> ## 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 3 Turbo API Documentation

> Runway Gen 3 Turbo is Runway ML’s professional AI video model for animating still images and applying diverse video effects, widely used in creative industries. Learn how to integrate it below.

Check out Runway Gen 3 Turbo API pricing [here](https://api.pollo.ai/pricing?modelName=runway\&modelType=video), cheaper than Fal AI.


## OpenAPI

````yaml POST /v1/generation/runway/runway-gen-3-turbo/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/runway/runway-gen-3-turbo/video:
    post:
      tags:
        - Video
      summary: runway-gen-3-turbo
      operationId: v1-runway/runway-gen-3-turbo/video
      parameters: []
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - input
              properties:
                input:
                  type: object
                  properties:
                    prompt:
                      type: string
                      maxLength: 1000
                      minLength: 1
                      description: Text prompt describing the content to generate.
                    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
                        - 10
                      default: 5
                      description: The duration of the generated video, in seconds.
                    aspectRatio:
                      type: string
                      enum:
                        - '5:3'
                        - '3:5'
                      default: '5:3'
                      description: Output aspect ratio, as width:height (e.g. 16:9).
                    seed:
                      type: number
                      minimum: 0
                      maximum: 2147483647
                      description: Random seed for reproducible generation.
                  required:
                    - prompt
                    - image
                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

````