diff --git a/Example/IntegrationTests/Chat/ChatTests.swift b/Example/IntegrationTests/Chat/ChatTests.swift
index 4d13b2362..8cafb5a1d 100644
--- a/Example/IntegrationTests/Chat/ChatTests.swift
+++ b/Example/IntegrationTests/Chat/ChatTests.swift
@@ -58,7 +58,7 @@ final class ChatTests: XCTestCase {
         }.store(in: &publishers)
         wait(for: [inviteExpectation], timeout: 4)
     }
-//
+
 //    func testAcceptAndCreateNewThread() async {
 //        await waitClientsConnected()
 //        let newThreadInviterExpectation = expectation(description: "new thread on inviting client expectation")
@@ -70,7 +70,7 @@ final class ChatTests: XCTestCase {
 //        try! await inviter.invite(publicKey: pubKey, peerAccount: inviteeAccount, openingMessage: "opening message", account: inviterAccount)
 //
 //        invitee.invitePublisher.sink { [unowned self] invite in
-//            Task {try! await invitee.accept(inviteId: invite.pubKey)}
+//            Task {try! await invitee.accept(inviteId: invite.id)}
 //        }.store(in: &publishers)
 //
 //        invitee.newThreadPublisher.sink { _ in
@@ -95,7 +95,7 @@ final class ChatTests: XCTestCase {
 //        try! await inviter.invite(publicKey: pubKey, peerAccount: inviteeAccount, openingMessage: "opening message", account: inviterAccount)
 //
 //        invitee.invitePublisher.sink { [unowned self] invite in
-//            Task {try! await invitee.accept(inviteId: invite.pubKey)}
+//            Task {try! await invitee.accept(inviteId: invite.id)}
 //        }.store(in: &publishers)
 //
 //        invitee.newThreadPublisher.sink { [unowned self] thread in
diff --git a/Example/Showcase/Classes/DomainLayer/Chat/ChatService.swift b/Example/Showcase/Classes/DomainLayer/Chat/ChatService.swift
index fbcda14a9..8f312ab56 100644
--- a/Example/Showcase/Classes/DomainLayer/Chat/ChatService.swift
+++ b/Example/Showcase/Classes/DomainLayer/Chat/ChatService.swift
@@ -49,11 +49,11 @@ final class ChatService {
     }
 
     func accept(invite: Invite) async throws {
-        try await client.accept(inviteId: invite.pubKey)
+        try await client.accept(inviteId: invite.id)
     }
 
     func reject(invite: Invite) async throws {
-        try await client.reject(inviteId: invite.pubKey)
+        try await client.reject(inviteId: invite.id)
     }
 
     func invite(peerPubkey publicKey: String, peerAccount: Account, message: String, selfAccount: Account) async throws {
diff --git a/Example/Showcase/Classes/PresentationLayer/InviteList/InviteListPresenter.swift b/Example/Showcase/Classes/PresentationLayer/InviteList/InviteListPresenter.swift
index 2171f43b5..6969e2067 100644
--- a/Example/Showcase/Classes/PresentationLayer/InviteList/InviteListPresenter.swift
+++ b/Example/Showcase/Classes/PresentationLayer/InviteList/InviteListPresenter.swift
@@ -56,7 +56,7 @@ private extension InviteListPresenter {
 
     func loadInvites() async {
         let invites = await interactor.getInvites()
-        self.invites = invites.sorted(by: { $0.pubKey < $1.pubKey })
+        self.invites = invites.sorted(by: { $0.publicKey < $1.publicKey })
             .map { InviteViewModel(invite: $0) }
     }
 }
diff --git a/Sources/Chat/ChatClient.swift b/Sources/Chat/ChatClient.swift
index 0121d5da1..1585c5cb3 100644
--- a/Sources/Chat/ChatClient.swift
+++ b/Sources/Chat/ChatClient.swift
@@ -11,6 +11,7 @@ public class ChatClient {
     private let messagingService: MessagingService
     private let invitationHandlingService: InvitationHandlingService
     private let inviteService: InviteService
+    private let leaveService: LeaveService
     private let kms: KeyManagementService
     private let threadStore: Database<Thread>
     private let messagesStore: Database<Message>
@@ -36,7 +37,7 @@ public class ChatClient {
     public init(registry: Registry,
          relayClient: RelayClient,
          kms: KeyManagementService,
-         logger: ConsoleLogging = ConsoleLogger(loggingLevel: .off),
+                logger: ConsoleLogging = ConsoleLogger(loggingLevel: .debug),
          keyValueStorage: KeyValueStorage) {
         let topicToInvitationPubKeyStore = CodableStore<String>(defaults: keyValueStorage, identifier: StorageDomainIdentifiers.topicToInvitationPubKey.rawValue)
         self.registry = registry
@@ -63,6 +64,7 @@ public class ChatClient {
             kms: kms,
             threadStore: threadStore,
             logger: logger)
+        self.leaveService = LeaveService()
         self.messagesStore = Database<Message>()
         self.messagingService = MessagingService(
             networkingInteractor: networkingInteractor,
@@ -102,7 +104,7 @@ public class ChatClient {
     }
 
     public func reject(inviteId: String) async throws {
-
+        try await invitationHandlingService.reject(inviteId: inviteId)
     }
 
     /// Sends a chat message to an active chat thread
@@ -120,7 +122,7 @@ public class ChatClient {
     }
 
     public func leave(topic: String) async throws {
-        fatalError("not implemented")
+        try await leaveService.leave(topic: topic)
     }
 
     public func getInvites(account: Account) -> [Invite] {
diff --git a/Sources/Chat/Services/RegisterService.swift b/Sources/Chat/HTTPServices/RegisterService.swift
similarity index 100%
rename from Sources/Chat/Services/RegisterService.swift
rename to Sources/Chat/HTTPServices/RegisterService.swift
diff --git a/Sources/Chat/Services/ResolveService.swift b/Sources/Chat/HTTPServices/ResolveService.swift
similarity index 100%
rename from Sources/Chat/Services/ResolveService.swift
rename to Sources/Chat/HTTPServices/ResolveService.swift
diff --git a/Sources/Chat/ProtocolServices/Common/LeaveService.swift b/Sources/Chat/ProtocolServices/Common/LeaveService.swift
new file mode 100644
index 000000000..3b5b0c7ae
--- /dev/null
+++ b/Sources/Chat/ProtocolServices/Common/LeaveService.swift
@@ -0,0 +1,8 @@
+
+import Foundation
+
+class LeaveService {
+    func leave(topic: String) async throws {
+        fatalError("not implemented")
+    }
+}
diff --git a/Sources/Chat/ProtocolServices/Common/MessagingService.swift b/Sources/Chat/ProtocolServices/Common/MessagingService.swift
index 828022a36..0c3031ec5 100644
--- a/Sources/Chat/ProtocolServices/Common/MessagingService.swift
+++ b/Sources/Chat/ProtocolServices/Common/MessagingService.swift
@@ -29,7 +29,8 @@ class MessagingService {
         // TODO - manage author account
         let thread = await threadStore.first {$0.topic == topic}
         guard let authorAccount = thread?.selfAccount else { throw Errors.threadDoNotExist}
-        let message = Message(topic: topic, message: messageString, authorAccount: authorAccount, timestamp: JsonRpcID.generate())
+        let timestamp = Int64(Date().timeIntervalSince1970 * 1000)
+        let message = Message(topic: topic, message: messageString, authorAccount: authorAccount, timestamp: timestamp)
         let request = JSONRPCRequest<ChatRequestParams>(params: .message(message))
         try await networkingInteractor.request(request, topic: topic, envelopeType: .type0)
         Task(priority: .background) {
@@ -53,7 +54,8 @@ class MessagingService {
     private func setUpRequestHandling() {
         networkingInteractor.requestPublisher.sink { [unowned self] subscriptionPayload in
             switch subscriptionPayload.request.params {
-            case .message(let message):
+            case .message(var message):
+                message.topic = subscriptionPayload.topic
                 handleMessage(message)
             default:
                 return
diff --git a/Sources/Chat/ProtocolServices/Invitee/InvitationHandlingService.swift b/Sources/Chat/ProtocolServices/Invitee/InvitationHandlingService.swift
index 26eef88cb..d903ba298 100644
--- a/Sources/Chat/ProtocolServices/Invitee/InvitationHandlingService.swift
+++ b/Sources/Chat/ProtocolServices/Invitee/InvitationHandlingService.swift
@@ -42,7 +42,7 @@ class InvitationHandlingService {
 
         let selfThreadPubKey = try kms.createX25519KeyPair()
 
-        let inviteResponse = InviteResponse(pubKey: selfThreadPubKey.hexRepresentation)
+        let inviteResponse = InviteResponse(publicKey: selfThreadPubKey.hexRepresentation)
 
         let response = JsonRpcResult.response(JSONRPCResponse<AnyCodable>(id: payload.request.id, result: AnyCodable(inviteResponse)))
 
@@ -52,7 +52,7 @@ class InvitationHandlingService {
 
         try await networkingInteractor.respond(topic: responseTopic, response: response)
 
-        let threadAgreementKeys = try kms.performKeyAgreement(selfPublicKey: selfThreadPubKey, peerPublicKey: invite.pubKey)
+        let threadAgreementKeys = try kms.performKeyAgreement(selfPublicKey: selfThreadPubKey, peerPublicKey: invite.publicKey)
 
         let threadTopic = threadAgreementKeys.derivedTopic()
 
@@ -60,16 +60,35 @@ class InvitationHandlingService {
 
         try await networkingInteractor.subscribe(topic: threadTopic)
 
-        logger.debug("Accepting an invite")
+        logger.debug("Accepting an invite on topic: \(threadTopic)")
 
         // TODO - derive account
         let selfAccount = Account("eip155:56:0xe5EeF1368781911d265fDB6946613dA61915a501")!
         let thread = Thread(topic: threadTopic, selfAccount: selfAccount, peerAccount: invite.account)
         await threadsStore.add(thread)
 
+        invitePayloadStore.delete(forKey: inviteId)
+
         onNewThread?(thread)
     }
 
+    func reject(inviteId: String) async throws {
+
+        guard let payload = try invitePayloadStore.get(key: inviteId) else { throw Error.inviteForIdNotFound }
+
+        guard case .invite(let invite) = payload.request.params else {return}
+
+        let responseTopic = try getInviteResponseTopic(payload, invite)
+
+        //TODO - error not in specs yet
+        let error = JSONRPCErrorResponse.Error(code: 0, message: "user rejected")
+        let response = JsonRpcResult.error(JSONRPCErrorResponse(id: payload.request.id, error: error))
+
+        try await networkingInteractor.respond(topic: responseTopic, response: response)
+
+        invitePayloadStore.delete(forKey: inviteId)
+    }
+
     private func setUpRequestHandling() {
         networkingInteractor.requestPublisher.sink { [unowned self] subscriptionPayload in
             switch subscriptionPayload.request.params {
@@ -87,7 +106,7 @@ class InvitationHandlingService {
 
     private func handleInvite(_ invite: Invite, _ payload: RequestSubscriptionPayload) throws {
         logger.debug("did receive an invite")
-        invitePayloadStore.set(payload, forKey: invite.pubKey)
+        invitePayloadStore.set(payload, forKey: invite.publicKey)
         onInvite?(invite)
     }
 
@@ -101,7 +120,7 @@ class InvitationHandlingService {
 
         let selfPubKey = try AgreementPublicKey(hex: selfPubKeyHex)
 
-        let agreementKeysI = try kms.performKeyAgreement(selfPublicKey: selfPubKey, peerPublicKey: invite.pubKey)
+        let agreementKeysI = try kms.performKeyAgreement(selfPublicKey: selfPubKey, peerPublicKey: invite.publicKey)
 
         // agreement keys already stored by serializer
         let responseTopic = agreementKeysI.derivedTopic()
diff --git a/Sources/Chat/ProtocolServices/Inviter/InviteService.swift b/Sources/Chat/ProtocolServices/Inviter/InviteService.swift
index 860b50a40..f3a5d32b9 100644
--- a/Sources/Chat/ProtocolServices/Inviter/InviteService.swift
+++ b/Sources/Chat/ProtocolServices/Inviter/InviteService.swift
@@ -25,13 +25,16 @@ class InviteService {
     }
 
     var peerAccount: Account!
+
     func invite(peerPubKey: String, peerAccount: Account, openingMessage: String, account: Account) async throws {
         // TODO ad storage
         self.peerAccount = peerAccount
         let selfPubKeyY = try kms.createX25519KeyPair()
-        let invite = Invite(message: openingMessage, account: account, pubKey: selfPubKeyY.hexRepresentation)
+        let invite = Invite(message: openingMessage, account: account, publicKey: selfPubKeyY.hexRepresentation)
         let symKeyI = try kms.performKeyAgreement(selfPublicKey: selfPubKeyY, peerPublicKey: peerPubKey)
         let inviteTopic = try AgreementPublicKey(hex: peerPubKey).rawRepresentation.sha256().toHexString()
+
+        // overrides on invite toipic
         try kms.setSymmetricKey(symKeyI.sharedKey, for: inviteTopic)
 
         let request = JSONRPCRequest<ChatRequestParams>(params: .invite(invite))
@@ -42,7 +45,6 @@ class InviteService {
         try kms.setSymmetricKey(symKeyI.sharedKey, for: responseTopic)
 
         try await networkingInteractor.subscribe(topic: responseTopic)
-
         try await networkingInteractor.request(request, topic: inviteTopic, envelopeType: .type1(pubKey: selfPubKeyY.rawRepresentation))
 
         logger.debug("invite sent on topic: \(inviteTopic)")
@@ -67,7 +69,9 @@ class InviteService {
                 let inviteResponse = try jsonrpc.result.get(InviteResponse.self)
                 logger.debug("Invite has been accepted")
                 guard case .invite(let inviteParams) = response.requestParams else { return }
-                Task { try await createThread(selfPubKeyHex: inviteParams.pubKey, peerPubKey: inviteResponse.pubKey, account: inviteParams.account, peerAccount: peerAccount)}
+                Task(priority: .background) {
+                    try await createThread(selfPubKeyHex: inviteParams.publicKey, peerPubKey: inviteResponse.publicKey, account: inviteParams.account, peerAccount: peerAccount)
+                }
             } catch {
                 logger.debug("Handling invite response has failed")
             }
diff --git a/Sources/Chat/Types/ChatRequestParams.swift b/Sources/Chat/Types/ChatRequestParams.swift
index ad6cad328..94d6d7ccd 100644
--- a/Sources/Chat/Types/ChatRequestParams.swift
+++ b/Sources/Chat/Types/ChatRequestParams.swift
@@ -2,8 +2,35 @@ import Foundation
 import WalletConnectUtils
 
 enum ChatRequestParams: Codable, Equatable {
+    enum Errors: Error {
+        case decoding
+    }
     case invite(Invite)
     case message(Message)
+
+    private enum CodingKeys: String, CodingKey {
+        case invite
+        case message
+    }
+
+    func encode(to encoder: Encoder) throws {
+        switch self {
+        case .invite(let invite):
+            try invite.encode(to: encoder)
+        case .message(let message):
+            try message.encode(to: encoder)
+        }
+    }
+
+    init(from decoder: Decoder) throws {
+        if let invite = try? Invite(from: decoder) {
+            self = .invite(invite)
+        } else if let massage = try? Message(from: decoder) {
+            self = .message(massage)
+        } else {
+            throw Errors.decoding
+        }
+    }
 }
 
 extension JSONRPCRequest {
@@ -11,9 +38,9 @@ extension JSONRPCRequest {
         var method: String!
         switch params {
         case .invite:
-            method = "invite"
+            method = "wc_chatInvite"
         case .message:
-            method = "message"
+            method = "wc_chatMessage"
         }
         self.init(id: id, method: method, params: params)
     }
diff --git a/Sources/Chat/Types/InviteParams.swift b/Sources/Chat/Types/InviteParams.swift
index 2851884a4..f5b0f7180 100644
--- a/Sources/Chat/Types/InviteParams.swift
+++ b/Sources/Chat/Types/InviteParams.swift
@@ -2,11 +2,14 @@ import WalletConnectUtils
 import Foundation
 
 struct InviteResponse: Codable {
-    let pubKey: String
+    let publicKey: String
 }
 
 public struct Invite: Codable, Equatable {
+    public var id: String {
+        return publicKey
+    }
     public let message: String
     public let account: Account
-    public let pubKey: String
+    public let publicKey: String
 }
diff --git a/Sources/Chat/Types/Message.swift b/Sources/Chat/Types/Message.swift
index a846ec92f..f3ffabb5e 100644
--- a/Sources/Chat/Types/Message.swift
+++ b/Sources/Chat/Types/Message.swift
@@ -2,8 +2,29 @@ import Foundation
 import WalletConnectUtils
 
 public struct Message: Codable, Equatable {
-    public var topic: String
+    internal init(topic: String? = nil, message: String, authorAccount: Account, timestamp: Int64) {
+        self.topic = topic
+        self.message = message
+        self.authorAccount = authorAccount
+        self.timestamp = timestamp
+    }
+
+    public var topic: String?
     public let message: String
     public let authorAccount: Account
     public let timestamp: Int64
+
+    enum CodingKeys: String, CodingKey {
+        case topic
+        case message
+        case authorAccount
+        case timestamp
+    }
+
+    public func encode(to encoder: Encoder) throws {
+        var container = encoder.container(keyedBy: CodingKeys.self)
+        try container.encode(message, forKey: .message)
+        try container.encode(authorAccount, forKey: .authorAccount)
+        try container.encode(timestamp, forKey: .timestamp)
+    }
 }
diff --git a/Sources/WalletConnectUtils/JSONRPC/JSONRPCRequest.swift b/Sources/WalletConnectUtils/JSONRPC/JSONRPCRequest.swift
index 4518d0793..2c3f57bb9 100644
--- a/Sources/WalletConnectUtils/JSONRPC/JSONRPCRequest.swift
+++ b/Sources/WalletConnectUtils/JSONRPC/JSONRPCRequest.swift
@@ -7,7 +7,7 @@ public struct JSONRPCRequest<T: Codable&Equatable>: Codable, Equatable {
     public let method: String
     public let params: T
 
-    enum CodingKeys: CodingKey {
+    public enum CodingKeys: CodingKey {
         case id
         case jsonrpc
         case method