Can SignTime be integrated with other systems (ex. CRM systems)? Midori May 19, 2023 04:43 Updated We offer Web-APIs (additional monthly fee) that can be used to integrate SignTime into your system. *About SignTitm API Related articles About SignTime API What languages do you support? Can I use my company stamp as a Hanko (seal impression)? Do you have a timestamp feature? Is there a difference in legal validity depending on the signature method?