Whatsapp integration dont have callback Url!

Help ! I couldnt get callback url in replit.

Error in replit as below:

Error: listen EADDRINUSE: address already in use :::3000
at Server.setupListenHandle [as _listen2] (node:net:1485:16)
at listenInCluster (node:net:1533:12)
at Server.listen (node:net:1621:7)
at Function.listen (/home/runner/example-integration-whatsapp-1/node_modules/express/lib/application.js:635:24)
at Object.<anonymous> (/home/runner/example-integration-whatsapp-1/app.js:39:5)
at Module._compile (node:internal/modules/cjs/loader:1159:14)
at Module._extensions..js (node:internal/modules/cjs/loader:1213:10)
at Module.load (node:internal/modules/cjs/loader:1037:32)
at Module._load (node:internal/modules/cjs/loader:878:12)
at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:81:12)
Emitted 'error' event on Server instance at:
at emitErrorNT (node:net:1512:8)
at process.processTicksAndRejections (node:internal/process/task_queues:82:21) {
code: 'EADDRINUSE',
errno: -98,
syscall: 'listen',
address: '::',
port: 3000
}

Node.js v18.12.1
 Detected change in environment, reloading shell...

And the webhook verfied is not shown.

#whatsapp