diff --git a/CHANGELOG.md b/CHANGELOG.md
index c8bea1fe..ed74e087 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,6 +14,7 @@
       * Add `vault(vaultRequest:completion(PayPalVaultResult?, Error?) -> Void)` to `PayPalWebCheckoutClient`
       * Add `start(request:) async throws -> PayPalCheckoutResult`
       * Add `vault(vaultRequest:) async throws -> PayPalVaultResult`
+      * Add `.checkoutCanceled` and `.vaultCanceled` to `PayPalWebCheckoutClientError`
   * CardPayments
     * Replace delegate pattern with completion handlers and Swift concurrency
       * Remove `CardDelegate` and `CardVaultDelegate`
@@ -22,7 +23,8 @@
       * Add `approveOrder(request:completion:(CardResult?, Error?) -> Void)` to `CardClient`
       * Add `vault(request:completion:(CardVaultResult?, Error?) -> Void)` to `CardClient`
       * Add `approveOrder(request:) async throws -> CardResult`
-      * Add `vault(vaultRequest:) async throws -> CardVaultResult`      
+      * Add `vault(vaultRequest:) async throws -> CardVaultResult`   
+      * Add `.threeDSecureCanceled` to `CardClientError`   
 * PayPalWebPayments
   * Deprecate `PayPalVaultRequest(url:setupTokenID:)`
   * Add `PayPalVaultRequest(setupTokenID:)`
diff --git a/Sources/CardPayments/CardClient.swift b/Sources/CardPayments/CardClient.swift
index ab042b1d..9104f5c0 100644
--- a/Sources/CardPayments/CardClient.swift
+++ b/Sources/CardPayments/CardClient.swift
@@ -170,7 +170,7 @@ public class CardClient: NSObject {
                 if let error = error {
                     switch error {
                     case ASWebAuthenticationSessionError.canceledLogin:
-                        self.notifyCheckoutCancelWithError(with: CardClientError.threeDSecureCancellation, completion: completion)
+                        self.notifyCheckoutCancelWithError(with: CardClientError.threeDSecureCanceled, completion: completion)
                         return
                     default:
                         self.notifyCheckoutFailure(with: CardClientError.threeDSecureError(error), completion: completion)
@@ -206,7 +206,7 @@ public class CardClient: NSObject {
                 if let error = error {
                     switch error {
                     case ASWebAuthenticationSessionError.canceledLogin:
-                        self.notifyVaultCancelWithError(with: CardClientError.threeDSecureCancellation, completion: completion)
+                        self.notifyVaultCancelWithError(with: CardClientError.threeDSecureCanceled, completion: completion)
                         return
                     default:
                         self.notifyVaultFailure(with: CardClientError.threeDSecureError(error), completion: completion)
diff --git a/Sources/CardPayments/CardClientError.swift b/Sources/CardPayments/CardClientError.swift
index d068833b..fa94319b 100644
--- a/Sources/CardPayments/CardClientError.swift
+++ b/Sources/CardPayments/CardClientError.swift
@@ -39,7 +39,7 @@ enum CardClientError {
         case malformedDeeplinkURLError
 
         /// 10. Cancellation from 3DS verification
-        case threeDSCancellation
+        case threeDSCancellationError
     }
 
     static let unknownError = CoreSDKError(
@@ -68,10 +68,10 @@ enum CardClientError {
         errorDescription: "An invalid 3DS URL was returned. Contact developer.paypal.com/support."
     )
 
-    static let threeDSecureCancellation = CoreSDKError(
-        code: Code.threeDSCancellation.rawValue,
+    static let threeDSecureCanceled = CoreSDKError(
+        code: Code.threeDSCancellationError.rawValue,
         domain: domain,
-        errorDescription: "3DS verification has been cancelled by the user."
+        errorDescription: "3DS verification has been canceled by the user."
     )
 
     static let noVaultTokenDataError = CoreSDKError(
diff --git a/Sources/PayPalWebPayments/PayPalWebCheckoutClient.swift b/Sources/PayPalWebPayments/PayPalWebCheckoutClient.swift
index 4f1bde35..228424ed 100644
--- a/Sources/PayPalWebPayments/PayPalWebCheckoutClient.swift
+++ b/Sources/PayPalWebPayments/PayPalWebCheckoutClient.swift
@@ -64,7 +64,7 @@ public class PayPalWebCheckoutClient: NSObject {
                     switch error {
                     case ASWebAuthenticationSessionError.canceledLogin:
                         self.notifyCheckoutCancelWithError(
-                            with: PayPalWebCheckoutClientError.payPalCancellationError,
+                            with: PayPalWebCheckoutClientError.checkoutCanceled,
                             completion: completion
                         )
                         return
@@ -153,7 +153,7 @@ public class PayPalWebCheckoutClient: NSObject {
                     switch error {
                     case ASWebAuthenticationSessionError.canceledLogin:
                         self.notifyVaultCancelWithError(
-                            with: PayPalWebCheckoutClientError.payPalVaultCancellationError,
+                            with: PayPalWebCheckoutClientError.vaultCanceled,
                             completion: completion
                         )
                         return
diff --git a/Sources/PayPalWebPayments/PayPalWebCheckoutClientError.swift b/Sources/PayPalWebPayments/PayPalWebCheckoutClientError.swift
index 8fc0146c..48f32bb0 100644
--- a/Sources/PayPalWebPayments/PayPalWebCheckoutClientError.swift
+++ b/Sources/PayPalWebPayments/PayPalWebCheckoutClientError.swift
@@ -57,15 +57,15 @@ enum PayPalWebCheckoutClientError {
         errorDescription: "Error parsing PayPal vault response"
     )
 
-    static let payPalCancellationError = CoreSDKError(
+    static let checkoutCanceled = CoreSDKError(
         code: Code.payPalCancellationError.rawValue,
         domain: domain,
-        errorDescription: "PayPal checkout has been cancelled by the user"
+        errorDescription: "PayPal checkout has been canceled by the user"
     )
 
-    static let payPalVaultCancellationError = CoreSDKError(
+    static let vaultCanceled = CoreSDKError(
         code: Code.payPalVaultCancellationError.rawValue,
         domain: domain,
-        errorDescription: "PayPal vault has been cancelled by the user"
+        errorDescription: "PayPal vault has been canceled by the user"
     )
 }
diff --git a/UnitTests/CardPaymentsTests/CardClient_Tests.swift b/UnitTests/CardPaymentsTests/CardClient_Tests.swift
index e23065c7..53534faf 100644
--- a/UnitTests/CardPaymentsTests/CardClient_Tests.swift
+++ b/UnitTests/CardPaymentsTests/CardClient_Tests.swift
@@ -203,8 +203,8 @@ class CardClient_Tests: XCTestCase {
             XCTAssertNil(result)
             if let error = error as? CoreSDKError {
                 XCTAssertEqual(error.domain, CardClientError.domain)
-                XCTAssertEqual(error.code, CardClientError.Code.threeDSCancellation.rawValue)
-                XCTAssertEqual(error.localizedDescription, CardClientError.threeDSecureCancellation.localizedDescription)
+                XCTAssertEqual(error.code, CardClientError.Code.threeDSCancellationError.rawValue)
+                XCTAssertEqual(error.localizedDescription, CardClientError.threeDSecureCanceled.localizedDescription)
             } else {
                 XCTFail("Expected error to be of type CoreSDKError")
             }
@@ -361,8 +361,8 @@ class CardClient_Tests: XCTestCase {
             XCTAssertNil(result)
             if let error = error as? CoreSDKError {
                 XCTAssertEqual(error.domain, CardClientError.domain)
-                XCTAssertEqual(error.code, CardClientError.threeDSecureCancellation.code)
-                XCTAssertEqual(error.localizedDescription, CardClientError.threeDSecureCancellation.localizedDescription)
+                XCTAssertEqual(error.code, CardClientError.threeDSecureCanceled.code)
+                XCTAssertEqual(error.localizedDescription, CardClientError.threeDSecureCanceled.localizedDescription)
             } else {
                 XCTFail("Expected error to be of type CoreSDKError")
             }
diff --git a/UnitTests/PayPalWebPaymentsTests/PayPalWebCheckoutClient_Tests.swift b/UnitTests/PayPalWebPaymentsTests/PayPalWebCheckoutClient_Tests.swift
index 6b43fa9b..12ca902b 100644
--- a/UnitTests/PayPalWebPaymentsTests/PayPalWebCheckoutClient_Tests.swift
+++ b/UnitTests/PayPalWebPaymentsTests/PayPalWebCheckoutClient_Tests.swift
@@ -80,7 +80,7 @@ class PayPalClient_Tests: XCTestCase {
             if let error = error as? CoreSDKError {
                 XCTAssertEqual(error.domain, PayPalWebCheckoutClientError.domain)
                 XCTAssertEqual(error.code, PayPalWebCheckoutClientError.Code.payPalVaultCancellationError.rawValue)
-                XCTAssertEqual(error.localizedDescription, "PayPal vault has been cancelled by the user")
+                XCTAssertEqual(error.localizedDescription, "PayPal vault has been canceled by the user")
             } else {
                 XCTFail("Expected error to be of type CoreSDKError")
             }
@@ -159,8 +159,8 @@ class PayPalClient_Tests: XCTestCase {
             XCTAssertNil(result)
             if let error = error as? CoreSDKError {
                 XCTAssertEqual(error.domain, PayPalWebCheckoutClientError.domain)
-                XCTAssertEqual(error.code, PayPalWebCheckoutClientError.payPalCancellationError.code)
-                XCTAssertEqual(error.localizedDescription, PayPalWebCheckoutClientError.payPalCancellationError.localizedDescription)
+                XCTAssertEqual(error.code, PayPalWebCheckoutClientError.checkoutCanceled.code)
+                XCTAssertEqual(error.localizedDescription, PayPalWebCheckoutClientError.checkoutCanceled.localizedDescription)
             } else {
                 XCTFail("Expected error to be of type CoreSDKError")
             }