> ## 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.

# Runway Gen 4 Turbo API Documentation

> Runway Gen-4 Turbo is Runway ML’s cutting-edge AI model for turning still images into dynamic animations and applying creative video effects. Ideal for professionals, it enhances video projects in creative industries. Learn how to integrate it below. 

Check out Runway Gen 4 Turbo API pricing [here](https://api.pollo.ai/pricing?modelName=runway-gen-4-turbo\&modelType=video), cheaper than Fal AI.


## OpenAPI

````yaml POST /generation/runway/runway-gen-4-turbo
openapi: 3.0.3
info:
  title: Pollo | AI Video Collection
  description: ✨RESTful API Document
  version: 1.0.0
servers:
  - url: https://pollo.ai/api/platform
security: []
externalDocs:
  url: https://pollo.ai/api/platform/api/openapi.json
paths:
  /generation/runway/runway-gen-4-turbo:
    post:
      tags:
        - generation
        - video generation
      summary: create video by text or image or reference image
      operationId: generation-runway-gen-4-turbo2video
      parameters: []
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                input:
                  type: object
                  properties:
                    image:
                      type: string
                      format: uri
                      description: >-
                        Only image URLs are accepted (HTTPS preferred); base64
                        is not allowed.
                                    Supported formats include JPG, PNG, and JPEG.
                                    Image aspect ratio must be less than 1:4 or 4:1.
                    prompt:
                      type: string
                      minLength: 1
                      maxLength: 1000
                      description: The prompt of the generation
                    length:
                      type: number
                      enum:
                        - 5
                        - 10
                      default: 5
                      description: The length of the generation
                    aspectRatio:
                      type: string
                      enum:
                        - '16:9'
                        - '9:16'
                        - '1:1'
                        - '4:3'
                        - '3:4'
                        - '21:9'
                      default: '16:9'
                    seed:
                      type: number
                      description: The seed of the generation
                  required:
                    - image
                    - prompt
                  additionalProperties: false
                webhookUrl:
                  type: string
                clientSource:
                  type: string
                  minLength: 1
                  maxLength: 100
              required:
                - input
              additionalProperties: false
      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

````