> ## Documentation Index > Fetch the complete documentation index at: https://docs.vidgo.ai/llms.txt > Use this file to discover all available pages before exploring further. # Seedance 1.5 Pro Image to Video > Animate reference images with Seedance 1.5 Pro, with optional generated audio and fixed-camera control at up to 1080p. 1. Submit the request with `VIDGO_API_KEY`. A `task_id` is returned immediately. Keep it until the task reaches `finished` or `failed`. 2. Use [Query Task Status](/api-manual/task-management/status) to retrieve the result. If you provide a `callback_url`, Vidgo sends the result to your [webhook](/api-manual/task-management/webhooks) when the task finishes or fails. # Seedance 1.5 Pro Image to Video Animate reference images with Seedance 1.5 Pro, with optional generated audio and fixed-camera control at up to 1080p. ## Available Models * **bytedance/seedance-v1.5-pro/image-to-video** - Generate video from image input. ## Duration Options * **4, 8, 12 seconds** - Set `duration` as an integer. Required. ## Key Features * Generate video from image input. * Accepts 1-2 images in `image_urls`. * Choose from `480p`, `720p`, `1080p` output resolutions. ## Advanced Parameters Set `model` and optional `callback_url` at the request root. Place all workflow parameters, including output options, inside `input`. ### Prompt * `prompt`: Required. Describe the scene and desired motion. Length: **3-2,500 characters**. * Surrounding whitespace is trimmed before counting Unicode characters. ### Image URLs * `image_urls`: Required. Supply 1–2 publicly accessible HTTP(S) image URLs. The first image is the first frame; the optional second image is the last frame. * Use JPEG, PNG or WebP images, up to **10 MB per image**. ### Aspect Ratio * `aspect_ratio`: Required. Accepted values: `1:1`, `21:9`, `4:3`, `3:4`, `16:9`, `9:16`. ### Resolution * `resolution`: Optional. Accepted values: `480p`, `720p`, `1080p`. Vidgo defaults to `720p` when omitted. ### Fixed Lens * `fixed_lens`: Optional. Control fixed-camera generation. Use `true` or `false`. ### Generate Audio * `generate_audio`: Optional. Set `true` to generate synchronized audio or `false` for a silent video. Vidgo defaults to `true` when omitted. ## OpenAPI ````yaml api-manual/video-series/bytedance-seedance-v1-5-pro-image-to-video.json POST /api/generate/submit openapi: 3.0.0 info: title: Vidgo API - Seedance 1.5 Pro Image to Video description: >- Animate reference images with Seedance 1.5 Pro, with optional generated audio and fixed-camera control at up to 1080p. version: 1.0.0 servers: - url: https://api.vidgo.ai security: - BearerAuth: [] paths: /api/generate/submit: post: tags: - Video Series summary: Seedance 1.5 Pro Image to Video description: >- Submit a Seedance 1.5 Pro image-to-video task. Set model and optional callback_url at the request root and generation parameters inside input. operationId: submit_bytedance_seedance_v1_5_pro_image_to_video requestBody: required: true content: application/json: schema: type: object required: - model - input additionalProperties: true properties: model: type: string example: bytedance/seedance-v1.5-pro/image-to-video input: type: object required: - aspect_ratio - duration - image_urls - prompt properties: prompt: type: string minLength: 3 maxLength: 2500 description: >- Describe the scene, subject actions, camera movement and sound. Supply 3–2,500 Unicode characters after trimming surrounding whitespace. image_urls: type: array items: type: string format: uri description: Public HTTP(S) URL of a JPEG, PNG or WebP image. maxItems: 2 minItems: 1 description: >- Supply 1–2 publicly accessible HTTP(S) image URLs in order: first frame, then optional last frame. Use JPEG, PNG or WebP images, up to 10 MB each. aspect_ratio: type: string enum: - '1:1' - '21:9' - '4:3' - '3:4' - '16:9' - '9:16' description: >- Output frame aspect ratio: 1:1, 21:9, 4:3, 3:4, 16:9 or 9:16. resolution: type: string enum: - 480p - 720p - 1080p description: >- Output resolution: 480p, 720p or 1080p. Vidgo defaults to 720p when omitted. default: 720p duration: type: integer enum: - 4 - 8 - 12 description: >- Video duration in seconds. Supply the integer 4, 8 or 12. fixed_lens: type: boolean description: >- Set true to keep the camera fixed, or false to allow camera movement. generate_audio: type: boolean description: >- Set true to generate synchronized audio, or false to generate a silent video. Vidgo defaults to true when omitted. default: true additionalProperties: false callback_url: type: string nullable: true description: >- Optional public HTTP(S) URL for task completion notifications. Use HTTPS to receive finished or failed task results. description: >- Set model and optional callback_url at the request root. Place generation parameters inside input. examples: basic: summary: Basic workflow value: model: bytedance/seedance-v1.5-pro/image-to-video input: aspect_ratio: '1:1' duration: 4 generate_audio: false image_urls: - https://example.com/image.png prompt: >- A quiet forest under soft morning light, with natural detail. resolution: 480p callback: summary: Receive a completion callback value: model: bytedance/seedance-v1.5-pro/image-to-video input: aspect_ratio: '1:1' duration: 4 generate_audio: false image_urls: - https://example.com/image.png prompt: >- A quiet forest under soft morning light, with natural detail. resolution: 480p callback_url: https://your-domain.com/callback responses: '200': description: Task submitted content: application/json: schema: type: object required: - code - data properties: code: type: integer enum: - 200 data: type: object required: - task_id - status - created_time properties: task_id: type: string status: type: string enum: - not_started - running - finished - failed created_time: type: string format: date-time example: code: 200 data: task_id: task-unified-example status: running created_time: '2026-09-10T08:00:00' '400': description: Request validation or account balance error content: application/json: schema: type: object required: - detail properties: detail: oneOf: - type: string - type: object additionalProperties: true - type: array items: {} '401': description: Invalid credentials content: application/json: schema: type: object required: - detail properties: detail: oneOf: - type: string - type: object additionalProperties: true - type: array items: {} '403': description: Access denied content: application/json: schema: type: object required: - detail properties: detail: oneOf: - type: string - type: object additionalProperties: true - type: array items: {} '404': description: Unknown or disabled model content: application/json: schema: type: object required: - detail properties: detail: oneOf: - type: string - type: object additionalProperties: true - type: array items: {} '408': description: Request timed out content: text/plain: schema: type: string example: Request timeout '422': description: Invalid JSON or non-object request body content: application/json: schema: type: object required: - detail properties: detail: oneOf: - type: string - type: object additionalProperties: true - type: array items: {} '429': description: Rate or API key credit limit exceeded content: application/json: schema: type: object required: - detail properties: detail: oneOf: - type: string - type: object additionalProperties: true - type: array items: {} '500': description: Internal error content: application/json: schema: type: object required: - detail properties: detail: oneOf: - type: string - type: object additionalProperties: true - type: array items: {} '502': description: Generation service request failed content: application/json: schema: type: object required: - detail properties: detail: oneOf: - type: string - type: object additionalProperties: true - type: array items: {} '503': description: Generation service temporarily unavailable content: application/json: schema: type: object required: - detail properties: detail: oneOf: - type: string - type: object additionalProperties: true - type: array items: {} components: securitySchemes: BearerAuth: type: http scheme: bearer description: Use VIDGO_API_KEY. ````