The Service Provider (SP) metadata can be retrieved from the following path, provided SAML authentication is enabled:
https://YOURDOMAIN/saml/metadata
Use the above URL to obtain the metadata of the IdP that is configured as the default in VIMP. By adding the "idp" parameter, you can query the metadata of specific additionally configured IdPs.
https://YOURDOMAIN/saml/metadata?idp=IDPNAME