API integration with Keycloak

Hello,

I am trying to integrate my API on Keycloak. What I would like to do is have my clients login on Grafana using the credentials they already have. The company I work for have their own API and website. I have successfully connected Keycloak to Grafana with oidc however I am not seeing a way to integrate the company’s API so to make sure that the users can use the same credentials to login to grafana and to the companies website. Any help or suggestion would be much appreciated.
Thank you.