Intro to Programming and Data Science (Fall 2023)/Reddit authentication setup

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We're going to be using Reddit as a context for learning to gather web data.

Like many APIs, in order to use the Reddit API, you need a developer account. This is pretty easy on Reddit.

  1. Create a reddit account at
  2. Go to and click "Create an app"
  3. Enter the following (or similar):
    • Name: COM 674 Project App
    • Description: This bot will be used to collect data as part of a course at Purdue University.
    • About URL: LEAVE BLANK
    • Redirect URL: http://localhost:8080 (We won't actually be using this)
    • For the application type, select "Script" and submit.
  4. Create a new .py file called that looks something like:
   client_id = "_anb-dsxipuqf7jA9wzeMqZ"
   client_secret = "4kXxiBOFdPY1HBw4843sgm6oiTYbWkFgz"
   user_agent = "python:COM 674 class project:v1.0 (by /u/yourusername)"
   username = "yourusername"
   password = "yourpassword"
  • The client_id is found at the top left of the apps page, under your app's name. The client secret is right under that.

We'll use this authentication file in the future.