diff --git a/Source/OktaAuthSdk.swift b/Source/OktaAuthSdk.swift
index 9fee242..e8721c8 100644
--- a/Source/OktaAuthSdk.swift
+++ b/Source/OktaAuthSdk.swift
@@ -17,12 +17,16 @@ public class OktaAuthSdk {
     public class func authenticate(with url: URL,
                                    username: String,
                                    password: String?,
+                                   deviceToken: String?,
+                                   deviceFingerprint: String?,
                                    onStatusChange: @escaping (_ newStatus: OktaAuthStatus) -> Void,
                                    onError: @escaping (_ error: OktaError) -> Void) {
         
         let unauthenticatedStatus = OktaAuthStatusUnauthenticated(oktaDomain: url)
         unauthenticatedStatus.authenticate(username: username,
                                            password: password ?? "",
+                                           deviceToken: deviceToken ?? "",
+                                           deviceFingerprint: deviceFingerprint ?? "",
                                            onStatusChange:onStatusChange,
                                            onError:onError)
     }
diff --git a/Source/Statuses/OktaAuthStatusUnauthenticated.swift b/Source/Statuses/OktaAuthStatusUnauthenticated.swift
index 5194331..9d3b6df 100644
--- a/Source/Statuses/OktaAuthStatusUnauthenticated.swift
+++ b/Source/Statuses/OktaAuthStatusUnauthenticated.swift
@@ -21,12 +21,15 @@ open class OktaAuthStatusUnauthenticated : OktaAuthStatus {
 
     open func authenticate(username: String,
                            password: String,
+                           deviceToken: String,
+                           deviceFingerprint: String,
                            onStatusChange: @escaping (_ newStatus: OktaAuthStatus) -> Void,
                            onError: @escaping (_ error: OktaError) -> Void) {
 
         restApi.primaryAuthentication(username: username,
                                       password: password,
-                                      deviceFingerprint: nil)
+                                      deviceToken: deviceToken,
+                                      deviceFingerprint: deviceFingerprint)
         { result in
             self.handleServerResponse(result,
                                       onStatusChanged: onStatusChange,
diff --git a/Tests/E2E/E2ETests.swift b/Tests/E2E/E2ETests.swift
index 8a3b5c9..8ce5dfe 100644
--- a/Tests/E2E/E2ETests.swift
+++ b/Tests/E2E/E2ETests.swift
@@ -45,7 +45,7 @@ class E2ETests: XCTestCase {
 
     func testPrimaryAuthFlowSuccess() {
         let ex = expectation(description: "Operation should succeed!")
-        OktaAuthSdk.authenticate(with: URL(string: urlString)!, username: primaryAuthUser!.username, password: primaryAuthUser!.password, onStatusChange: { status in
+        OktaAuthSdk.authenticate(with: URL(string: urlString)!, username: primaryAuthUser!.username, password: primaryAuthUser!.password, deviceToken: "deviceToken", deviceFingerprint: nil, onStatusChange: { status in
             XCTAssertTrue(status.statusType == .success)
             self.verifyBasicInfoForStatus(status: status)
             let successStatus = status as! OktaAuthStatusSuccess
@@ -61,7 +61,7 @@ class E2ETests: XCTestCase {
 
     func testPrimaryAuthFlowFailure() {
         let ex = expectation(description: "Operation should fail!")
-        OktaAuthSdk.authenticate(with: URL(string: urlString)!, username: primaryAuthUser!.username, password: "Wrong password", onStatusChange: { status in
+        OktaAuthSdk.authenticate(with: URL(string: urlString)!, username: primaryAuthUser!.username, password: "Wrong password", deviceToken: "deviceToken", deviceFingerprint: nil, onStatusChange: { status in
             XCTFail("Unexpected status")
             ex.fulfill()
         }) { error in
@@ -78,7 +78,7 @@ class E2ETests: XCTestCase {
     func testFactorChallengeSuccess() {
         var factorRequiredStatus: OktaAuthStatusFactorRequired?
         let ex = expectation(description: "Operation should succeed!")
-        OktaAuthSdk.authenticate(with: URL(string: urlString)!, username: factorRequiredUser!.username, password: factorRequiredUser!.password, onStatusChange: { status in
+        OktaAuthSdk.authenticate(with: URL(string: urlString)!, username: factorRequiredUser!.username, password: factorRequiredUser!.password, deviceToken: "deviceToken", deviceFingerprint: nil, onStatusChange: { status in
             XCTAssertTrue(status.statusType == .MFARequired)
             factorRequiredStatus = status as? OktaAuthStatusFactorRequired
             if let factorRequiredStatus = factorRequiredStatus {
@@ -130,7 +130,7 @@ class E2ETests: XCTestCase {
         var factorEnrollStatus: OktaAuthStatusFactorEnroll?
         var pushFactor: OktaFactorPush?
         let ex = expectation(description: "Operation should succeed!")
-        OktaAuthSdk.authenticate(with: URL(string: urlString)!, username: factorEnrollmentUser!.username, password: factorEnrollmentUser!.password, onStatusChange: { status in
+        OktaAuthSdk.authenticate(with: URL(string: urlString)!, username: factorEnrollmentUser!.username, password: factorEnrollmentUser!.password, deviceToken: "deviceToken", deviceFingerprint: nil, onStatusChange: { status in
             XCTAssertTrue(status.statusType == .MFAEnroll)
             factorEnrollStatus = status as? OktaAuthStatusFactorEnroll
             if let factorEnrollStatus = factorEnrollStatus {
@@ -218,7 +218,7 @@ class E2ETests: XCTestCase {
         var factorEnrollStatus: OktaAuthStatusFactorEnroll?
         var smsFactor: OktaFactorSms?
         let ex = expectation(description: "Operation should succeed!")
-        OktaAuthSdk.authenticate(with: URL(string: urlString)!, username: factorEnrollmentUser!.username, password: factorEnrollmentUser!.password, onStatusChange: { status in
+        OktaAuthSdk.authenticate(with: URL(string: urlString)!, username: factorEnrollmentUser!.username, password: factorEnrollmentUser!.password, deviceToken: "deviceToken", deviceFingerprint: nil, onStatusChange: { status in
             XCTAssertTrue(status.statusType == .MFAEnroll)
             factorEnrollStatus = status as? OktaAuthStatusFactorEnroll
             if let factorEnrollStatus = factorEnrollStatus {
@@ -257,7 +257,7 @@ class E2ETests: XCTestCase {
         var factorEnrollStatus: OktaAuthStatusFactorEnroll?
         var totpFactor: OktaFactorTotp?
         let ex = expectation(description: "Operation should succeed!")
-        OktaAuthSdk.authenticate(with: URL(string: urlString)!, username: factorEnrollmentUser!.username, password: factorEnrollmentUser!.password, onStatusChange: { status in
+        OktaAuthSdk.authenticate(with: URL(string: urlString)!, username: factorEnrollmentUser!.username, password: factorEnrollmentUser!.password, deviceToken: "deviceToken", deviceFingerprint: nil, onStatusChange: { status in
             XCTAssertTrue(status.statusType == .MFAEnroll)
             factorEnrollStatus = status as? OktaAuthStatusFactorEnroll
             if let factorEnrollStatus = factorEnrollStatus {
diff --git a/Tests/Statuses/OktaAuthStatusUnauthenticatedTests.swift b/Tests/Statuses/OktaAuthStatusUnauthenticatedTests.swift
index 66e568c..4cf298a 100644
--- a/Tests/Statuses/OktaAuthStatusUnauthenticatedTests.swift
+++ b/Tests/Statuses/OktaAuthStatusUnauthenticatedTests.swift
@@ -25,6 +25,8 @@ class OktaAuthStatusUnauthenticatedTests: XCTestCase {
         status.authenticate(
             username: "test",
             password: "test",
+            deviceToken: "deviceToken",
+            deviceFingerprint: "deviceFingerprint",
             onStatusChange: { status in
                 XCTAssertEqual(AuthStatus.success, status.statusType)
                 ex.fulfill()
@@ -48,6 +50,8 @@ class OktaAuthStatusUnauthenticatedTests: XCTestCase {
         status.authenticate(
             username: "test",
             password: "test",
+            deviceToken: "deviceToken",
+            deviceFingerprint: "deviceFingerprint",
             onStatusChange: { status in
                 XCTFail("Unexpected status change: \(status)")
                 ex.fulfill()