diff --git a/packages/api/src/routers/svc/text_to_speech.ts b/packages/api/src/routers/svc/text_to_speech.ts
index 8f597c652..61098e86f 100644
--- a/packages/api/src/routers/svc/text_to_speech.ts
+++ b/packages/api/src/routers/svc/text_to_speech.ts
@@ -9,11 +9,7 @@ import { getPageById } from '../../elastic/pages'
 import { Speech, SpeechState } from '../../entity/speech'
 import { buildLogger } from '../../utils/logger'
 import { getClaimsByToken } from '../../utils/auth'
-import {
-  setSpeechFailure,
-  shouldSynthesize,
-  synthesize,
-} from '../../services/speech'
+import { shouldSynthesize, synthesize } from '../../services/speech'
 import { readPushSubscription } from '../../datalayer/pubsub'
 
 const logger = buildLogger('app.dispatch')
@@ -79,58 +75,41 @@ export function speechServiceRouter() {
   router.options('/', cors<express.Request>({ ...corsConfig, maxAge: 600 }))
   // eslint-disable-next-line @typescript-eslint/no-misused-promises
   router.post('/', async (req, res) => {
-    logger.info('Synthesize svc request', {
+    logger.info('Updating speech', {
       // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment
       body: req.body,
     })
+    let userId: string
     const token = req.query.token as string
     try {
-      if (!(await getClaimsByToken(token))) {
+      const claims = await getClaimsByToken(token)
+      if (!claims) {
         logger.info('Unauthorized request', { token })
-        return res.status(200).send('UNAUTHORIZED')
+        return res.status(401).send('UNAUTHORIZED')
       }
+      userId = claims.uid
     } catch (error) {
       logger.error('Unauthorized request', { token, error })
-      return res.status(200).send('UNAUTHORIZED')
+      return res.status(401).send('UNAUTHORIZED')
     }
 
-    const { userId, speechId } = req.body as {
-      userId: string
+    const { speechId, audioFileName, speechMarksFileName } = req.body as {
       speechId: string
+      audioFileName: string
+      speechMarksFileName: string
     }
-    if (!userId || !speechId) {
-      return res.status(200).send('Invalid data')
+    if (!speechId || !audioFileName || !speechMarksFileName) {
+      return res.status(400).send('Invalid data')
     }
 
-    logger.info(`Create article speech`, {
-      body: {
-        userId,
-        speechId,
-      },
-      labels: {
-        source: 'CreateArticleSpeech',
-      },
+    // set state to completed
+    await getRepository(Speech).update(speechId, {
+      audioFileName: audioFileName,
+      speechMarksFileName: speechMarksFileName,
+      state: SpeechState.COMPLETED,
     })
-    const speech = await getRepository(Speech).findOneBy({
-      id: speechId,
-      user: { id: userId },
-    })
-    if (!speech) {
-      return res.status(200).send('Speech not found')
-    }
 
-    const page = await getPageById(speech.elasticPageId)
-    if (!page) {
-      await setSpeechFailure(speech.id)
-      return res.status(200).send('Page not found')
-    }
-
-    try {
-      await synthesize(page, speech)
-    } catch (error) {
-      logger.error(`Error synthesizing article`, { error })
-      res.status(500).send('Error synthesizing article')
-    }
+    res.send('OK')
   })
 
   return router
diff --git a/packages/text-to-speech/package.json b/packages/text-to-speech/package.json
index 14ccdd9e3..3e3901bc4 100644
--- a/packages/text-to-speech/package.json
+++ b/packages/text-to-speech/package.json
@@ -25,7 +25,6 @@
   },
   "dependencies": {
     "@google-cloud/functions-framework": "3.1.2",
-    "@google-cloud/pubsub": "^2.18.4",
     "@google-cloud/storage": "^6.4.1",
     "@sentry/serverless": "^6.16.1",
     "axios": "^0.27.2",
diff --git a/packages/text-to-speech/src/index.ts b/packages/text-to-speech/src/index.ts
index b10172f92..ec3f8403a 100644
--- a/packages/text-to-speech/src/index.ts
+++ b/packages/text-to-speech/src/index.ts
@@ -15,7 +15,8 @@ import {
   SpeechSynthesisResult,
   SpeechSynthesizer,
 } from 'microsoft-cognitiveservices-speech-sdk'
-import { PubSub } from '@google-cloud/pubsub'
+import axios from 'axios'
+import * as jwt from 'jsonwebtoken'
 
 interface TextToSpeechInput {
   id: string
@@ -43,8 +44,6 @@ interface SpeechMark {
 }
 
 const storage = new Storage()
-const pubsub = new PubSub()
-const SPEECH_UPDATE_TOPIC = 'speech-update'
 
 const uploadToBucket = async (
   filePath: string,
@@ -59,18 +58,25 @@ const createGCSFile = (bucket: string, filename: string): File => {
   return storage.bucket(bucket).file(filename)
 }
 
-const updateSpeech = (
+const updateSpeech = async (
   speechId: string,
   audioFileName: string,
-  speechMarksFileName: string
-): Promise<string | undefined> => {
-  return pubsub
-    .topic(SPEECH_UPDATE_TOPIC)
-    .publishMessage({ json: { speechId, audioFileName, speechMarksFileName } })
-    .catch((err) => {
-      console.error('error publishing speech update:', err)
-      return undefined
-    })
+  speechMarksFileName: string,
+  token: string
+): Promise<boolean> => {
+  if (!process.env.REST_BACKEND_ENDPOINT) {
+    throw new Error('backend rest api endpoint not exists')
+  }
+  const response = await axios.post(
+    `${process.env.REST_BACKEND_ENDPOINT}/svc/text-to-speech?token=${token}`,
+    {
+      speechId,
+      audioFileName,
+      speechMarksFileName,
+    }
+  )
+
+  return response.status === 200
 }
 
 const synthesizeTextToSpeech = async (
@@ -375,17 +381,29 @@ const htmlElementToSsml = ({
 export const textToSpeechHandler = Sentry.GCPFunction.wrapHttpFunction(
   async (req, res) => {
     console.debug('New text to speech request', req)
+    const token = req.query.token as string
+    if (!process.env.JWT_SECRET) {
+      console.error('JWT_SECRET not exists')
+      return res.status(500).send('JWT_SECRET not exists')
+    }
+    try {
+      jwt.verify(token, process.env.JWT_SECRET)
+    } catch (e) {
+      console.error(e)
+      return res.status(200).send('UNAUTHENTICATED')
+    }
     const input = req.body as TextToSpeechInput
     const { audioFileName, speechMarksFileName } = await synthesizeTextToSpeech(
       input
     )
-    const result = await updateSpeech(
+    const updated = await updateSpeech(
       input.id,
       audioFileName,
-      speechMarksFileName
+      speechMarksFileName,
+      token
     )
 
-    if (!result) {
+    if (!updated) {
       return res.status(500).send('Failed to update speech')
     }
     res.send('OK')