> ## Documentation Index
> Fetch the complete documentation index at: https://docs.pollo.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Pixverse 3.5 API Documentation

> Pixverse 3.5 is the upgraded video model of Pixverse AI, which improves video quality and lets you customize more. Learn how to integrate it here.

Check out Pixverse 3.5 API pricing [here](https://api.pollo.ai/pricing?modelName=pixverse-v3-5\&modelType=video), cheaper than Fal AI.


## OpenAPI

````yaml POST /v1/generation/pixverse/pixverse-v3-5/video
openapi: 3.0.3
info:
  title: Pollo | AI Video Collection
  description: >-
    ✨RESTful API Document. Model discovery: GET /api/v1/model-specs (public,
    keyless).
  version: 1.0.0
servers:
  - url: https://pollo.ai/api/platform
security: []
externalDocs:
  url: https://pollo.ai/api/platform/api/openapi.json
paths:
  /v1/generation/pixverse/pixverse-v3-5/video:
    post:
      tags:
        - Video
      summary: pixverse-v3-5
      operationId: v1-pixverse/pixverse-v3-5/video
      parameters: []
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - input
              properties:
                input:
                  oneOf:
                    - type: object
                      properties:
                        prompt:
                          type: string
                          maxLength: 2048
                          minLength: 1
                          description: Text prompt describing the content to generate.
                        negativePrompt:
                          type: string
                          maxLength: 2048
                          description: >-
                            Text describing elements to avoid in the generated
                            output.
                        image:
                          type: string
                          description: >-
                            First-frame / reference image URL (HTTP(S); base64
                            not allowed). Supported formats: JPG/JPEG, PNG.
                            Aspect ratio must be within 1:4 to 4:1.
                        imageTail:
                          type: string
                          description: >-
                            Tail (end-frame) image URL (HTTP(S); base64 not
                            allowed). Supported formats: JPG/JPEG, PNG. Aspect
                            ratio must be within 1:4 to 4:1.
                        duration:
                          type: number
                          enum:
                            - 5
                            - 8
                          default: 5
                          description: The duration of the generated video, in seconds.
                        resolution:
                          type: string
                          enum:
                            - 360p
                            - 540p
                            - 720p
                            - 1080p
                          default: 360p
                          description: >-
                            Output resolution of the generated media (e.g. 720p,
                            1080p, 2K, 4K). Values are case-insensitive.
                        style:
                          type: string
                          enum:
                            - auto
                            - anime
                            - 3d_animation
                            - clay
                            - comic
                            - cyberpunk
                          default: auto
                          description: Visual style preset applied to the generation.
                        mode:
                          type: string
                          enum:
                            - normal
                            - fast
                          default: normal
                          description: >-
                            Generation mode of the model (e.g. a faster or
                            higher-quality tier).
                        seed:
                          type: number
                          minimum: 0
                          maximum: 2147483647
                          description: Random seed for reproducible generation.
                      required:
                        - image
                      title: Image To Video
                      description: >-
                        Constraints:

                        - 8s duration or fast mode does not support 1080p
                        resolution

                        - 8s duration and fast mode cannot be combined
                    - type: object
                      properties:
                        prompt:
                          type: string
                          maxLength: 2048
                          minLength: 1
                          description: Text prompt describing the content to generate.
                        aspectRatio:
                          type: string
                          enum:
                            - '16:9'
                            - '9:16'
                            - '1:1'
                            - '4:3'
                            - '3:4'
                          default: '16:9'
                          description: Output aspect ratio, as width:height (e.g. 16:9).
                        duration:
                          type: number
                          enum:
                            - 5
                            - 8
                          default: 5
                          description: The duration of the generated video, in seconds.
                        resolution:
                          type: string
                          enum:
                            - 360p
                            - 540p
                            - 720p
                            - 1080p
                          default: 360p
                          description: >-
                            Output resolution of the generated media (e.g. 720p,
                            1080p, 2K, 4K). Values are case-insensitive.
                        style:
                          type: string
                          enum:
                            - auto
                            - anime
                            - 3d_animation
                            - clay
                            - comic
                            - cyberpunk
                          default: auto
                          description: Visual style preset applied to the generation.
                        mode:
                          type: string
                          enum:
                            - normal
                            - fast
                          default: normal
                          description: >-
                            Generation mode of the model (e.g. a faster or
                            higher-quality tier).
                        seed:
                          type: number
                          minimum: 0
                          maximum: 2147483647
                          description: Random seed for reproducible generation.
                      required:
                        - prompt
                      title: Text To Video
                      description: >-
                        Constraints:

                        - 8s duration or fast mode does not support 1080p
                        resolution

                        - 8s duration and fast mode cannot be combined
                webhookUrl:
                  type: string
                  format: uri
                  description: >-
                    Webhook URL (HTTP(S)) that receives status callbacks when
                    the generation succeeds or fails.
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                type: object
                properties:
                  taskId:
                    type: string
                  status:
                    type: string
                    enum:
                      - waiting
                      - succeed
                      - failed
                      - processing
                required:
                  - taskId
                  - status
                additionalProperties: false
        default:
          $ref: '#/components/responses/error'
      security:
        - ApiKeyAuth: []
components:
  responses:
    error:
      description: Error response
      content:
        application/json:
          schema:
            type: object
            properties:
              message:
                type: string
              code:
                type: string
              issues:
                type: array
                items:
                  type: object
                  properties:
                    message:
                      type: string
                  required:
                    - message
                  additionalProperties: false
            required:
              - message
              - code
            additionalProperties: false
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: header
      name: x-api-key
      description: API key to authorize requests

````