
JamesC.99903 (Customer) asked a question.
Passwordless Authentication API
Assuming a trusted application making calls to the Okta API with an API token (Super Admin), is there a way to authenticate a user WITHOUT passing the login/password ie MFA challenge only?

As in the UI it is possible to authenticate without using a password, but with only MFA factors as per the Passwordless feature (factor sequencing), unfortunately, this cannot be done within the API calls where a valid password should always be provided.
If you want to read more about passwordless authentication in the UI, please check out these links:
https://help.okta.com/en/prod/Content/Topics/Security/mfa-factor-sequencing.htm
https://www.okta.com/resources/whitepaper/how-to-go-passwordless-with-okta/
https://www.okta.com/demos/passwordless-authentication-with-okta/
Factor sequenceing will do it
but just get api key then no user/password