Coupa cloud application

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Using Security Assertion Markup Language (SAML), your users can use their Google Cloud credentials to sign in to enterprise-cloud applications.

Set up SSO via SAML for Coupa

Here's how to set up single sign-on (SSO) via SAML for the Coupa application.

Step 1: Set up Coupa as a SAML 2.0 service provider (SP)
  1. Sign in to your Google Admin console.

    Sign in using an account with super administrator privileges (does not end in @gmail.com).

  2. From the Admin console Home page, go to Securityand thenSet up single sign-on (SSO) for SAML applications.

    You must be signed in as a super administrator for this task.

  3. Download the Google IdP metadata and the X.509 Certificate.
  4. In a new browser tab, sign into Coupa as an administrator.
  5. Go to https://{coupa instance}/administration/security, replacing {coupa instance} with the URL you use to access your Coupa account.
  6. Check the Log in using SAML checkbox.
  7. Upload the Google IdP metadata and the X.509 Certificate you downloaded in Step 3.
  8. Click Save and proceed to the next section to set up Google as a SAML identity provider (IdP).
Step 2: Set up Google as a SAML identity provider (IdP)
  1. Sign in to your Google Admin console.

    Sign in using an account with super administrator privileges (does not end in @gmail.com).

  2. From the Admin console Home page, go to Appsand thenWeb and mobile apps.
  3. Click Add appand thenSearch for apps.
  4. Enter Coupa in the search field.
  5. In the search results, hover over the Coupa SAML app and click Coupa.
  6. On the Google Identity Provider details page, click Continue.
  7. On the Service provider details page, replace {coupa instance URL} in the Start URL field with the URL you use to access your Coupa account.
  8. Click Continue.

    Note: Attribute mapping is not required for Coupa.

  9. On the Attribute mapping page, click Finish.
Step 3: Enable the Coupa app
  1. Sign in to your Google Admin console.

    Sign in using an account with super administrator privileges (does not end in @gmail.com).

  2. From the Admin console Home page, go to Appsand thenWeb and mobile apps.
  3. Select Coupa.
  4. Click User access.
  5. To turn on or off a service for everyone in your organization, click On for everyone or Off for everyone, and then click Save.

  6. (Optional) To turn a service on or off for an organizational unit:

    1. At the left, select the organizational unit.
    2. Select On or Off.
    3. Click Override to keep your setting if the service for the parent organizational unit is changed.
    4. If Overridden is already set for the organizational unit, choose an option:
      • Inherit—Reverts to the same setting as its parent.
      • Save—Saves your new setting (even if the parent setting changes).

    Learn more about organizational structure.

  7. (Optional) Turn on the service for a group of users.
    Use access groups to turn on a service for specific users within or across your organizational units. Learn more

  8. Ensure that your Coupa user account email IDs match those in your Google domain.
Step 4: Verify that the SSO is working

Coupa supports both Identity Provider (IdP) initiated and Service Provider (SP) initiated SSO. Follow these steps to verify SSO in either mode:

IdP-initiated

  1. Sign in to your Google Admin console.

    Sign in using an account with super administrator privileges (does not end in @gmail.com).

  2. From the Admin console Home page, go to Appsand thenWeb and mobile apps.
  3. Select Coupa.
  4. At the top left, click Test SAML login

    Coupa should open in a separate tab. If it doesn’t, use the information in the resulting SAML error messages to update your IdP and SP settings as needed, then retest SAML login.

SP-initiated

  1. Open the Coupa Instance URL googleidentity.coupacloud.com.
    You should be automatically redirected to the Google sign in page.
  2. Enter your sign in credentials.
  3. After your sign in credentials are authenticated you will be automatically redirected back to Coupa.


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