diff --git a/core/src/main/java/bisq/core/proto/network/CoreNetworkProtoResolver.java b/core/src/main/java/bisq/core/proto/network/CoreNetworkProtoResolver.java
index 675011cec3d..afa177c6733 100644
--- a/core/src/main/java/bisq/core/proto/network/CoreNetworkProtoResolver.java
+++ b/core/src/main/java/bisq/core/proto/network/CoreNetworkProtoResolver.java
@@ -64,6 +64,8 @@
 import bisq.network.p2p.BundleOfEnvelopes;
 import bisq.network.p2p.CloseConnectionMessage;
 import bisq.network.p2p.PrefixedSealedAndSignedMessage;
+import bisq.network.p2p.inventory.messages.GetInventoryRequest;
+import bisq.network.p2p.inventory.messages.GetInventoryResponse;
 import bisq.network.p2p.peers.getdata.messages.GetDataResponse;
 import bisq.network.p2p.peers.getdata.messages.GetUpdatedDataRequest;
 import bisq.network.p2p.peers.getdata.messages.PreliminaryGetDataRequest;
@@ -224,6 +226,11 @@ public NetworkEnvelope fromProto(protobuf.NetworkEnvelope proto) throws Protobuf
                 case BUNDLE_OF_ENVELOPES:
                     return BundleOfEnvelopes.fromProto(proto.getBundleOfEnvelopes(), this, messageVersion);
 
+                case GET_INVENTORY_REQUEST:
+                    return GetInventoryRequest.fromProto(proto.getGetInventoryRequest(), messageVersion);
+                case GET_INVENTORY_RESPONSE:
+                    return GetInventoryResponse.fromProto(proto.getGetInventoryResponse(), messageVersion);
+
                 default:
                     throw new ProtobufferException("Unknown proto message case (PB.NetworkEnvelope). messageCase=" +
                             proto.getMessageCase() + "; proto raw data=" + proto.toString());
diff --git a/p2p/src/main/java/bisq/network/p2p/P2PService.java b/p2p/src/main/java/bisq/network/p2p/P2PService.java
index 8716c81d9d1..76396125462 100644
--- a/p2p/src/main/java/bisq/network/p2p/P2PService.java
+++ b/p2p/src/main/java/bisq/network/p2p/P2PService.java
@@ -19,6 +19,8 @@
 
 import bisq.network.Socks5ProxyProvider;
 import bisq.network.crypto.EncryptionService;
+import bisq.network.p2p.inventory.GetInventoryRequestHandler;
+import bisq.network.p2p.inventory.GetInventoryRequestManager;
 import bisq.network.p2p.messaging.DecryptedMailboxListener;
 import bisq.network.p2p.network.CloseConnectionReason;
 import bisq.network.p2p.network.Connection;
@@ -111,6 +113,8 @@ public class P2PService implements SetupListener, MessageListener, ConnectionLis
     private final SeedNodeRepository seedNodeRepository;
     private final EncryptionService encryptionService;
     private final KeyRing keyRing;
+    private final GetInventoryRequestHandler getInventoryRequestHandler;
+    private final GetInventoryRequestManager getInventoryRequestManager;
 
     private final NetworkNode networkNode;
     private final PeerManager peerManager;
@@ -157,7 +161,9 @@ public P2PService(NetworkNode networkNode,
                       SeedNodeRepository seedNodeRepository,
                       Socks5ProxyProvider socks5ProxyProvider,
                       EncryptionService encryptionService,
-                      KeyRing keyRing) {
+                      KeyRing keyRing,
+                      GetInventoryRequestHandler getInventoryRequestHandler,
+                      GetInventoryRequestManager getInventoryRequestManager) {
         this.networkNode = networkNode;
         this.peerManager = peerManager;
         this.p2PDataStorage = p2PDataStorage;
@@ -169,6 +175,8 @@ public P2PService(NetworkNode networkNode,
         this.socks5ProxyProvider = socks5ProxyProvider;
         this.encryptionService = encryptionService;
         this.keyRing = keyRing;
+        this.getInventoryRequestHandler = getInventoryRequestHandler;
+        this.getInventoryRequestManager = getInventoryRequestManager;
 
         this.networkNode.addConnectionListener(this);
         this.networkNode.addMessageListener(this);
@@ -259,6 +267,9 @@ private void doShutDown() {
         } else {
             shutDownResultHandlers.forEach(Runnable::run);
         }
+
+        getInventoryRequestHandler.shutDown();
+        getInventoryRequestManager.shutDown();
     }
 
 
diff --git a/p2p/src/main/java/bisq/network/p2p/inventory/GetInventoryRequestHandler.java b/p2p/src/main/java/bisq/network/p2p/inventory/GetInventoryRequestHandler.java
new file mode 100644
index 00000000000..8695e71b37e
--- /dev/null
+++ b/p2p/src/main/java/bisq/network/p2p/inventory/GetInventoryRequestHandler.java
@@ -0,0 +1,81 @@
+/*
+ * This file is part of Bisq.
+ *
+ * Bisq is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * Bisq is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Bisq. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package bisq.network.p2p.inventory;
+
+import bisq.network.p2p.inventory.messages.GetInventoryRequest;
+import bisq.network.p2p.inventory.messages.GetInventoryResponse;
+import bisq.network.p2p.network.Connection;
+import bisq.network.p2p.network.MessageListener;
+import bisq.network.p2p.network.NetworkNode;
+import bisq.network.p2p.storage.P2PDataStorage;
+import bisq.network.p2p.storage.payload.ProtectedStorageEntry;
+
+import bisq.common.proto.network.NetworkEnvelope;
+
+import javax.inject.Inject;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Objects;
+
+import lombok.extern.slf4j.Slf4j;
+
+@Slf4j
+public class GetInventoryRequestHandler implements MessageListener {
+    private final NetworkNode networkNode;
+    private final P2PDataStorage p2PDataStorage;
+
+    @Inject
+    public GetInventoryRequestHandler(NetworkNode networkNode, P2PDataStorage p2PDataStorage) {
+        this.networkNode = networkNode;
+        this.p2PDataStorage = p2PDataStorage;
+        networkNode.addMessageListener(this);
+    }
+
+    @Override
+    public void onMessage(NetworkEnvelope networkEnvelope, Connection connection) {
+        if (networkEnvelope instanceof GetInventoryRequest) {
+            GetInventoryRequest getInventoryRequest = (GetInventoryRequest) networkEnvelope;
+
+            Map<String, Integer> numPayloadsByClassName = new HashMap<>();
+            p2PDataStorage.getMapForDataResponse(getInventoryRequest.getVersion()).values().stream()
+                    .map(e -> e.getClass().getSimpleName())
+                    .forEach(className -> {
+                        numPayloadsByClassName.putIfAbsent(className, 0);
+                        int prev = numPayloadsByClassName.get(className);
+                        numPayloadsByClassName.put(className, prev + 1);
+                    });
+            p2PDataStorage.getMap().values().stream()
+                    .map(ProtectedStorageEntry::getProtectedStoragePayload)
+                    .filter(Objects::nonNull)
+                    .map(e -> e.getClass().getSimpleName())
+                    .forEach(className -> {
+                        numPayloadsByClassName.putIfAbsent(className, 0);
+                        int prev = numPayloadsByClassName.get(className);
+                        numPayloadsByClassName.put(className, prev + 1);
+                    });
+
+            GetInventoryResponse getInventoryResponse = new GetInventoryResponse(numPayloadsByClassName);
+            networkNode.sendMessage(connection, getInventoryResponse);
+        }
+    }
+
+    public void shutDown() {
+        networkNode.removeMessageListener(this);
+    }
+}
diff --git a/p2p/src/main/java/bisq/network/p2p/inventory/GetInventoryRequestManager.java b/p2p/src/main/java/bisq/network/p2p/inventory/GetInventoryRequestManager.java
new file mode 100644
index 00000000000..755f2912c03
--- /dev/null
+++ b/p2p/src/main/java/bisq/network/p2p/inventory/GetInventoryRequestManager.java
@@ -0,0 +1,69 @@
+/*
+ * This file is part of Bisq.
+ *
+ * Bisq is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * Bisq is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Bisq. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package bisq.network.p2p.inventory;
+
+import bisq.network.p2p.NodeAddress;
+import bisq.network.p2p.network.NetworkNode;
+
+import bisq.common.handlers.ErrorMessageHandler;
+
+import javax.inject.Inject;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.function.Consumer;
+
+import lombok.extern.slf4j.Slf4j;
+
+@Slf4j
+public class GetInventoryRequestManager {
+    private final NetworkNode networkNode;
+    private final Map<NodeAddress, GetInventoryRequester> requesterMap = new HashMap<>();
+
+    @Inject
+    public GetInventoryRequestManager(NetworkNode networkNode) {
+        this.networkNode = networkNode;
+    }
+
+    public void request(NodeAddress nodeAddress,
+                        Consumer<Map<String, Integer>> resultHandler,
+                        ErrorMessageHandler errorMessageHandler) {
+        if (requesterMap.containsKey(nodeAddress)) {
+            log.warn("There is still an open request pending for {}", nodeAddress.getFullAddress());
+            return;
+        }
+
+        GetInventoryRequester getInventoryRequester = new GetInventoryRequester(networkNode,
+                nodeAddress,
+                resultMap -> {
+                    requesterMap.remove(nodeAddress);
+                    resultHandler.accept(resultMap);
+                },
+                errorMessage -> {
+                    requesterMap.remove(nodeAddress);
+                    errorMessageHandler.handleErrorMessage(errorMessage);
+                });
+        requesterMap.put(nodeAddress, getInventoryRequester);
+        getInventoryRequester.request();
+    }
+
+    public void shutDown() {
+        requesterMap.values().forEach(GetInventoryRequester::shutDown);
+        requesterMap.clear();
+    }
+}
diff --git a/p2p/src/main/java/bisq/network/p2p/inventory/GetInventoryRequester.java b/p2p/src/main/java/bisq/network/p2p/inventory/GetInventoryRequester.java
new file mode 100644
index 00000000000..b43f1d37893
--- /dev/null
+++ b/p2p/src/main/java/bisq/network/p2p/inventory/GetInventoryRequester.java
@@ -0,0 +1,89 @@
+/*
+ * This file is part of Bisq.
+ *
+ * Bisq is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * Bisq is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Bisq. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package bisq.network.p2p.inventory;
+
+import bisq.network.p2p.NodeAddress;
+import bisq.network.p2p.inventory.messages.GetInventoryRequest;
+import bisq.network.p2p.inventory.messages.GetInventoryResponse;
+import bisq.network.p2p.network.Connection;
+import bisq.network.p2p.network.MessageListener;
+import bisq.network.p2p.network.NetworkNode;
+
+import bisq.common.Timer;
+import bisq.common.UserThread;
+import bisq.common.app.Version;
+import bisq.common.handlers.ErrorMessageHandler;
+import bisq.common.proto.network.NetworkEnvelope;
+
+import java.util.Map;
+import java.util.function.Consumer;
+
+import lombok.extern.slf4j.Slf4j;
+
+@Slf4j
+public class GetInventoryRequester implements MessageListener {
+    private final static int TIMEOUT_SEC = 90;
+
+    private final NetworkNode networkNode;
+    private final NodeAddress nodeAddress;
+    private final Consumer<Map<String, Integer>> resultHandler;
+    private final ErrorMessageHandler errorMessageHandler;
+    private Timer timer;
+
+    public GetInventoryRequester(NetworkNode networkNode,
+                                 NodeAddress nodeAddress,
+                                 Consumer<Map<String, Integer>> resultHandler,
+                                 ErrorMessageHandler errorMessageHandler) {
+        this.networkNode = networkNode;
+        this.nodeAddress = nodeAddress;
+        this.resultHandler = resultHandler;
+        this.errorMessageHandler = errorMessageHandler;
+    }
+
+    public void request() {
+        networkNode.addMessageListener(this);
+        timer = UserThread.runAfter(this::onTimeOut, TIMEOUT_SEC);
+        networkNode.sendMessage(nodeAddress, new GetInventoryRequest(Version.VERSION));
+    }
+
+    private void onTimeOut() {
+        errorMessageHandler.handleErrorMessage("Timeout got triggered (" + TIMEOUT_SEC + " sec)");
+        shutDown();
+    }
+
+    @Override
+    public void onMessage(NetworkEnvelope networkEnvelope, Connection connection) {
+        if (networkEnvelope instanceof GetInventoryResponse) {
+            connection.getPeersNodeAddressOptional().ifPresent(peer -> {
+                if (peer.equals(nodeAddress)) {
+                    GetInventoryResponse getInventoryResponse = (GetInventoryResponse) networkEnvelope;
+                    resultHandler.accept(getInventoryResponse.getNumPayloadsMap());
+                    shutDown();
+                }
+            });
+        }
+    }
+
+    public void shutDown() {
+        if (timer != null) {
+            timer.stop();
+            timer = null;
+        }
+        networkNode.removeMessageListener(this);
+    }
+}
diff --git a/p2p/src/main/java/bisq/network/p2p/inventory/messages/GetInventoryRequest.java b/p2p/src/main/java/bisq/network/p2p/inventory/messages/GetInventoryRequest.java
new file mode 100644
index 00000000000..dc26d377742
--- /dev/null
+++ b/p2p/src/main/java/bisq/network/p2p/inventory/messages/GetInventoryRequest.java
@@ -0,0 +1,55 @@
+/*
+ * This file is part of Bisq.
+ *
+ * Bisq is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * Bisq is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Bisq. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package bisq.network.p2p.inventory.messages;
+
+
+import bisq.common.app.Version;
+import bisq.common.proto.network.NetworkEnvelope;
+
+import lombok.Value;
+
+@Value
+public class GetInventoryRequest extends NetworkEnvelope {
+    private final String version;
+
+    public GetInventoryRequest(String version) {
+        this(version, Version.getP2PMessageVersion());
+    }
+
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // PROTO BUFFER
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
+    private GetInventoryRequest(String version, int messageVersion) {
+        super(messageVersion);
+
+        this.version = version;
+    }
+
+    @Override
+    public protobuf.NetworkEnvelope toProtoNetworkEnvelope() {
+        return getNetworkEnvelopeBuilder()
+                .setGetInventoryRequest(protobuf.GetInventoryRequest.newBuilder()
+                        .setVersion(version))
+                .build();
+    }
+
+    public static GetInventoryRequest fromProto(protobuf.GetInventoryRequest proto, int messageVersion) {
+        return new GetInventoryRequest(proto.getVersion(), messageVersion);
+    }
+}
diff --git a/p2p/src/main/java/bisq/network/p2p/inventory/messages/GetInventoryResponse.java b/p2p/src/main/java/bisq/network/p2p/inventory/messages/GetInventoryResponse.java
new file mode 100644
index 00000000000..45b5fbf9929
--- /dev/null
+++ b/p2p/src/main/java/bisq/network/p2p/inventory/messages/GetInventoryResponse.java
@@ -0,0 +1,56 @@
+/*
+ * This file is part of Bisq.
+ *
+ * Bisq is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * Bisq is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Bisq. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package bisq.network.p2p.inventory.messages;
+
+import bisq.common.app.Version;
+import bisq.common.proto.network.NetworkEnvelope;
+
+import java.util.Map;
+
+import lombok.Value;
+
+@Value
+public class GetInventoryResponse extends NetworkEnvelope {
+    private final Map<String, Integer> numPayloadsMap;
+
+    public GetInventoryResponse(Map<String, Integer> numPayloadsMap) {
+        this(numPayloadsMap, Version.getP2PMessageVersion());
+    }
+
+    ///////////////////////////////////////////////////////////////////////////////////////////
+    // PROTO BUFFER
+    ///////////////////////////////////////////////////////////////////////////////////////////
+
+    private GetInventoryResponse(Map<String, Integer> numPayloadsMap, int messageVersion) {
+        super(messageVersion);
+
+        this.numPayloadsMap = numPayloadsMap;
+    }
+
+    @Override
+    public protobuf.NetworkEnvelope toProtoNetworkEnvelope() {
+        return getNetworkEnvelopeBuilder()
+                .setGetInventoryResponse(protobuf.GetInventoryResponse.newBuilder()
+                        .putAllNumPayloadsMap(numPayloadsMap))
+                .build();
+    }
+
+    public static GetInventoryResponse fromProto(protobuf.GetInventoryResponse proto, int messageVersion) {
+        return new GetInventoryResponse(proto.getNumPayloadsMapMap(), messageVersion);
+    }
+}
diff --git a/p2p/src/main/java/bisq/network/p2p/storage/P2PDataStorage.java b/p2p/src/main/java/bisq/network/p2p/storage/P2PDataStorage.java
index 7b9e3714cea..5453c42723a 100644
--- a/p2p/src/main/java/bisq/network/p2p/storage/P2PDataStorage.java
+++ b/p2p/src/main/java/bisq/network/p2p/storage/P2PDataStorage.java
@@ -294,7 +294,7 @@ private Map<ByteArray, PersistableNetworkPayload> getMapForDataRequest() {
         return map;
     }
 
-    private Map<ByteArray, PersistableNetworkPayload> getMapForDataResponse(String requestersVersion) {
+    public Map<ByteArray, PersistableNetworkPayload> getMapForDataResponse(String requestersVersion) {
         Map<ByteArray, PersistableNetworkPayload> map = new HashMap<>();
         appendOnlyDataStoreService.getServices()
                 .forEach(service -> {
diff --git a/proto/src/main/proto/pb.proto b/proto/src/main/proto/pb.proto
index 8d7b152bd27..8323a58c4ac 100644
--- a/proto/src/main/proto/pb.proto
+++ b/proto/src/main/proto/pb.proto
@@ -78,6 +78,9 @@ message NetworkEnvelope {
 
         RefreshTradeStateRequest refresh_trade_state_request = 50 [deprecated = true];
         TraderSignedWitnessMessage trader_signed_witness_message = 51 [deprecated = true];
+
+        GetInventoryRequest get_inventory_request = 52;
+        GetInventoryResponse get_inventory_response = 53;
     }
 }
 
@@ -137,6 +140,16 @@ message Pong {
     int32 request_nonce = 1;
 }
 
+// Inventory
+
+message GetInventoryRequest {
+    string version = 1;
+}
+
+message GetInventoryResponse {
+    map<string, uint32> num_payloads_map = 1;
+}
+
 // offer
 
 message OfferAvailabilityRequest {