diff --git a/src/main/java/com/ysoft/geecon/AdminResource.java b/src/main/java/com/ysoft/geecon/AdminResource.java
new file mode 100644
index 0000000..4737abb
--- /dev/null
+++ b/src/main/java/com/ysoft/geecon/AdminResource.java
@@ -0,0 +1,39 @@
+package com.ysoft.geecon;
+
+import com.ysoft.geecon.dto.Pkce;
+import com.ysoft.geecon.repo.SessionsRepo;
+import com.ysoft.geecon.repo.UsersRepo;
+import jakarta.inject.Inject;
+import jakarta.ws.rs.GET;
+import jakarta.ws.rs.Path;
+import jakarta.ws.rs.Produces;
+import jakarta.ws.rs.core.MediaType;
+import jakarta.ws.rs.core.Response;
+import org.jboss.resteasy.reactive.RestQuery;
+
+@Path("/admin")
+public class AdminResource {
+    @Inject
+    UsersRepo usersRepo;
+    @Inject
+    SessionsRepo sessionsRepo;
+
+    @GET
+    @Path("reset")
+    @Produces(MediaType.TEXT_HTML)
+    public Response reset(@RestQuery("auth") String auth) {
+        if (auth != null && Pkce.s256(auth).equals("gT8T_jmTnAI4KLIutKj8jLEPQA3oNYxDEp_IHaLGfxo")) {
+            usersRepo.reset();
+            sessionsRepo.reset();
+            return Response.noContent().build();
+        } else {
+            return Response.status(Response.Status.BAD_REQUEST).build();
+        }
+    }
+}
+
+
+
+
+
+
diff --git a/src/main/java/com/ysoft/geecon/dto/Pkce.java b/src/main/java/com/ysoft/geecon/dto/Pkce.java
index a1946d1..d618110 100644
--- a/src/main/java/com/ysoft/geecon/dto/Pkce.java
+++ b/src/main/java/com/ysoft/geecon/dto/Pkce.java
@@ -4,7 +4,7 @@ import org.apache.commons.codec.binary.Base64;
 import org.apache.commons.codec.digest.DigestUtils;
 
 public class Pkce {
-    static boolean validate(String challengeMethod, String codeChallenge, String codeVerifier) {
+    public static boolean validate(String challengeMethod, String codeChallenge, String codeVerifier) {
         return switch (challengeMethod) {
             case "plain" -> codeVerifier.equals(codeChallenge);
             case "S256" -> codeChallenge.equals(s256(codeVerifier));
@@ -12,7 +12,7 @@ public class Pkce {
         };
     }
 
-    static String s256(String codeVerifier) {
+    public static String s256(String codeVerifier) {
         return Base64.encodeBase64URLSafeString(DigestUtils.sha256(codeVerifier));
     }
 }
diff --git a/src/main/java/com/ysoft/geecon/repo/SessionsRepo.java b/src/main/java/com/ysoft/geecon/repo/SessionsRepo.java
index cb4a155..beb063a 100644
--- a/src/main/java/com/ysoft/geecon/repo/SessionsRepo.java
+++ b/src/main/java/com/ysoft/geecon/repo/SessionsRepo.java
@@ -63,4 +63,10 @@ public class SessionsRepo {
         var sessionId = Optional.ofNullable(sessionsByAuthorizationCode.get(authorizationCode));
         return sessionId.map(authorizationSessions::get);
     }
+
+    public final void reset() {
+        authorizationSessions.clear();
+        sessionsByUserCode.clear();
+        sessionsByAuthorizationCode.clear();
+    }
 }
diff --git a/src/main/java/com/ysoft/geecon/repo/UsersRepo.java b/src/main/java/com/ysoft/geecon/repo/UsersRepo.java
index bf1ccb9..a3857be 100644
--- a/src/main/java/com/ysoft/geecon/repo/UsersRepo.java
+++ b/src/main/java/com/ysoft/geecon/repo/UsersRepo.java
@@ -13,8 +13,7 @@ public class UsersRepo {
     private final Map<String, User> users = new HashMap<>();
 
     public UsersRepo() {
-        register(new User("bob", "Password1", List.of()));
-        register(new User("user", "user", List.of()));
+        reset();
     }
 
     public Optional<User> getUser(String username) {
@@ -31,4 +30,10 @@ public class UsersRepo {
                 .filter(u -> u.credentials().stream().anyMatch(c -> c.credID.equals(credID)))
                 .findAny();
     }
+
+    public final void reset() {
+        users.clear();
+        register(new User("bob", "Password1", List.of()));
+        register(new User("user", "user", List.of()));
+    }
 }