diff --git a/android/src/main/java/com/nextar/sumup/RNSumUpModule.java b/android/src/main/java/com/nextar/sumup/RNSumUpModule.java
index 8264b6e..d56d968 100644
--- a/android/src/main/java/com/nextar/sumup/RNSumUpModule.java
+++ b/android/src/main/java/com/nextar/sumup/RNSumUpModule.java
@@ -54,6 +54,13 @@ public void authenticate(String affiliateKey, Promise promise) {
     SumUpAPI.openLoginActivity(getCurrentActivity(), sumupLogin, REQUEST_CODE_LOGIN);
   }
 
+  @ReactMethod
+  public void authenticateWithToken(String affiliateKey, String token, Promise promise) {
+    mSumUpPromise = promise;
+    SumUpLogin sumupLogin = SumUpLogin.builder(affiliateKey).accessToken(token).build();
+    SumUpAPI.openLoginActivity(getCurrentActivity(), sumupLogin, REQUEST_CODE_LOGIN);
+  }
+
   @ReactMethod
   public void prepareForCheckout(Promise promise) {
     mSumUpPromise = promise;
diff --git a/index.js b/index.js
index 99e860e..71055ff 100644
--- a/index.js
+++ b/index.js
@@ -16,6 +16,10 @@ const RNSumUp = {
     return (Platform.OS === 'ios') ? RNSumUpWrapper.authenticate() : RNSumUpWrapper.authenticate(this.apiKey);
   },
 
+  authenticateWithToken(token) {
+    return (Platform.OS === 'ios') ? RNSumUpWrapper.authenticate(token) : RNSumUpWrapper.authenticate(this.apiKey, token);
+  },
+
   logout() {
     this.isLoggedIn = false;
     return RNSumUpWrapper.logout();
diff --git a/ios/RNSumUp.m b/ios/RNSumUp.m
index f9565d5..e9525a0 100644
--- a/ios/RNSumUp.m
+++ b/ios/RNSumUp.m
@@ -58,6 +58,17 @@ - (NSDictionary *)constantsToExport
     });
 }
 
+RCT_EXPORT_METHOD(authenticateWithToken:(NSString *)token resolver:(RCTPromiseResolveBlock)resolve rejecter:(RCTPromiseRejectBlock)reject)
+{
+    [SMPSumUpSDK loginWithToken:token completion:^(BOOL success, NSError * _Nullable error) {
+        if (!success) {
+            reject(@"004", @"It was not possible to login with SumUp using a token. Please, try again.", nil);
+        } else {
+            resolve(nil);
+        }
+    }];
+}
+
 RCT_EXPORT_METHOD(logout:(RCTPromiseResolveBlock)resolve rejecter:(RCTPromiseRejectBlock)reject)
 {
     [SMPSumUpSDK logoutWithCompletionBlock:^(BOOL success, NSError * _Nullable error) {