'null' description: | Element definitions. Max 3 elements. Provide frontal and reference images. Use `<<>>` in prompt to reference elements. TaskCreatedResponse: type: object additionalProperties: true properties: task_info: $ref: '#/components/schemas/TaskInfoCreated' ShotPrompt: type: object additionalProperties: false description: A single shot configuration for multi-shot video generation. properties: prompt: type: string description: Text prompt for this shot. Max 512 characters. maxLength: 512 duration: type: integer description: >- Duration of this shot in seconds. Must be >= 1 and <= total task duration. required: - prompt - duration ElementItem: type: object additionalProperties: false required: - type properties: type: type: string enum: - image - video description: Element type. frontal_image: anyOf: - type: string - type: 'null' description: >- Frontal reference image of the subject (URL or Base64). Constraints: jpg/jpeg/png, <=10MB, >=300px, aspect ratio 1:2.5~2.5:1. reference_images: anyOf: - type: array items: type: string minItems: 1 maxItems: 3 - type: 'null' description: >- Additional reference images from other angles (URL or Base64), up to 3 images. reference_videos: anyOf: - type: array items: type: string format: uri minItems: 1 - type: 'null' description: Reference video URLs. TaskInfoCreated: type: object additionalProperties: true properties: id: type: string format: uuid status: type: string enum: - pending created_at: type: string format: date-time updated_at: type: string format: date-time required: - id - status - created_at - updated_at securitySchemes: bearerAuth: type: http scheme: bearer ````