Classic ASP
DynamoDB - PutItem

Creates a new item, or replaces an old item with a new item. If an item that has the same primary key as the new item already exists in the specified table, the new item completely replaces the existing item.
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Classic ASP
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<body>
<%
success = 0

set rest = Server.CreateObject("Chilkat.Rest")

' Implements the following CURL command:

' curl -X POST https://dynamodb.us-west-2.amazonaws.com/ \
'   -H "Accept-Encoding: identity" \
'   -H "Content-Type: application/x-amz-json-1.0" \
'   -H "Authorization: AWS4-HMAC-SHA256 Credential=<Credential>, SignedHeaders=<Headers>, Signature=<Signature>" \
'   -H "X-Amz-Date: <Date>" \
'   -H "X-Amz-Target: DynamoDB_20120810.PutItem" \
'   -d '{
'     "TableName": "Thread",
'     "Item": {
'         "LastPostDateTime": {
'             "S": "201303190422"
'         },
'         "Tags": {
'             "SS": ["Update","Multiple Items","HelpMe"]
'         },
'         "ForumName": {
'             "S": "Amazon DynamoDB"
'         },
'         "Message": {
'             "S": "I want to update multiple items in a single call. What is the best way to do that?"
'         },
'         "Subject": {
'             "S": "How do I update multiple items?"
'         },
'         "LastPostedBy": {
'             "S": "fred@example.com"
'         }
'     },
'     "ConditionExpression": "ForumName <> :f and Subject <> :s",
'     "ExpressionAttributeValues": {
'         ":f": {"S": "Amazon DynamoDB"},
'         ":s": {"S": "How do I update multiple items?"}
'     }
' }'

' Use the following online tool to generate REST code from a CURL command
' Convert a cURL Command to REST Source Code

set authAws = Server.CreateObject("Chilkat.AuthAws")
authAws.AccessKey = "AWS_ACCESS_KEY"
authAws.SecretKey = "AWS_SECRET_KEY"
' Don't forget to change the region to your particular region. (Also make the same change in the call to Connect below.)
authAws.Region = "us-west-2"
authAws.ServiceName = "dynamodb"
' SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
success = rest.SetAuthAws(authAws)

' URL: https://dynamodb.us-west-2.amazonaws.com/
bTls = 1
port = 443
bAutoReconnect = 1
success = rest.Connect("dynamodb.us-west-2.amazonaws.com",port,bTls,bAutoReconnect)
If (success <> 1) Then
    Response.Write "<pre>" & Server.HTMLEncode( "ConnectFailReason: " & rest.ConnectFailReason) & "</pre>"
    Response.Write "<pre>" & Server.HTMLEncode( rest.LastErrorText) & "</pre>"
    Response.End
End If

' Note: The above code does not need to be repeatedly called for each REST request.
' The rest object can be setup once, and then many requests can be sent.  Chilkat will automatically
' reconnect within a FullRequest* method as needed.  It is only the very first connection that is explicitly
' made via the Connect method.

' Use this online tool to generate code from sample JSON:
' Generate Code to Create JSON

' The following JSON is sent in the request body.

' {
'   "TableName": "Thread",
'   "Item": {
'     "LastPostDateTime": {
'       "S": "201303190422"
'     },
'     "Tags": {
'       "SS": [
'         "Update",
'         "Multiple Items",
'         "HelpMe"
'       ]
'     },
'     "ForumName": {
'       "S": "Amazon DynamoDB"
'     },
'     "Message": {
'       "S": "I want to update multiple items in a single call. What is the best way to do that?"
'     },
'     "Subject": {
'       "S": "How do I update multiple items?"
'     },
'     "LastPostedBy": {
'       "S": "fred@example.com"
'     }
'   },
'   "ConditionExpression": "ForumName <> :f and Subject <> :s",
'   "ExpressionAttributeValues": {
'     ":f": {
'       "S": "Amazon DynamoDB"
'     },
'     ":s": {
'       "S": "How do I update multiple items?"
'     }
'   }
' }

set json = Server.CreateObject("Chilkat.JsonObject")
success = json.UpdateString("TableName","Thread")
success = json.UpdateString("Item.LastPostDateTime.S","201303190422")
success = json.UpdateString("Item.Tags.SS[0]","Update")
success = json.UpdateString("Item.Tags.SS[1]","Multiple Items")
success = json.UpdateString("Item.Tags.SS[2]","HelpMe")
success = json.UpdateString("Item.ForumName.S","Amazon DynamoDB")
success = json.UpdateString("Item.Message.S","I want to update multiple items in a single call. What is the best way to do that?")
success = json.UpdateString("Item.Subject.S","How do I update multiple items?")
success = json.UpdateString("Item.LastPostedBy.S","fred@example.com")
success = json.UpdateString("ConditionExpression","ForumName <> :f and Subject <> :s")
success = json.UpdateString("ExpressionAttributeValues.:f.S","Amazon DynamoDB")
success = json.UpdateString("ExpressionAttributeValues.:s.S","How do I update multiple items?")

success = rest.AddHeader("Content-Type","application/x-amz-json-1.0")
success = rest.AddHeader("X-Amz-Target","DynamoDB_20120810.PutItem")
success = rest.AddHeader("Accept-Encoding","identity")

set sbRequestBody = Server.CreateObject("Chilkat.StringBuilder")
success = json.EmitSb(sbRequestBody)
set sbResponseBody = Server.CreateObject("Chilkat.StringBuilder")
success = rest.FullRequestSb("POST","/",sbRequestBody,sbResponseBody)
If (success <> 1) Then
    Response.Write "<pre>" & Server.HTMLEncode( rest.LastErrorText) & "</pre>"
    Response.End
End If

respStatusCode = rest.ResponseStatusCode
Response.Write "<pre>" & Server.HTMLEncode( "response status code = " & respStatusCode) & "</pre>"
If (respStatusCode >= 400) Then
    Response.Write "<pre>" & Server.HTMLEncode( "Response Status Code = " & respStatusCode) & "</pre>"
    Response.Write "<pre>" & Server.HTMLEncode( "Response Header:") & "</pre>"
    Response.Write "<pre>" & Server.HTMLEncode( rest.ResponseHeader) & "</pre>"
    Response.Write "<pre>" & Server.HTMLEncode( "Response Body:") & "</pre>"
    Response.Write "<pre>" & Server.HTMLEncode( sbResponseBody.GetAsString()) & "</pre>"
    Response.End
End If

set jsonResponse = Server.CreateObject("Chilkat.JsonObject")
success = jsonResponse.LoadSb(sbResponseBody)

jsonResponse.EmitCompact = 0
Response.Write "<pre>" & Server.HTMLEncode( jsonResponse.Emit()) & "</pre>"

%>
</body>
</html>