Handle-FetchSites function you should replace the hard-coded Invoke-RestMethod block (lines ~458–472

StackMonkey.ps1

@@ -441,36 +441,28 @@ function Handle-FetchSites {
 
     # 2) Fetch your Datto API creds from the webhook
     Write-LogHybrid "Calling webhook for Datto credentials…" "Info" "FetchSites"
-   <#
-      $resp = Get-DattoApiCredentials -Password $N8nPassword
-  if (-not $resp) {
-      Write-LogHelper "Failed to retrieve Datto API credentials from n8n" Error DattoAuth
-      throw
-  }
-
-  # now exactly the same values are populated:
-  $Global:ApiUrl       = $resp.ApiUrl
-  $Global:ApiKey       = $resp.ApiKey
-  $Global:ApiSecretKey = $resp.ApiSecretKey
-  Write-LogHelper "Fetched Datto API credentials from n8n" Success DattoAuth
-#> #could replace the following 15 lines 
 
 try {
-        $hdr  = @{ "SVSMSPKit" = $pw }
-        $resp = Invoke-RestMethod -Uri $Global:DattoWebhookUrl -Headers $hdr -Method GET
-
-        # store for later RMM calls
-        $Global:ApiUrl       = $resp.ApiUrl
-        $Global:ApiKey       = $resp.ApiKey
-        $Global:ApiSecretKey = $resp.ApiSecretKey
-
-        Write-LogHybrid "Fetched and stored API credentials." "Success" "FetchSites"
-    } catch {
-        Write-LogHybrid "Webhook call failed: $($_.Exception.Message)" "Error" "FetchSites" -LogToEvent
+    $creds = Get-DattoApiCredentials -Password $pw
+    if (-not $creds) {
+        Write-LogHybrid "Webhook returned no credentials" Error FetchSites
         returnRespondEmpty $Context 403
         return
     }
 
+    # reuse the same globals from the entrypoint
+    $Global:ApiUrl       = $creds.ApiUrl
+    $Global:ApiKey       = $creds.ApiKey
+    $Global:ApiSecretKey = $creds.ApiSecretKey
+
+    Write-LogHybrid "Fetched and stored API credentials." Success FetchSites
+} catch {
+    Write-LogHybrid "Credential-fetch error: $($_.Exception.Message)" Error FetchSites -LogToEvent
+    returnRespondEmpty $Context 500
+    return
+}
+
+
     # 3) Exchange for a bearer token
     Write-LogHybrid "Requesting OAuth token" "Info" "FetchSites"
     try {