diff --git a/Tests/Private/Get-ZertoApiFilter.Tests.ps1 b/Tests/Private/Get-ZertoApiFilter.Tests.ps1
new file mode 100644
index 0000000..4857554
--- /dev/null
+++ b/Tests/Private/Get-ZertoApiFilter.Tests.ps1
@@ -0,0 +1,23 @@
+$filePath = (Split-Path -Parent $MyInvocation.MyCommand.Path) -replace 'Tests', 'ZertoApiWrapper'
+$fileName = (Split-Path -Leaf $MyInvocation.MyCommand.Path ) -replace '.Tests.', '.'
+$modulePath = $filePath -replace "Private", ""
+
+. "$filePath\$fileName"
+$oneItemTest = @{"OneItem" = "Test"}
+$twoItemTest = @{"OneItem" = "Test"; "SecondItem" = "Yours"}
+$boolItemTest = @{"OneItem" = "Test"; "BoolItem" = $true}
+
+Describe "Get-ZertoApiFilter" {
+    it "file should exist" {
+        "$filePath\$fileName" | should exist
+    }
+    it "one item test" {
+        Get-ZertoApiFilter -filtertable $oneItemTest | should be "?OneItem=Test"
+    }
+    it "twoItemTest" {
+        Get-ZertoApiFilter -filtertable $twoItemTest | should be "?OneItem=Test&SecondItem=Yours"
+    }
+    it "bool item test" {
+        Get-ZertoApiFilter -filtertable $boolItemTest | should be "?OneItem=Test&BoolItem=True"
+    }
+}
\ No newline at end of file