How to Hide an API Key in Client-Side Javascript

Question

Right now I am writing a client-side javascript app that makes a request to the USPS Price Calculator API. In order to make this request, I need to provide my API User ID i

Answer 1

In short: No, you can't secure your API key in a client-side app.

This article goes into some more detail

Two options

• Make the API calls server-side and then serve information to the client from there
• Require the client use their own API keys