(Visual Basic 6.0) Amazon SP-API Create Feed

See more Amazon SP-API Examples

Creates a feed. Amazon returns a feedDocumentId value, encryption details, and a URL for uploading the feed contents.

For more information, see https://developer-docs.amazon.com/sp-api/docs/feeds-api-v2020-09-04-use-case-guide

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

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

Dim authAws As New ChilkatAuthAws
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"

Dim rest As New ChilkatRest
Dim success As Long
success = rest.Connect("sellingpartnerapi-eu.amazon.com",443,1,1)
If (success = 0) Then
    Debug.Print rest.LastErrorText
    Exit Sub
End If

success = rest.SetAuthAws(authAws)

' Load the previously obtained LWA access token.
' See Fetch SP-API LWA Access Token
Dim jsonToken As New ChilkatJsonObject
success = jsonToken.LoadFile("qa_data/tokens/sp_api_lwa_token.json")
If (success = 0) Then
    Debug.Print "Failed to load LWA access token."
    Exit Sub
End If

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

Dim jsonReq As New ChilkatJsonObject
success = jsonReq.UpdateString("contentType","text/tab-separated-values; charset=UTF-8")

Dim sbRequest As New ChilkatStringBuilder
success = jsonReq.EmitSb(sbRequest)

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

Dim sbResponse As New ChilkatStringBuilder
Dim path As String
path = "/feeds/2021-06-30/documents"
success = rest.FullRequestSb("POST",path,sbRequest,sbResponse)
If (success = 0) Then
    Debug.Print rest.LastErrorText
    Exit Sub
End If

' Examine the response status.
Dim statusCode As Long
statusCode = rest.ResponseStatusCode
Debug.Print "statusCode: " & statusCode

If (statusCode <> 201) Then
    Debug.Print "Response status text: " & rest.ResponseStatusText
    Debug.Print "Response body: "
    Debug.Print sbResponse.GetAsString()
    Debug.Print "Failed."
    Exit Sub
End If

Debug.Print sbResponse.GetAsString()

' 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

Dim json As New ChilkatJsonObject

success = json.LoadSb(sbResponse)

Dim feedDocumentId As String
feedDocumentId = json.StringOf("feedDocumentId")
Dim url As String
url = json.StringOf("url")

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

Debug.Print "Success!"