openapi: 3.1.0
info:
  title: Amazon DynamoDB Batch Transactions API
  description: Amazon DynamoDB is a fully managed NoSQL database service that provides fast and predictable performance with seamless scalability. This API enables you to create and manage tables, perform CRUD operations on items, execute queries and scans, and run batch and transactional operations using JSON-based requests.
  version: '2012-08-10'
  contact:
    name: Amazon Web Services
    url: https://aws.amazon.com/contact-us/
  termsOfService: https://aws.amazon.com/service-terms/
servers:
- url: https://dynamodb.{region}.amazonaws.com
  description: Amazon DynamoDB Regional Endpoint
  variables:
    region:
      default: us-east-1
      description: AWS Region
security:
- sigv4Auth: []
tags:
- name: Transactions
  description: Operations for transactional reads and writes across multiple items
paths:
  /#TransactGetItems:
    post:
      operationId: transactGetItems
      summary: Amazon DynamoDB Get Items in a Transaction
      description: A synchronous operation that atomically retrieves multiple items from one or more DynamoDB tables. TransactGetItems is a synchronous read operation that groups up to 100 Get actions together.
      tags:
      - Transactions
      parameters:
      - $ref: '#/components/parameters/XAmzTarget'
      requestBody:
        required: true
        content:
          application/x-amz-json-1.0:
            schema:
              $ref: '#/components/schemas/TransactGetItemsInput'
            examples:
              transactGetItemsRequestExample:
                summary: Default transactGetItems request
                x-microcks-default: true
                value:
                  TransactItems:
                  - Get:
                      TableName: example
                      Key: example
                      ProjectionExpression: example
      responses:
        '200':
          description: Successfully retrieved items in transaction
          content:
            application/x-amz-json-1.0:
              schema:
                $ref: '#/components/schemas/TransactGetItemsOutput'
              examples:
                transactGetItems200Example:
                  summary: Default transactGetItems 200 response
                  x-microcks-default: true
                  value:
                    Responses:
                    - Item: {}
        '400':
          description: Invalid request parameters
        '409':
          description: Transaction conflict
      x-amz-target: DynamoDB_20120810.TransactGetItems
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
  /#TransactWriteItems:
    post:
      operationId: transactWriteItems
      summary: Amazon DynamoDB Write Items in a Transaction
      description: A synchronous write operation that groups up to 100 action requests. These actions can target up to 100 distinct items in one or more DynamoDB tables within the same AWS account and Region. The actions are completed atomically.
      tags:
      - Transactions
      parameters:
      - $ref: '#/components/parameters/XAmzTarget'
      requestBody:
        required: true
        content:
          application/x-amz-json-1.0:
            schema:
              $ref: '#/components/schemas/TransactWriteItemsInput'
            examples:
              transactWriteItemsRequestExample:
                summary: Default transactWriteItems request
                x-microcks-default: true
                value:
                  TransactItems:
                  - ConditionCheck: {}
                    Put: {}
                    Delete: {}
                  ClientRequestToken: example-string
      responses:
        '200':
          description: Successfully wrote items in transaction
          content:
            application/x-amz-json-1.0:
              schema:
                $ref: '#/components/schemas/TransactWriteItemsOutput'
              examples:
                transactWriteItems200Example:
                  summary: Default transactWriteItems 200 response
                  x-microcks-default: true
                  value:
                    ItemCollectionMetrics: {}
        '400':
          description: Invalid request parameters
        '409':
          description: Transaction conflict or conditional check failed
      x-amz-target: DynamoDB_20120810.TransactWriteItems
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
components:
  parameters:
    XAmzTarget:
      name: X-Amz-Target
      in: header
      required: true
      description: The target DynamoDB operation, in the format DynamoDB_20120810.OperationName
      schema:
        type: string
        pattern: ^DynamoDB_20120810\.\w+$
  schemas:
    TransactGetItemsOutput:
      type: object
      properties:
        Responses:
          type: array
          description: An ordered array of up to 100 ItemResponse objects
          items:
            type: object
            properties:
              Item:
                type: object
                additionalProperties:
                  $ref: '#/components/schemas/AttributeValue'
          example:
          - Item: {}
    TransactGetItemsInput:
      type: object
      required:
      - TransactItems
      properties:
        TransactItems:
          type: array
          description: An ordered array of up to 100 TransactGetItem objects
          items:
            type: object
            properties:
              Get:
                type: object
                required:
                - TableName
                - Key
                properties:
                  TableName:
                    type: string
                  Key:
                    type: object
                    additionalProperties:
                      $ref: '#/components/schemas/AttributeValue'
                  ProjectionExpression:
                    type: string
                  ExpressionAttributeNames:
                    type: object
                    additionalProperties:
                      type: string
          maxItems: 100
          example:
          - Get:
              TableName: example
              Key: example
              ProjectionExpression: example
    TransactWriteItemsInput:
      type: object
      required:
      - TransactItems
      properties:
        TransactItems:
          type: array
          description: An ordered array of up to 100 TransactWriteItem objects
          items:
            type: object
            properties:
              ConditionCheck:
                type: object
                description: A request to perform a check item operation
              Put:
                type: object
                description: A request to perform a PutItem operation
              Delete:
                type: object
                description: A request to perform a DeleteItem operation
              Update:
                type: object
                description: A request to perform an UpdateItem operation
          maxItems: 100
          example:
          - ConditionCheck: {}
            Put: {}
            Delete: {}
        ClientRequestToken:
          type: string
          description: A unique identifier for the client request to ensure idempotency
          minLength: 1
          maxLength: 36
          example: example-string
    TransactWriteItemsOutput:
      type: object
      properties:
        ItemCollectionMetrics:
          type: object
          description: A list of tables affected by the TransactWriteItems call
          example: {}
    AttributeValue:
      type: object
      description: Represents the data for an attribute. Each attribute value is described as a name-value pair with the data type as the name.
      properties:
        S:
          type: string
          description: String attribute value
          example: example-string
        N:
          type: string
          description: Number attribute value (sent as string)
          example: example-string
        B:
          type: string
          format: byte
          description: Binary attribute value (Base64-encoded)
          example: example-string
        SS:
          type: array
          description: String set attribute value
          items:
            type: string
          example:
          - example-string
        NS:
          type: array
          description: Number set attribute value
          items:
            type: string
          example:
          - example-string
        BS:
          type: array
          description: Binary set attribute value
          items:
            type: string
            format: byte
          example:
          - example-string
        M:
          type: object
          description: Map attribute value
          additionalProperties:
            $ref: '#/components/schemas/AttributeValue'
          example: {}
        L:
          type: array
          description: List attribute value
          items:
            $ref: '#/components/schemas/AttributeValue'
          example:
          - example-string
        'NULL':
          type: boolean
          description: Null attribute value
          example: true
        BOOL:
          type: boolean
          description: Boolean attribute value
          example: true
  securitySchemes:
    sigv4Auth:
      type: http
      scheme: bearer
      description: AWS Signature Version 4 authentication
externalDocs:
  description: Amazon DynamoDB API Reference
  url: https://docs.aws.amazon.com/amazondynamodb/latest/APIReference/