Classic ASP
Amazon SP-API Create Feed Doc

Creates a feed document. Amazon returns a feedDocumentId value, encryption details, and a URL for uploading the feed contents.
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Classic ASP
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<body>
<%
success = 0

' This example requires the Chilkat API to have been previously unlocked.
' See Global Unlock Sample for sample code.

set authAws = Server.CreateObject("Chilkat.AuthAws")
authAws.AccessKey = "AWS_ACCESS_KEY"
authAws.SecretKey = "AWS_SECRET_KEY"
authAws.ServiceName = "execute-api"
' Use the region that is correct for your needs.
authAws.Region = "eu-west-1"

set rest = Server.CreateObject("Chilkat.Rest")
success = rest.Connect("sellingpartnerapi-eu.amazon.com",443,1,1)
If (success = 0) Then
    Response.Write "<pre>" & Server.HTMLEncode( rest.LastErrorText) & "</pre>"
    Response.End
End If

success = rest.SetAuthAws(authAws)

' Load the previously obtained LWA access token.
' See Fetch SP-API LWA Access Token
set jsonToken = Server.CreateObject("Chilkat.JsonObject")
success = jsonToken.LoadFile("qa_data/tokens/sp_api_lwa_token.json")
If (success = 0) Then
    Response.Write "<pre>" & Server.HTMLEncode( "Failed to load LWA access token.") & "</pre>"
    Response.End
End If

' Add the x-amz-access-token request header.
lwa_token = jsonToken.StringOf("access_token")

set jsonReq = Server.CreateObject("Chilkat.JsonObject")
success = jsonReq.UpdateString("contentType","text/tab-separated-values; charset=UTF-8")

set sbRequest = Server.CreateObject("Chilkat.StringBuilder")
success = jsonReq.EmitSb(sbRequest)

success = rest.ClearAllQueryParams()
success = rest.ClearAllHeaders()
success = rest.AddHeader("x-amz-access-token",lwa_token)

set sbResponse = Server.CreateObject("Chilkat.StringBuilder")
path = "/feeds/2021-06-30/documents"
success = rest.FullRequestSb("POST",path,sbRequest,sbResponse)
If (success = 0) Then
    Response.Write "<pre>" & Server.HTMLEncode( rest.LastErrorText) & "</pre>"
    Response.End
End If

' Examine the response status.
statusCode = rest.ResponseStatusCode
Response.Write "<pre>" & Server.HTMLEncode( "statusCode: " & statusCode) & "</pre>"

If (statusCode <> 201) Then
    Response.Write "<pre>" & Server.HTMLEncode( "Response status text: " & rest.ResponseStatusText) & "</pre>"
    Response.Write "<pre>" & Server.HTMLEncode( "Response body: ") & "</pre>"
    Response.Write "<pre>" & Server.HTMLEncode( sbResponse.GetAsString()) & "</pre>"
    Response.Write "<pre>" & Server.HTMLEncode( "Failed.") & "</pre>"
    Response.End
End If

Response.Write "<pre>" & Server.HTMLEncode( sbResponse.GetAsString()) & "</pre>"

' If successful, gets a JSON response such as the following:

' {
'   "feedDocumentId": "3d4e42b5-1d6e-44e8-a89c-2abfca0625bb",
'   "url": "https://d34o8swod1owfl.cloudfront.net/Feed_101__POST_PRODUCT_DATA_.xml"
' }

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

set json = Server.CreateObject("Chilkat.JsonObject")

success = json.LoadSb(sbResponse)

feedDocumentId = json.StringOf("feedDocumentId")
url = json.StringOf("url")

' Save the JSON to a file for the example that uploads the feed..
success = json.WriteFile("qa_data/json/sp_api_feed_upload_info.json")

Response.Write "<pre>" & Server.HTMLEncode( "Success!") & "</pre>"

%>
</body>
</html>