Message - Amazon Simple Queue Service
Services or capabilities described in Amazon Web Services documentation might vary by Region. To see the differences applicable to the China Regions, see Getting Started with Amazon Web Services in China (PDF).


An Amazon SQS message.



A map of the attributes requested in ReceiveMessage to their respective values. Supported attributes:

  • ApproximateReceiveCount

  • ApproximateFirstReceiveTimestamp

  • MessageDeduplicationId

  • MessageGroupId

  • SenderId

  • SentTimestamp

  • SequenceNumber

ApproximateFirstReceiveTimestamp and SentTimestamp are each returned as an integer representing the epoch time in milliseconds.

Type: String to string map

Valid Keys: All | SenderId | SentTimestamp | ApproximateReceiveCount | ApproximateFirstReceiveTimestamp | SequenceNumber | MessageDeduplicationId | MessageGroupId | AWSTraceHeader | DeadLetterQueueSourceArn

Required: No


The message's contents (not URL-encoded).

Type: String

Required: No


An MD5 digest of the non-URL-encoded message body string.

Type: String

Required: No


An MD5 digest of the non-URL-encoded message attribute string. You can use this attribute to verify that Amazon SQS received the message correctly. Amazon SQS URL-decodes the message before creating the MD5 digest. For information about MD5, see RFC1321.

Type: String

Required: No


Each message attribute consists of a Name, Type, and Value. For more information, see Amazon SQS message attributes in the Amazon SQS Developer Guide.

Type: String to MessageAttributeValue object map

Required: No


A unique identifier for the message. A MessageIdis considered unique across all Amazon Web Services accounts for an extended period of time.

Type: String

Required: No


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.

Type: String

Required: No

See Also

For more information about using this API in one of the language-specific Amazon SDKs, see the following: