Digital Signature

The API has been replaced by the endpoints available in eSignature

The API has been replaced by the endpoints available in eSignature

Deprecated starting from 2026-12-31

As part of the service internationalization, the Digital Signature API has been replaced by the new endpoints available in the eSignature API. The documentation will no longer be updated, and the API will be deprecated on 12/31/2026. Migrate in just a few seconds!


The Digital Signature API allows you to request different signature services (electronic, qualified and digital) and to activate digital identities. 

With Digital Signature you can in particular:

  • Activate Personal SPID (1st and 2nd level with OTP) with video recognition
  • Integrate the Simple Electronic Signature service with OTP and Massive Signature (on request)
  • Request digital signatures of any type

With Openapi you have access to a wide range of signature devices, with no brand constraints and no purchase commitments. Access the best rates for our APIs right away.

The InfoCert signature solutions available on Openapi are:

  • InfoCert Smart Card (with CNS or Authentication Certificate)
  • InfoCert Business Key (with CNS or Authentication Certificate)
  • Digital Signature Kit (with CNS or Authentication Certificate)
  • InfoCert Remote Signature
  • Subscription Renewal
  • CNS Certificate Renewal
  • Foreign Remote Signature (i.e. activated from abroad and with landing page in English)

CNS Smart Card, CNS Business Key and Remote Signature can also be purchased with InfoCert Video Recognition service.

The Aruba digital signature solutions available on Openapi are:

  • Smart Card CNS
  • Aruba Key CNS
  • Aruba Renewal
  • Remote Digital Signature OTP Mobile and Display
  • Video Recognition

You can also request the Smart Card reader