---
sourceDocument: Yokohama API Reference
sourceDocumentLink: https://servicenow-prod.fluidtopics.net/r/yokohama/api-reference

 Release :

    - yokohama

ft:locale :

    - en-US

ft:publication_title :

    - Yokohama API Reference

ft:clusterId :

    - crapiref

bundleId :

    - crapiref

workflow :

    - Creator


---

# Interact with the public REST API on a ServiceNow instance

# Interact with the public REST API on a ServiceNow instance {#ariaid-title1}

Release version: Yokohama  
Updated January 30, 2025  
![](https://www.servicenow.com/docs/portal-asset/ico-clock) 1 minute to read  
The Mobile SDK provides functionality that enables iOS applications to
call the public REST API on a ServiceNow instance.
Using the [NowAPIService](https://servicenow-prod.fluidtopics.net/7HWb0HNVLpZwW_MQDRnrOA#NowAPIServiceiOSAPI "The NowAPIService class provides functions that enable you to perform requests to a specified ServiceNow REST API.") API you can interact with any of the base ServiceNow public [REST APIs](https://servicenow-prod.fluidtopics.net/TAobmkBqHSgcySMDV9MoSw "Use REST interfaces to access data on your instance."), or create custom REST APIs within the instance and call those from your iOS application.