What is the correct private networking address?

Question

> Project ID: 242eb0e5-3dee-4515-ae8f-b0f7dffc2fa1

Hi there. I have two services in my project: a backend (API) and a frontend (Streamlit web app). The API is deployed on port 8000. I want my API to be reachable publicly but I'm also try to connect my web app internally to it through the private address.

- The settings of the backend service give me the `veryfire-api.railway.internal` address (or just `veryfire-api`) for private networking
- My web app is trying to reach the API on `http://veryfire-api.railway.internal:8000/v1` -- I have tried with `http` and `https` and with and without the `:8000` port suffix.

Still my web app is unable to connect and gives me this error:
```
HTTPConnectionPool(host='veryfire-api.railway.internal', port=8000): Max retries exceeded with url: /v1/token (Caused by NewConnectionError(': Failed to establish a new connection: [Errno 111] Connection refused'))
```

The [docs](https://docs.railway.com/reference/private-networking) but give much info, I'm beating about the bush a bit but perhaps someone who users private networking can give me a hand?

It works fine if I use the public/external address (both from my web app and other clients). Not a huge problem but it would be nice if I could make private networking work.

Thanks in advance.
Cheers! Manuel
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