A Mule application name Pub uses a persistence object store. The Pub Mule application is deployed to Cloudhub and it configured to use Object Store…

* The Object Store V2 API enables API access to Anypoint Platform Object Store v2.

* You can configure a Mule app to use the Object Store REST API to store and retrieve values from an

object store in another Mule app. However, Object Store v2 is not designed for app-to-app

communication. To share data between two Mule4 apps, use a queue in Anypoint MQ.

* The Object Store v2 APIs enable you to use REST to perform the following:

- Retrieve a list of object stores and keys associated with an application.

- Store and retrieve key-value pairs in an object store.

- Delete key-value pairs from an object store.

- Retrieve Object Store usage statistics for your organization.

- Object Store provides these APIs:

Object Store API

Object Store Stats API

Reference: https://docs.mulesoft.com/object-store/osv2-apis

Additional Info:

When to use Object Store and when to use VM

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