Amazon Nova

Amazon Nova Async API

Asynchronous invocation for long-running Amazon Nova generation jobs, principally Amazon Nova Reel video generation. StartAsyncInvoke returns an invocationArn, GetAsyncInvoke polls it, and output media is written to a caller-owned Amazon S3 bucket. clientRequestToken carries the only idempotency contract in the Amazon Nova surface.

Documentation GitHub OpenAPI

Operations 2

POST /async-invoke Start an asynchronous Nova invocation #

GET /async-invoke/{invocationArn} Get async invocation status #

Specifications

⚙

OpenAPI

https://raw.githubusercontent.com/api-evangelist/amazon-nova/refs/heads/main/openapi/amazon-nova-async-api-openapi.yml

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OpenAPI Specification

openapi: 3.2.0
info:
  title: Amazon Nova on Amazon Bedrock Runtime Async API
  version: '2023-09-30'
  description: 'Invoke Amazon Nova foundation models (Premier, Pro, Lite, Micro, Canvas,

    Reel, Sonic) through the Amazon Bedrock Runtime API. Supports

    request/response and streaming inference using the Converse and

    InvokeModel families of operations, plus asynchronous invocation for

    long-running tasks like Nova Reel video generation.

    All requests are signed with AWS Signature Version 4 (SigV4).

    '
  contact:
    name: Amazon Web Services
    url: https://docs.aws.amazon.com/nova/latest/userguide/what-is-nova.html
servers:
- url: https://bedrock-runtime.{region}.amazonaws.com
  description: Bedrock Runtime regional endpoint
  variables:
    region:
      default: us-east-1
      description: AWS region identifier supporting the desired Nova model.
security:
- SigV4: []
tags:
- name: Async
  description: Asynchronous invocation for long-running generation jobs.
paths:
  /async-invoke:
    post:
      tags:
      - Async
      summary: Start an asynchronous Nova invocation
      description: Used for Nova Reel and other long-running generations.
      operationId: startAsyncInvoke
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                modelId:
                  type: string
                modelInput:
                  type: object
                outputDataConfig:
                  type: object
      responses:
        '200':
          description: Invocation ARN.
  /async-invoke/{invocationArn}:
    parameters:
    - in: path
      name: invocationArn
      required: true
      schema:
        type: string
    get:
      tags:
      - Async
      summary: Get async invocation status
      operationId: getAsyncInvoke
      responses:
        '200':
          description: Invocation status.
components:
  securitySchemes:
    SigV4:
      type: apiKey
      in: header
      name: Authorization
      description: AWS Signature Version 4 signed request.