API Call to Change a Member's Password

ac_smx -  Unfortunately, there is no API call for update user password.  You only can add a user using REST API  and set a password while adding a new user.   https://community.lithium.com/t5/Developer-Documentation/bd-p/dev-doc-portal?section=commv1&leaf-id=Community.users.add#Community.users.add

https://community.lithium.com/t5/Developer-Documentation/bd-p/dev-doc-portal?section=commv2&collection=users#action-update