Configure a custom URL domain
You can customize your Okta org by replacing the Okta domain name with your own URL domain name. With your branding on all URLs, you can create a seamless experience for your users. For example, if the URL of your Okta org is https://example.okta.com, you can configure a custom URL for the org such as https://id.example.com.
When you have finished customizing the URL, you can share it with your end users. Be sure to share the URL exactly as you customized it, and do not use redirect URLs to point end users to it; redirect URLs do not work.
Disabling a custom URL domain resets the issuer mode of Identity Providers, Authorization Servers, and OIDC apps to your org's original URL.