---
sourceDocument: Zurich Platform security
sourceDocumentLink: https://www.servicenow.com/docs/r/zurich/platform-security

 Release :

    - zurich

ft:locale :

    - en-US

ft:publication_title :

    - Zurich Platform security

ft:clusterId :

    - psec

bundleId :

    - psec

workflow :

    - Platform


---

# Certificate based authentication

# Certificate based authentication {#ariaid-title1}

Release version: Zurich  
Updated July 31, 2025  
![](https://www.servicenow.com/docs/portal-asset/ico-clock) 1 minute to read  
Certificate-based authentication lets you mutually authenticate inbound API requests using certificates from a trusted Certificate Authority (CA).

Certificate-based authentication for Inbound web services

:   Authenticate inbound requests to ServiceNow SOAP and REST APIs. To set up mutual authentication for inbound web services, see [Set up Certificate-based authentication](https://www.servicenow.com/docs/ruoqmGcDDeRau6PK1fOceQ#set-up-mutual-auth "Set up mutual authentication for either user interface-based logins or inbound web services.").