> ## Documentation Index > Fetch the complete documentation index at: https://docs.aitoearn.ai/llms.txt > Use this file to discover all available pages before exploring further. # Video Generation Models > Interface description: Obtain the video generation model and parameter range available for the current account, including model name, resolution, screen ratio, duration and price information, to be used to generate the video interface to complete parameter selection and request parameter verification. ## OpenAPI ````yaml /openapi/en/aitoearn.openapi.json get /api/ai/models/video/generation openapi: 3.0.1 info: title: AiToEarn Open Platform API description: >- AiToEarn Open Platform API. You can switch between the China and international sites for testing. Business success is determined by whether the response body has code === 0. version: 1.0.0 contact: {} servers: - url: https://aitoearn.cn description: China site - url: https://aitoearn.ai description: International site security: [] tags: - name: AI Services - name: AI Services/Video Generation - name: AI Services/Image Generation - name: Channel Management - name: Channel Management/Accounts - name: Channel Management/Publishing - name: Channel Management/Platforms - name: Channel Management/Works - name: Channel Management/Account Groups - name: Channel Management/Authorization - name: Asset Management - name: AI Services/Large Language Models paths: /api/ai/models/video/generation: get: tags: - AI Services/Video Generation summary: Video Generation Models description: >- Interface description: Obtain the video generation model and parameter range available for the current account, including model name, resolution, screen ratio, duration and price information, to be used to generate the video interface to complete parameter selection and request parameter verification. operationId: VideoController_getVideoGenerationModels parameters: [] responses: '200': description: >- The request has been processed by the service. Business success is determined by whether the response body has code === 0. content: application/json: schema: type: object properties: data: type: array items: type: object properties: name: type: string description: Model name description: type: string description: Model description summary: type: string description: Model summary tags: default: [] type: array items: type: string description: list mainTag: type: string description: main tags creditsScope: default: general type: string enum: - general - sale description: Points range modes: type: array items: type: string enum: - text2video - image2video - flf2video - lf2video - multi-image2video - multi-ref - video2video description: Supported mode list resolutions: type: array items: type: string description: Supported sizes durations: type: array items: type: number description: Support duration maxInputImages: type: number description: Maximum number of input images inputConstraints: type: object properties: images: description: Image input constraints type: object properties: maxCount: description: Maximum number of inputs type: number formats: description: Supported file formats type: array items: type: string minDuration: description: Minimum duration (seconds) type: number maxDuration: description: Maximum duration of a single file (seconds) type: number maxTotalDuration: description: Total maximum duration (seconds) type: number maxSizeMb: description: Maximum size of a single file (MB) type: number minAspectRatio: description: minimum aspect ratio type: number maxAspectRatio: description: Maximum aspect ratio type: number minWidth: description: minimum width type: number maxWidth: description: maximum width type: number minPixels: description: Minimum number of pixels type: number maxPixels: description: Maximum number of pixels type: number minFps: description: Minimum frame rate type: number maxFps: description: Max frame rate type: number additionalProperties: false videos: description: Video input constraints type: object properties: maxCount: description: Maximum number of inputs type: number formats: description: Supported file formats type: array items: type: string minDuration: description: Minimum duration (seconds) type: number maxDuration: description: Maximum duration of a single file (seconds) type: number maxTotalDuration: description: Total maximum duration (seconds) type: number maxSizeMb: description: Maximum size of a single file (MB) type: number minAspectRatio: description: minimum aspect ratio type: number maxAspectRatio: description: Maximum aspect ratio type: number minWidth: description: minimum width type: number maxWidth: description: maximum width type: number minPixels: description: Minimum number of pixels type: number maxPixels: description: Maximum number of pixels type: number minFps: description: Minimum frame rate type: number maxFps: description: Max frame rate type: number additionalProperties: false audios: description: Audio input constraints type: object properties: maxCount: description: Maximum number of inputs type: number formats: description: Supported file formats type: array items: type: string minDuration: description: Minimum duration (seconds) type: number maxDuration: description: Maximum duration of a single file (seconds) type: number maxTotalDuration: description: Total maximum duration (seconds) type: number maxSizeMb: description: Maximum size of a single file (MB) type: number minAspectRatio: description: minimum aspect ratio type: number maxAspectRatio: description: Maximum aspect ratio type: number minWidth: description: minimum width type: number maxWidth: description: maximum width type: number minPixels: description: Minimum number of pixels type: number maxPixels: description: Maximum number of pixels type: number minFps: description: Minimum frame rate type: number maxFps: description: Max frame rate type: number additionalProperties: false additionalProperties: false description: Multimodal input constraints aspectRatios: type: array items: type: string description: List of supported aspect ratios defaults: type: object properties: resolution: type: string aspectRatio: type: string duration: type: number additionalProperties: false description: default value pricing: type: array items: type: object properties: resolution: type: string aspectRatio: type: string mode: type: string duration: type: number price: type: number discount: type: string originPrice: type: number required: - price additionalProperties: false description: price list required: - name - description - tags - creditsScope - modes - resolutions - durations - maxInputImages - aspectRatios - defaults - pricing code: type: integer description: >- Business status code. 0 means success; non-zero means a business error. message: type: string description: Response message. requestId: type: string description: Request ID. timestamp: type: integer description: Error response timestamp in Unix milliseconds. required: - code - message examples: success: summary: Success value: code: 0 message: Request succeeded data: - name: string description: string tags: [] creditsScope: general modes: - text2video resolutions: - string durations: - 1 maxInputImages: 1 aspectRatios: - string defaults: resolution: string aspectRatio: string duration: 1 pricing: - price: 1 resolution: string aspectRatio: string mode: string duration: 1 discount: string originPrice: 1 summary: string deprecated: false security: [] ````