Today Amazon raises the maximum payload size for the Amazon (SQS) and Amazon (SNS) from 64 KB to 256 KB.



It is now official, Amazon has initiated the rise of the maximum payload size for the Amazon Simple Queue Service (SQS) and the
Amazon Simple Notification Service (SNS) from 64 KB to 256 KB.
In addition Amazon also added a new option to allow you to opt for delivery of SNS messages in raw format, in addition to the existing JSON format. ‘’This is useful if you are using SNS in conjunction with SQS transmit identical copies of a message to multiple queues. ‘’
For those who unfamiliar,
  • 256KB Payloads (SQS and SNS) allows you to send and receive more data with each API call.  Previously, payloads were capped at 64KB.  Now, large payloads are billed as one request per 64KB 'chunk' of payload.  For example, a single API call for a 256KB payload will be billed as four requests.
  • SNS Raw Message Delivery allows you to pack even more information content into your messaging payloads.  When delivering notifications to SQS and HTTP endpoints, SNS today adds JSON encoding with metadata about the current message and topic.  Now, developers can set the optional RawMessageDelivery property to disable this added JSON encoding. 
To learn more, you can visit the Amazon SNS page  and the Amazon SQS page. 

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