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title: Getting Information About My Organization
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# Getting Information About My Organization

The examples in this section use REST API resources to retrieve organization-level information, such as a list of all objects available in your organization.

-   **[List Available REST API Versions](https://developer.salesforce.com/docs/platform/api-rest/guide/dome-versions.md)**  


    Use the Versions resource to list summary information about each REST API version currently available, including the version, label, and a link to each version's root. You don’t need authentication to retrieve the list of versions.

-   **[List Org Limits](https://developer.salesforce.com/docs/platform/api-rest/guide/dome-limits.md)**  


    Use the Limits resource to list your org limits.

-   **[List Available REST Resources](https://developer.salesforce.com/docs/platform/api-rest/guide/dome-discoveryresource.md)**  


    Use the Resources by Version resource to list the resources available for the specified API version. This provides the name and URI of each additional resource.

-   **[Get a List of Objects](https://developer.salesforce.com/docs/platform/api-rest/guide/dome-describeglobal.md)**  


    Use the Describe Global resource to list the objects available in your org and available to the logged-in user. This resource also returns the org encoding, as well as maximum batch size permitted in queries.

-   **[Get a List of Objects If Metadata Has Changed](https://developer.salesforce.com/docs/platform/api-rest/guide/describe-global-with-ifmodified-header.md)**  


    Use the Describe Global resource and the `If-Modified-Since` HTTP header to determine if an object’s metadata has changed.