diff --git a/packages/core/src/modules/basic-messages/BasicMessagesModule.ts b/packages/core/src/modules/basic-messages/BasicMessagesModule.ts
index fc78e14a1e..d2b4a2a566 100644
--- a/packages/core/src/modules/basic-messages/BasicMessagesModule.ts
+++ b/packages/core/src/modules/basic-messages/BasicMessagesModule.ts
@@ -1,10 +1,11 @@
-import type { ConnectionRecord } from '../connections'
 import type { BasicMessageTags } from './repository/BasicMessageRecord'
 
 import { Lifecycle, scoped } from 'tsyringe'
 
 import { Dispatcher } from '../../agent/Dispatcher'
 import { MessageSender } from '../../agent/MessageSender'
+import { createOutboundMessage } from '../../agent/helpers'
+import { ConnectionService } from '../connections'
 
 import { BasicMessageHandler } from './handlers'
 import { BasicMessageService } from './services'
@@ -13,15 +14,25 @@ import { BasicMessageService } from './services'
 export class BasicMessagesModule {
   private basicMessageService: BasicMessageService
   private messageSender: MessageSender
-
-  public constructor(dispatcher: Dispatcher, basicMessageService: BasicMessageService, messageSender: MessageSender) {
+  private connectionService: ConnectionService
+
+  public constructor(
+    dispatcher: Dispatcher,
+    basicMessageService: BasicMessageService,
+    messageSender: MessageSender,
+    connectionService: ConnectionService
+  ) {
     this.basicMessageService = basicMessageService
     this.messageSender = messageSender
+    this.connectionService = connectionService
     this.registerHandlers(dispatcher)
   }
 
-  public async sendMessage(connection: ConnectionRecord, message: string) {
-    const outboundMessage = await this.basicMessageService.send(message, connection)
+  public async sendMessage(connectionId: string, message: string) {
+    const connection = await this.connectionService.getById(connectionId)
+
+    const basicMessage = await this.basicMessageService.createMessage(message, connection)
+    const outboundMessage = createOutboundMessage(connection, basicMessage)
     await this.messageSender.sendMessage(outboundMessage)
   }
 
diff --git a/packages/core/src/modules/basic-messages/services/BasicMessageService.ts b/packages/core/src/modules/basic-messages/services/BasicMessageService.ts
index 701c0b4a48..31e7b2b232 100644
--- a/packages/core/src/modules/basic-messages/services/BasicMessageService.ts
+++ b/packages/core/src/modules/basic-messages/services/BasicMessageService.ts
@@ -1,5 +1,4 @@
 import type { InboundMessageContext } from '../../../agent/models/InboundMessageContext'
-import type { OutboundMessage } from '../../../types'
 import type { ConnectionRecord } from '../../connections/repository/ConnectionRecord'
 import type { BasicMessageReceivedEvent } from '../BasicMessageEvents'
 import type { BasicMessageTags } from '../repository'
@@ -7,7 +6,6 @@ import type { BasicMessageTags } from '../repository'
 import { Lifecycle, scoped } from 'tsyringe'
 
 import { EventEmitter } from '../../../agent/EventEmitter'
-import { createOutboundMessage } from '../../../agent/helpers'
 import { BasicMessageEventTypes } from '../BasicMessageEvents'
 import { BasicMessageRole } from '../BasicMessageRole'
 import { BasicMessage } from '../messages'
@@ -23,21 +21,20 @@ export class BasicMessageService {
     this.eventEmitter = eventEmitter
   }
 
-  public async send(message: string, connection: ConnectionRecord): Promise<OutboundMessage<BasicMessage>> {
-    const basicMessage = new BasicMessage({
-      content: message,
-    })
+  public async createMessage(message: string, connectionRecord: ConnectionRecord) {
+    const basicMessage = new BasicMessage({ content: message })
 
     const basicMessageRecord = new BasicMessageRecord({
       id: basicMessage.id,
       sentTime: basicMessage.sentTime.toISOString(),
       content: basicMessage.content,
-      connectionId: connection.id,
+      connectionId: connectionRecord.id,
       role: BasicMessageRole.Sender,
     })
 
     await this.basicMessageRepository.save(basicMessageRecord)
-    return createOutboundMessage(connection, basicMessage)
+
+    return basicMessage
   }
 
   /**
diff --git a/packages/core/src/modules/routing/__tests__/mediation.test.ts b/packages/core/src/modules/routing/__tests__/mediation.test.ts
index 0ec02619bb..e3b4352671 100644
--- a/packages/core/src/modules/routing/__tests__/mediation.test.ts
+++ b/packages/core/src/modules/routing/__tests__/mediation.test.ts
@@ -135,7 +135,7 @@ describe('mediator establishment', () => {
     expect(senderRecipientConnection.isReady).toBe(true)
 
     const message = 'hello, world'
-    await senderAgent.basicMessages.sendMessage(senderRecipientConnection, message)
+    await senderAgent.basicMessages.sendMessage(senderRecipientConnection.id, message)
 
     const basicMessage = await waitForBasicMessage(recipientAgent, {
       content: message,
@@ -249,7 +249,7 @@ describe('mediator establishment', () => {
     expect(senderRecipientConnection.isReady).toBe(true)
 
     const message = 'hello, world'
-    await senderAgent.basicMessages.sendMessage(senderRecipientConnection, message)
+    await senderAgent.basicMessages.sendMessage(senderRecipientConnection.id, message)
 
     const basicMessage = await waitForBasicMessage(recipientAgent, {
       content: message,
diff --git a/packages/core/tests/agents.test.ts b/packages/core/tests/agents.test.ts
index 34a00b1084..5923eeab68 100644
--- a/packages/core/tests/agents.test.ts
+++ b/packages/core/tests/agents.test.ts
@@ -63,7 +63,7 @@ describe('agents', () => {
 
   test('send a message to connection', async () => {
     const message = 'hello, world'
-    await aliceAgent.basicMessages.sendMessage(aliceConnection, message)
+    await aliceAgent.basicMessages.sendMessage(aliceConnection.id, message)
 
     const basicMessage = await waitForBasicMessage(bobAgent, {
       content: message,