Proxy Error from backend API to frontend react app

Proxy error: Could not proxy request /api/v1/products from
localhost:3000 to
See for more information (ETIMEDOUT).

this error keep on coming.
Frontend -> React
Backend-> Express, nodejs


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Method 1

I faced a similar issue but in the Mac machine. I changed localhost to and that worked for me.

For Windows:

"proxy": {
  "/auth/google": {
    "target": "localhost:5000"

For Mac:

"proxy": {
  "/auth/google": {
    "target": ""

Method 2

I just changed "proxy": "" to "proxy": "" and this worked for me now…

This is done on windows

All methods was sourced from or, is licensed under cc by-sa 2.5, cc by-sa 3.0 and cc by-sa 4.0

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