Slack Single Sign-On to WordPress End to End Setup Guide

If you want users to login to your WordPress site using their Slack credentials, you can simply do it using our WP OAuth Client plugin. Once you configure the Slack with WordPress plugin, you can allow users to SSO to your WordPress site using Slack.
Similarly, you can map your WordPress roles based on your Slack attributes/groups. To know more about other features we provide in WP OAuth Client plugin, you can click here.

Follow the Step-by-Step guide to configure Slack with WordPress:

  • First of all, go to and log into your Slack account.
  • You will be presented with following screen. Click on Create new App.
  • Slack 1
  • You will be shown a form where you have to enter Application Name and Development Slack Workspace. Fill the form with appropriate information and click on Create App.
  • Slack 2
  • After creating the slack application, you will be brought to Application Management page. Scroll down to “App Credentials” section. Here you will find given Client ID and Client Secret for your slack application.
  • Slack 3
  • Copy these credentials in MO OAuth Plugin configuration on corresponding fields.
  • Go to OAuth & Permissions
  • Slack 4
  • Add Redirect URL: In slack application's Redirect URLs section, Click on Add New Redirect URL and enter the same from the MO OAuth Client. Click on Save URLs.
  • Slack 5
  • Scope: Go to OAuth & Permissions, select scope from Select Permission Scopes dropdown list and Save Changes. Identity basic is required scope.
  • Slack 6
  • Then, scroll Down to Scopes section and add necessary scopes like so and then click on Save Changes.
    Most importantly, these scopes must be same on the MO OAuth Application Configuration page.
  • Slack 6

    You have successfully completed your Slack App configurations.

  • You can download OAuth Client plugin using the following link.
    OAuth Single Sign On – SSO (OAuth client)

    Slack Endpoints and Scope:

    Client ID : from the step 4 above
    Client Secret : from the step 4 above
    Scope: users.profile:read
    Authorize Endpoint:
    Access Token Endpoint:
    Get User Info Endpoint:

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