# Authentication ## login - [POST /login/{tenant_tag}](https://ledger.docs.insly.com/apis/identifier/swagger/authentication/login.md): Authenticates user and returns tokens or challenge in case of success. ## client-token - [POST /token/client/{tenant_tag}](https://ledger.docs.insly.com/apis/identifier/swagger/authentication/client-token.md): Generate an access token for app client