Telegram node error related to ports

[Hiko900]

Hi, i am starting with n8n, i managed to install it on Heroku, using the npm version, not docker. When i try to use the telegram trigger node, it shows this error:
Show Details Telegram Trigger: Bad Request: bad webhook: Webhook can be set up only on ports 80, 88, 443 or 8443

i checked my Heroku config, and the prot, is set to 443, it says:
N8N_PORT 443. in the Heroku´s settings.

So i don´t understand why it keeps failing, other nodes like OpenAi, connected and worked properly retriving the info.
When i run n8n locally with --tunnel, the telegram trigger works.

Sorry if i am duplicating the post, i saw another post related to the same issue but was very old and unanswerd.

Thanks.

[n8n]

It looks like your topic is missing some important information. Could you provide the following if applicable.

• n8n version:
• Database (default: SQLite):
• n8n EXECUTIONS_PROCESS setting (default: own, main):
• Running n8n via (Docker, npm, n8n cloud, desktop app):
• Operating system:

[Hiko900]

Is Running via npm on Heroku, im not sure about the version but i installed it yesterday so it should be the latest. I did not configured a database yet.

[netroy]

In the telegram node, you can see the webhook urls at the top.
Can you check what port that url is using?

[Hiko900]

Thanks for answering. Oh i see, in the webhook url you mentioned, it says :53490, why is it not taking the one configured? Also, i can not edit the url in the image you posted, right?

Also i checked the n8n version: n8n Version 1.51.0

[Jon]

Hey @Hiko900

You would need to set the url using the WEBHOOK_URL env option excluding the port and make sure that your instance can be accessed on that url. If it says :53490 it would suggest you have this set somewhere in an option.

[Hiko900]

Worked like a charm! Setting that environment variable on Heroku modified the url in the webhook removing the port and now it works! Thanks for the help!