One Identity is a product, delivered as a service, that simplifies the implementation of SPID and CIE authentication for PagoPA products. It manages interaction with identity suppliers, ensuring compliance with the required standards and relieving individual products of this complexity.

Main functionalities
* Full management of the SPID and CIE login: The product covers all the technical aspects of authentication, allowing PagoPA products to integrate easily.
* Support to professional SPID: In addition to the citizen, it also supports authentication for companies.
* Compliance with standards: One Identity adheres to SAML Standard 2.0 and its SPID dialect, ensuring interoperability with identity providers.
* Aggregation of PagoPA services: Supports the aggregation of services as provided for by AgID, simplifying identity management for PagoPA products.