Search Results :


Slack SAML Single Sign-On (SSO) | Login into Slack using WordPress


Slack SSO - Login using WordPress Users (WP as SAML IDP) Plugin enables Single Sign-On (SSO) login into Slack using WordPress Login credentials. In this guide we will Setup SAML Single Sign-On (SSO) with WordPress in Slack by configuring Slack as Service Provider (SP) and WordPress as Identity Provider (IDP).

Note: Premium Version of WP SAML IDP Plugin is required to set up SSO with Slack.

Pre-requisites: Download And Installation

To integrate the WordPress site as an Identity Provider, you will need to install the miniOrange Login using WordPress Users (WP as SAML IDP) plugin:

add-wordpress sso download plugin
Login using WordPress Users ( WP as SAML IDP )
By miniOrange

Single Sign-On (SSO) login with WordPress Users into any Service Provider like Tableau, Zoho, Zoom, Moodle, Canvas LMS, Absorb LMS, TalentLMS, etc.

 Tested with 6.5.2

Guide to configure Slack Single Sign-On (SSO) Login with WordPress

1. Setup Slack as SP (Service Provider)

  • Go to the WordPress IDP plugin, navigate to the IDP Metadata tab.
  • Here, you can find the Identity Provider Metadata URL /XML Metadata or endpoints like IDP Entity ID, SAML Login URL, SAML Logout URL (Premium Feature), Certificate for SP configuration.
  • Configure SAML SSO in Slack (SP) with WordPress - Slack WordPress SSO Login
  • Open a new browser tab or window, Log in to your Slack account as Account Admin.
  • Go to Settings & administration and select Workplace settings.
  • Selct workplace settings - SSO Login with WordPress
  • Select Authentication and click on Configure for SAML Authentication.
  • Configure SAML Authentication - SSO Login with WordPress
  • Enter the following values in the respective fields:
  • SAML 2.0 Endpoint (HTTP) You can find this in IDP Metadata tab as SAML Login URL
    Identity Provider Issuer You can find this in IDP Metadata tab as IDP-EntityID
    Public Certificate You can find this in IDP Metadata tab as Certificate
    Enter required details - SSO Login with WordPress
  • Under Advanced Options, use the default value for the Service Provider Issuer, it must be
  • use of default value - SSO Login with WordPress
  • Under Settings, select the desired options for SAML Authentication for users and workspace.
  • Note: It's recommended to use 'It’s optional' for the Authentication for your workspace must be used by until the SAML configuration is fully tested. This will allow you to use both – username/password and SAML authentication options.

  • Click on Save Configuration.
  • Save Configuration - SSO Login with WordPress

You have successfully configured Slack as Service Provider.

2. Configure WordPress (WP) as IdP (Identity Provider)

  • In the WordPress IDP plugin, navigate to the Service Provider tab and enter the values corresponding to the information from Slack.
  • Service Provider Name Slack
    SP Entity ID or Issuer
    ACS URL https://<>/sso/saml
    NameID Format urn:oasis:names:tc:SAML:1.1:nameid-format:emailAddress
    Assertion Signed Check to sign the SAML Assertion.
    WordPress details - SSO Login with WordPress
  • Click on the Save button to save your configuration.

3. Attribute Mapping (This is a premium feature)

  • In the WordPress IDP plugin, navigate to the Attribute/Role Mapping tab.
  • In the User Attributes section, enter the following information and click on Save .
  • You can also add more attributes by clicking on + sign to add attributes.
  • Name User Meta Data
    User.Email user_email
    User.Username user_login
    first_name first_name
    last_name last_name
    WP Attribute Mapping - SSO Login with WordPress

In this Guide, you have successfully integrated Slack - SAML Single Sign-On (SSO) with plugin- Login using WordPress Users (WP as SAML IDP). Configuring Slack as SP and WordPress as IDP. This solution ensures that you are ready to roll out secure Single Sign-On (SSO) access with SAML 2.0 Authentication into Slack using WordPress login credentials.

Additional Resources

We offer Secure Identity Solutions for Single Sign-On, Two Factor Authentication, Adaptive MFA, Provisioning, and much more. Please contact us at

 +1 978 658 9387 (US) | +91 97178 45846 (India)

Hello there!

Need Help? We are right here!

Contact miniOrange Support

Thanks for your inquiry.

If you dont hear from us within 24 hours, please feel free to send a follow up email to