The first step is to create a custom SAML App in OKTA for LeadAngel.
In the OKTA Admin Console, go to:
Applications > Applications
Click Create App Integration.

Next, configure the app details.

A SAML 2.0 configuration requires a combination of information from both your org (OKTA) and the LeadAngel app.

Single sign-on URL:
The location to send the SAML assertion using a POST operation.
Enter:
https://app.leadangel.com/uiapi/sso/okta
https://app.leadangel.com/uiapi/sso/authenticatedhttps://app.leadangel.com/uiapi/sso/authenticatedAudience URI (SP Entity ID): Select based on your environment:
https://app.leadangel.com/uiapi/productionhttps://app.leadangel.com/uiapi/sandboxhttps://app.leadangel.com/uiapi/testOther settings:
Click Show advanced settings:
clientid (case sensitive)1001)Click Next.
After creation of the SAML 2.0 app, it will appear in the OKTA Application dashboard.
Go to Sign On → Click View SAML setup instructions.
Copy the following to configure in the LeadAngel application:
After creating the app, you must first assign yourself as a user.

Go to the created app → Assignments → Assign Users to App → Assign to People → Select the application and your account under "People" → Click Next and confirm assignment.

If other team members also need access, in the Admin console, go to the Directory → People → Add person → Add details →Save.

Added user will get a welcome email to Activate Okta Account, once activate, the user name will appear under the People list in the Assign to People page.
Select the users you want to assign and save.
In the LeadAngel application:
https://app.leadangel.com/uiapi/sso/logout
-----BEGIN CERTIFICATE-----
-----END CERTIFICATE-----
It might take up to 5 minutes for the certificate and signature to propagate.