diff --git a/Sources/MessagingPush/RichPush/RichPushHttpClient.swift b/Sources/MessagingPush/RichPush/RichPushHttpClient.swift
index 83478a5a9..2516fb7ee 100644
--- a/Sources/MessagingPush/RichPush/RichPushHttpClient.swift
+++ b/Sources/MessagingPush/RichPush/RichPushHttpClient.swift
@@ -15,7 +15,7 @@ public class RichPushHttpClient: HttpClient {
         [cioApiSession, publicSession]
     }
 
-    private var region: Region = .US
+    private let region: Region
 
     public func request(_ params: CioInternalCommon.HttpRequestParams, onComplete: @escaping (Result<Data, CioInternalCommon.HttpRequestError>) -> Void) {
         httpRequestRunner
diff --git a/Tests/MessagingPush/HttpClientTest.swift b/Tests/MessagingPush/HttpClientTest.swift
index b1389da7f..a5233f865 100644
--- a/Tests/MessagingPush/HttpClientTest.swift
+++ b/Tests/MessagingPush/HttpClientTest.swift
@@ -221,6 +221,11 @@ class HttpClientTest: UnitTest {
         XCTAssertTrue(containsAuthorizationHeader)
     }
 
+    func test_getDefaultApiHost_givenRegion_expectCorrectApiHost() {
+        XCTAssertEqual(RichPushHttpClient.getDefaultApiHost(region: .US), "https://cdp.customer.io/v1")
+        XCTAssertEqual(RichPushHttpClient.getDefaultApiHost(region: .EU), "https://cdp-eu.customer.io/v1")
+    }
+
     func test_getSessionForRequest_givenCIOAssetLibraryEndpoint_expectPublicSession() {
         let actualSession = client.getSessionForRequest(url: URL(string: "https://storage.googleapis.com/cio-asset-manager-standalone/1670599791846_frederick_adoption_day.jpg")!)