Amazon SQS Messages API

openapi: 3.1.0
info:
  title: Amazon SQS Amazon Simple Queue Service (SQS) Messages API
  description: 'Amazon Simple Queue Service (SQS) is a fully managed message queuing service that enables you to decouple and scale microservices, distributed systems, and serverless applications. SQS eliminates the complexity and overhead associated with managing and operating message-oriented middleware, and empowers developers to focus on differentiating work. Using SQS, you can send, store, and receive messages between software components at any volume, without losing messages or requiring other services to be available. SQS offers two types of message queues: Standard queues offer maximum throughput, best-effort ordering, and at-least-once delivery. FIFO queues are designed to guarantee that messages are processed exactly once, in the exact order that they are sent.'
  version: '2012-11-05'
  contact:
    name: AWS Support
    url: https://aws.amazon.com/contact-us/
  license:
    name: Apache 2.0
    url: https://www.apache.org/licenses/LICENSE-2.0
  x-logo:
    url: https://a0.awsstatic.com/libra-css/images/logos/aws_logo_smile_1200x630.png
servers:
- url: https://sqs.{region}.amazonaws.com
  description: Amazon SQS Regional Endpoint
  variables:
    region:
      default: us-east-1
      description: The AWS region
      enum:
      - us-east-1
      - us-east-2
      - us-west-1
      - us-west-2
      - af-south-1
      - ap-east-1
      - ap-south-1
      - ap-south-2
      - ap-southeast-1
      - ap-southeast-2
      - ap-southeast-3
      - ap-northeast-1
      - ap-northeast-2
      - ap-northeast-3
      - ca-central-1
      - eu-central-1
      - eu-central-2
      - eu-west-1
      - eu-west-2
      - eu-west-3
      - eu-south-1
      - eu-south-2
      - eu-north-1
      - me-south-1
      - me-central-1
      - sa-east-1
security:
- aws_sig_v4: []
tags:
- name: Messages
  description: Operations for sending, receiving, and deleting messages in SQS queues
paths:
  /{accountId}/{queueName}:
    parameters:
    - $ref: '#/components/parameters/AccountId'
    - $ref: '#/components/parameters/QueueName'
    get:
      operationId: ReceiveMessage
      summary: Amazon Sqs Receive Messages From a Queue
      description: Retrieves one or more messages (up to 10) from the specified queue. Using the WaitTimeSeconds parameter enables long-poll support. Short poll is the default behavior where a weighted random set of machines is sampled on a ReceiveMessage call. Long polling reduces the number of empty responses and false empty responses.
      tags:
      - Messages
      parameters:
      - name: Action
        in: query
        required: true
        schema:
          type: string
          enum:
          - ReceiveMessage
      - name: MaxNumberOfMessages
        in: query
        description: The maximum number of messages to return. Amazon SQS never returns more messages than this value. Valid values are 1 to 10. Default is 1.
        schema:
          type: integer
          minimum: 1
          maximum: 10
          default: 1
      - name: VisibilityTimeout
        in: query
        description: The duration (in seconds) that the received messages are hidden from subsequent retrieve requests after being retrieved by a ReceiveMessage request.
        schema:
          type: integer
          minimum: 0
          maximum: 43200
      - name: WaitTimeSeconds
        in: query
        description: The duration (in seconds) for which the call waits for a message to arrive in the queue before returning. If a message is available, the call returns sooner than WaitTimeSeconds.
        schema:
          type: integer
          minimum: 0
          maximum: 20
      - name: AttributeName.1
        in: query
        description: A list of attributes that need to be returned along with each message.
        schema:
          type: string
          enum:
          - All
          - SenderId
          - SentTimestamp
          - ApproximateReceiveCount
          - ApproximateFirstReceiveTimestamp
          - SequenceNumber
          - MessageDeduplicationId
          - MessageGroupId
      - name: MessageAttributeName.1
        in: query
        description: The name of the message attribute to include. Use All or .* to return all message attributes.
        schema:
          type: string
      - name: MessageSystemAttributeName.1
        in: query
        description: The name of the message system attribute to include.
        schema:
          type: string
          enum:
          - All
          - SenderId
          - SentTimestamp
          - ApproximateReceiveCount
          - ApproximateFirstReceiveTimestamp
          - SequenceNumber
          - MessageDeduplicationId
          - MessageGroupId
          - AWSTraceHeader
      - name: ReceiveRequestAttemptId
        in: query
        description: Used for FIFO queues. The token used for deduplication of ReceiveMessage calls.
        schema:
          type: string
      responses:
        '200':
          description: Messages retrieved successfully
          content:
            application/xml:
              schema:
                $ref: '#/components/schemas/ReceiveMessageResponse'
            application/json:
              schema:
                $ref: '#/components/schemas/ReceiveMessageResponse'
        '400':
          description: Bad request
          content:
            application/xml:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
    post:
      operationId: SendMessage
      summary: Amazon Sqs Send a Message to a Queue
      description: Delivers a message to the specified queue. A message can include only XML, JSON, and unformatted text. The following Unicode characters are allowed. The maximum message size is 256 KiB.
      tags:
      - Messages
      requestBody:
        required: true
        content:
          application/x-www-form-urlencoded:
            schema:
              type: object
              required:
              - Action
              - MessageBody
              properties:
                Action:
                  type: string
                  enum:
                  - SendMessage
                MessageBody:
                  type: string
                  description: The message to send. The minimum size is one character. The maximum size is 256 KiB.
                  maxLength: 262144
                DelaySeconds:
                  type: integer
                  description: The length of time, in seconds, for which to delay a specific message. Valid values are 0 to 900.
                  minimum: 0
                  maximum: 900
                MessageAttribute.1.Name:
                  type: string
                  description: The name of the first message attribute
                MessageAttribute.1.Value.StringValue:
                  type: string
                  description: The string value of the first message attribute
                MessageAttribute.1.Value.DataType:
                  type: string
                  description: The data type of the first message attribute (String, Number, or Binary)
                MessageDeduplicationId:
                  type: string
                  description: The token used for deduplication of sent messages. Required for FIFO queues. Each message must have a unique MessageDeduplicationId.
                MessageGroupId:
                  type: string
                  description: The tag that specifies that a message belongs to a specific message group. Required for FIFO queues.
                MessageSystemAttribute.1.Name:
                  type: string
                  description: The name of a system message attribute
                  enum:
                  - AWSTraceHeader
                MessageSystemAttribute.1.Value.StringValue:
                  type: string
                  description: The string value of a system message attribute
                MessageSystemAttribute.1.Value.DataType:
                  type: string
                  description: The data type of a system message attribute
      responses:
        '200':
          description: Message sent successfully
          content:
            application/xml:
              schema:
                $ref: '#/components/schemas/SendMessageResponse'
            application/json:
              schema:
                $ref: '#/components/schemas/SendMessageResponse'
        '400':
          description: Bad request
          content:
            application/xml:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
  /{accountId}/{queueName}/delete-message:
    parameters:
    - $ref: '#/components/parameters/AccountId'
    - $ref: '#/components/parameters/QueueName'
    post:
      operationId: DeleteMessage
      summary: Amazon Sqs Delete a Message From a Queue
      description: Deletes the specified message from the specified queue. To select the message to delete, use the ReceiptHandle of the message (not the MessageId which you receive when you send the message). Amazon SQS can delete a message from a queue even if a visibility timeout setting causes the message to be locked by another consumer.
      tags:
      - Messages
      requestBody:
        required: true
        content:
          application/x-www-form-urlencoded:
            schema:
              type: object
              required:
              - Action
              - ReceiptHandle
              properties:
                Action:
                  type: string
                  enum:
                  - DeleteMessage
                ReceiptHandle:
                  type: string
                  description: The receipt handle associated with the message to delete. This is returned by the ReceiveMessage action.
      responses:
        '200':
          description: Message deleted successfully
          content:
            application/xml:
              schema:
                $ref: '#/components/schemas/GenericResponse'
        '400':
          description: Bad request - invalid receipt handle
          content:
            application/xml:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
  /{accountId}/{queueName}/send-message-batch:
    parameters:
    - $ref: '#/components/parameters/AccountId'
    - $ref: '#/components/parameters/QueueName'
    post:
      operationId: SendMessageBatch
      summary: Amazon Sqs Send up to 10 Messages to a Queue in a Single Request
      description: Delivers up to ten messages to the specified queue. This is a batch version of SendMessage. For a FIFO queue, multiple messages within a single batch are enqueued in the order they are sent. The maximum allowed individual message size and the maximum total payload size (the sum of the individual lengths of all of the batched messages) are both 256 KiB.
      tags:
      - Messages
      requestBody:
        required: true
        content:
          application/x-www-form-urlencoded:
            schema:
              type: object
              required:
              - Action
              - SendMessageBatchRequestEntry.1.Id
              - SendMessageBatchRequestEntry.1.MessageBody
              properties:
                Action:
                  type: string
                  enum:
                  - SendMessageBatch
                SendMessageBatchRequestEntry.1.Id:
                  type: string
                  description: An identifier for a message in this batch used to communicate the result.
                SendMessageBatchRequestEntry.1.MessageBody:
                  type: string
                  description: The body of the message
                SendMessageBatchRequestEntry.1.DelaySeconds:
                  type: integer
                  description: Delay in seconds for this message
                SendMessageBatchRequestEntry.1.MessageDeduplicationId:
                  type: string
                  description: Deduplication ID for FIFO queues
                SendMessageBatchRequestEntry.1.MessageGroupId:
                  type: string
                  description: Group ID for FIFO queues
      responses:
        '200':
          description: Batch send completed
          content:
            application/xml:
              schema:
                $ref: '#/components/schemas/SendMessageBatchResponse'
            application/json:
              schema:
                $ref: '#/components/schemas/SendMessageBatchResponse'
        '400':
          description: Bad request
          content:
            application/xml:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
  /{accountId}/{queueName}/delete-message-batch:
    parameters:
    - $ref: '#/components/parameters/AccountId'
    - $ref: '#/components/parameters/QueueName'
    post:
      operationId: DeleteMessageBatch
      summary: Amazon Sqs Delete up to 10 Messages From a Queue in a Single Request
      description: Deletes up to ten messages from the specified queue. This is a batch version of DeleteMessage. The result of the action on each message is reported individually in the response.
      tags:
      - Messages
      requestBody:
        required: true
        content:
          application/x-www-form-urlencoded:
            schema:
              type: object
              required:
              - Action
              - DeleteMessageBatchRequestEntry.1.Id
              - DeleteMessageBatchRequestEntry.1.ReceiptHandle
              properties:
                Action:
                  type: string
                  enum:
                  - DeleteMessageBatch
                DeleteMessageBatchRequestEntry.1.Id:
                  type: string
                  description: An identifier for this particular receipt handle
                DeleteMessageBatchRequestEntry.1.ReceiptHandle:
                  type: string
                  description: A receipt handle
      responses:
        '200':
          description: Batch delete completed
          content:
            application/xml:
              schema:
                $ref: '#/components/schemas/DeleteMessageBatchResponse'
        '400':
          description: Bad request
          content:
            application/xml:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
  /{accountId}/{queueName}/change-message-visibility:
    parameters:
    - $ref: '#/components/parameters/AccountId'
    - $ref: '#/components/parameters/QueueName'
    post:
      operationId: ChangeMessageVisibility
      summary: Amazon Sqs Change the Visibility Timeout of a Message
      description: Changes the visibility timeout of a specified message in a queue to a new value. The default visibility timeout for a message is 30 seconds. The minimum is 0 seconds. The maximum is 12 hours.
      tags:
      - Messages
      requestBody:
        required: true
        content:
          application/x-www-form-urlencoded:
            schema:
              type: object
              required:
              - Action
              - ReceiptHandle
              - VisibilityTimeout
              properties:
                Action:
                  type: string
                  enum:
                  - ChangeMessageVisibility
                ReceiptHandle:
                  type: string
                  description: The receipt handle associated with the message whose visibility timeout is changed.
                VisibilityTimeout:
                  type: integer
                  description: The new value for the message's visibility timeout (in seconds). Values range from 0 to 43200.
                  minimum: 0
                  maximum: 43200
      responses:
        '200':
          description: Visibility timeout changed successfully
          content:
            application/xml:
              schema:
                $ref: '#/components/schemas/GenericResponse'
        '400':
          description: Bad request
          content:
            application/xml:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
  /{accountId}/{queueName}/change-message-visibility-batch:
    parameters:
    - $ref: '#/components/parameters/AccountId'
    - $ref: '#/components/parameters/QueueName'
    post:
      operationId: ChangeMessageVisibilityBatch
      summary: Amazon Sqs Change the Visibility Timeout of Multiple Messages
      description: Changes the visibility timeout of multiple messages. This is a batch version of ChangeMessageVisibility. The result of each action is reported individually in the response. Up to 10 messages can be changed per request.
      tags:
      - Messages
      requestBody:
        required: true
        content:
          application/x-www-form-urlencoded:
            schema:
              type: object
              required:
              - Action
              - ChangeMessageVisibilityBatchRequestEntry.1.Id
              - ChangeMessageVisibilityBatchRequestEntry.1.ReceiptHandle
              - ChangeMessageVisibilityBatchRequestEntry.1.VisibilityTimeout
              properties:
                Action:
                  type: string
                  enum:
                  - ChangeMessageVisibilityBatch
                ChangeMessageVisibilityBatchRequestEntry.1.Id:
                  type: string
                  description: An identifier for this particular receipt handle
                ChangeMessageVisibilityBatchRequestEntry.1.ReceiptHandle:
                  type: string
                  description: A receipt handle
                ChangeMessageVisibilityBatchRequestEntry.1.VisibilityTimeout:
                  type: integer
                  description: The new value for the message's visibility timeout
                  minimum: 0
                  maximum: 43200
      responses:
        '200':
          description: Batch visibility change completed
          content:
            application/xml:
              schema:
                $ref: '#/components/schemas/ChangeMessageVisibilityBatchResponse'
        '400':
          description: Bad request
          content:
            application/xml:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
  /{accountId}/{queueName}/start-message-move-task:
    parameters:
    - $ref: '#/components/parameters/AccountId'
    - $ref: '#/components/parameters/QueueName'
    post:
      operationId: StartMessageMoveTask
      summary: Amazon Sqs Start an Asynchronous Task to Move Messages
      description: Starts an asynchronous task to move messages from a specified source queue to a specified destination queue. This action is currently limited to supporting message redrive from queues that are configured as dead-letter queues.
      tags:
      - Messages
      requestBody:
        required: true
        content:
          application/x-www-form-urlencoded:
            schema:
              type: object
              required:
              - Action
              - SourceArn
              properties:
                Action:
                  type: string
                  enum:
                  - StartMessageMoveTask
                SourceArn:
                  type: string
                  description: The ARN of the queue that contains the messages to be moved
                DestinationArn:
                  type: string
                  description: The ARN of the queue that receives the moved messages. If not specified, the source queue's dead-letter queue configuration is used.
                MaxNumberOfMessagesPerSecond:
                  type: integer
                  description: The number of messages to be moved per second. If not specified, the system chooses an optimal rate.
      responses:
        '200':
          description: Message move task started successfully
          content:
            application/xml:
              schema:
                $ref: '#/components/schemas/StartMessageMoveTaskResponse'
        '400':
          description: Bad request
          content:
            application/xml:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
  /{accountId}/{queueName}/list-message-move-tasks:
    parameters:
    - $ref: '#/components/parameters/AccountId'
    - $ref: '#/components/parameters/QueueName'
    get:
      operationId: ListMessageMoveTasks
      summary: Amazon Sqs List Message Move Tasks
      description: Gets the most recent message movement tasks (up to 10) under a specific source queue.
      tags:
      - Messages
      parameters:
      - name: Action
        in: query
        required: true
        schema:
          type: string
          enum:
          - ListMessageMoveTasks
      - name: MaxResults
        in: query
        description: The maximum number of results to include in the response
        schema:
          type: integer
          minimum: 1
          maximum: 10
      responses:
        '200':
          description: Message move tasks retrieved successfully
          content:
            application/xml:
              schema:
                $ref: '#/components/schemas/ListMessageMoveTasksResponse'
        '400':
          description: Bad request
          content:
            application/xml:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
  /{accountId}/{queueName}/cancel-message-move-task:
    parameters:
    - $ref: '#/components/parameters/AccountId'
    - $ref: '#/components/parameters/QueueName'
    post:
      operationId: CancelMessageMoveTask
      summary: Amazon Sqs Cancel a Message Move Task
      description: Cancels a specified message movement task. A message movement can only be cancelled when the current status is RUNNING.
      tags:
      - Messages
      requestBody:
        required: true
        content:
          application/x-www-form-urlencoded:
            schema:
              type: object
              required:
              - Action
              - TaskHandle
              properties:
                Action:
                  type: string
                  enum:
                  - CancelMessageMoveTask
                TaskHandle:
                  type: string
                  description: An identifier associated with a message movement task.
      responses:
        '200':
          description: Message move task cancelled successfully
          content:
            application/xml:
              schema:
                $ref: '#/components/schemas/CancelMessageMoveTaskResponse'
        '400':
          description: Bad request
          content:
            application/xml:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
      x-microcks-operation:
        delay: 0
        dispatcher: FALLBACK
components:
  schemas:
    SendMessageResponse:
      type: object
      properties:
        SendMessageResult:
          type: object
          properties:
            MD5OfMessageBody:
              type: string
              description: An MD5 digest of the non-URL-encoded message body string
            MD5OfMessageAttributes:
              type: string
              description: An MD5 digest of the non-URL-encoded message attribute string
            MD5OfMessageSystemAttributes:
              type: string
              description: An MD5 digest of the non-URL-encoded system attribute string
            MessageId:
              type: string
              description: An attribute containing the MessageId of the message sent
              format: uuid
            SequenceNumber:
              type: string
              description: This parameter applies only to FIFO queues. The large, non-consecutive number that Amazon SQS assigns to each message.
          example: example_value
        ResponseMetadata:
          $ref: '#/components/schemas/ResponseMetadata'
    ListMessageMoveTasksResponse:
      type: object
      properties:
        ListMessageMoveTasksResult:
          type: object
          properties:
            Results:
              type: array
              items:
                type: object
                properties:
                  TaskHandle:
                    type: string
                  Status:
                    type: string
                    enum:
                    - RUNNING
                    - COMPLETED
                    - CANCELLING
                    - CANCELLED
                    - FAILED
                  SourceArn:
                    type: string
                  DestinationArn:
                    type: string
                  MaxNumberOfMessagesPerSecond:
                    type: integer
                  ApproximateNumberOfMessagesMoved:
                    type: integer
                  ApproximateNumberOfMessagesToMove:
                    type: integer
                  StartedTimestamp:
                    type: integer
                    description: Unix timestamp in milliseconds
          example: example_value
        ResponseMetadata:
          $ref: '#/components/schemas/ResponseMetadata'
    StartMessageMoveTaskResponse:
      type: object
      properties:
        StartMessageMoveTaskResult:
          type: object
          properties:
            TaskHandle:
              type: string
              description: An identifier associated with a message movement task
          example: example_value
        ResponseMetadata:
          $ref: '#/components/schemas/ResponseMetadata'
    DeleteMessageBatchResponse:
      type: object
      properties:
        DeleteMessageBatchResult:
          type: object
          properties:
            DeleteMessageBatchResultEntry:
              type: array
              items:
                type: object
                properties:
                  Id:
                    type: string
            BatchResultErrorEntry:
              type: array
              items:
                $ref: '#/components/schemas/BatchResultErrorEntry'
          example: example_value
        ResponseMetadata:
          $ref: '#/components/schemas/ResponseMetadata'
    GenericResponse:
      type: object
      properties:
        ResponseMetadata:
          $ref: '#/components/schemas/ResponseMetadata'
    ReceiveMessageResponse:
      type: object
      properties:
        ReceiveMessageResult:
          type: object
          properties:
            Message:
              type: array
              items:
                $ref: '#/components/schemas/Message'
          example: example_value
        ResponseMetadata:
          $ref: '#/components/schemas/ResponseMetadata'
    ErrorResponse:
      type: object
      properties:
        Error:
          type: object
          properties:
            Type:
              type: string
              description: The error type (Sender or Receiver)
              enum:
              - Sender
              - Receiver
            Code:
              type: string
              description: The error code
              examples:
              - AWS.SimpleQueueService.NonExistentQueue
              - AWS.SimpleQueueService.QueueDeletedRecently
              - InvalidParameterValue
              - MissingParameter
              - QueueAlreadyExists
              - OverLimit
              - AccessDenied
              - InvalidAddress
              - InvalidAction
              - InvalidAttributeName
              - InvalidAttributeValue
              - InvalidBatchEntryId
              - TooManyEntriesInBatchRequest
              - BatchEntryIdsNotDistinct
              - EmptyBatchRequest
              - BatchRequestTooLong
              - UnsupportedOperation
              - PurgeQueueInProgress
              - MessageNotInflight
              - ReceiptHandleIsInvalid
              - ResourceNotFoundException
            Message:
              type: string
              description: A human-readable description of the error
          example: example_value
        RequestId:
          type: string
          description: The unique request identifier
          example: '500123'
    ResponseMetadata:
      type: object
      properties:
        RequestId:
          type: string
          description: A unique identifier for the request
          example: '500123'
    CancelMessageMoveTaskResponse:
      type: object
      properties:
        CancelMessageMoveTaskResult:
          type: object
          properties:
            ApproximateNumberOfMessagesMoved:
              type: integer
              description: The approximate number of messages already moved to the destination queue.
          example: example_value
        ResponseMetadata:
          $ref: '#/components/schemas/ResponseMetadata'
    BatchResultErrorEntry:
      type: object
      description: A batch result error entry
      properties:
        Id:
          type: string
          description: The Id of the entry that caused the error
          example: abc123
        Code:
          type: string
          description: An error code representing the type of error
          example: example_value
        Message:
          type: string
          description: A message explaining the error
          example: example_value
        SenderFault:
          type: boolean
          description: Specifies whether the error happened due to the caller of the batch API action
          example: true
    SendMessageBatchResponse:
      type: object
      properties:
        SendMessageBatchResult:
          type: object
          properties:
            SendMessageBatchResultEntry:
              type: array
              items:
                type: object
                properties:
                  Id:
                    type: string
                  MessageId:
                    type: string
                    format: uuid
                  MD5OfMessageBody:
                    type: string
                  MD5OfMessageAttributes:
                    type: string
                  SequenceNumber:
                    type: string
            BatchResultErrorEntry:
              type: array
              items:
                $ref: '#/components/schemas/BatchResultErrorEntry'
          example: example_value
        ResponseMetadata:
          $ref: '#/components/schemas/ResponseMetadata'
    ChangeMessageVisibilityBatchResponse:
      type: object
      properties:
        ChangeMessageVisibilityBatchResult:
          type: object
          properties:
            ChangeMessageVisibilityBatchResultEntry:
              type: array
              items:
                type: object
                properties:
                  Id:
                    type: string
            BatchResultErrorEntry:
              type: array
              items:
                $ref: '#/components/schemas/BatchResultErrorEntry'
          example: example_value
        ResponseMetadata:
          $ref: '#/components/schemas/ResponseMetadata'
    Message:
      type: object
      description: An Amazon SQS message
      properties:
        MessageId:
          type: string
          description: A unique identifier for the message
          format: uuid
          example: '500123'
        ReceiptHandle:
          type: string
          description: An identifier associated with the act of receiving the message. A new receipt handle is returned every time you receive a message. When deleting a message, you provide the last received receipt handle to delete the message.
          example: example_value
        MD5OfBody:
          type: string
          description: An MD5 digest of the non-URL-encoded message body string
          example: example_value
        Body:
          type: string
          description: The message's contents (not URL-encoded)
          example: example_value
        Attribute:
          type: array
          description: A map of the attributes requested in ReceiveMessage to their respective values.
          items:
            type: objec

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