---
schema_version: "1"
id: 818b8adcc9339740e70221191259197f21bf8897f17f616d8a1e1e11c493b93d
title: OData Reference for Salesforce Connect OData Adapters
collection: admin
version: current
locale: en-us
portal_url: https://docs.salesforce.com/admin/current/en-us/platform/264-0-0/odata_reference.md
canonical_url: https://help.salesforce.com/s/articleView?id=platform.odata_reference.htm&release=264.0.0&type=5
source_site: help.salesforce.com
content_type: documentation
content_hash: 01af4a83034b37c600a7c4c267edbf2106bb762a814a5408905111ffad3aa558
description: Get to know the Salesforce implementation of the OData protocol for accessing external systems with Salesforce Connect.
products:
  - Salesforce Platform
  - Security
release: "264"
---
# OData Reference for Salesforce Connect OData Adapters

Get to know the Salesforce implementation of the OData protocol for accessing external systems with Salesforce Connect.

### Required Editions

<table class="slds-table slds-table_bordered slds-max-medium-table_stacked slds-m-bottom_small edition">
      <colgroup>
        <col>
      </colgroup>
      <tbody>
        <tr class="">
          <td class="slds-cell-wrap" style="vertical-align:top;">Available in: both Salesforce Classic and Lightning Experience (not for high-data-volume
            external objects)</td>

        </tr>
        <tr class="">
          <td class="slds-cell-wrap" style="vertical-align:top;">
            <p>Available in: <strong>Developer</strong> Edition</p>
            <p style="margin-bottom:0;">Available for an extra cost
              in: <strong>Enterprise</strong>, <strong>Performance</strong>, and <strong>Unlimited</strong>
              Editions</p>
          </td>

        </tr>
      </tbody>
    </table>

- **[OData Type Mapping](https://help.salesforce.com/s/articleView?id=platform.odata_type_mapping.htm&release=264.0.0&type=5)**  
    Salesforce Connect maps OData types to Salesforce metadata field types when syncing metadata and converting values between Salesforce and external systems.
- **[OData Query String Options](https://help.salesforce.com/s/articleView?id=platform.odata_query_string_options.htm&release=264.0.0&type=5)**  
    The OData adapters for Salesforce Connect use a subset of the OData 2.0 and 4.0 and 4.01 system functions and filter expression constructs to query external systems.

#### See Also

- [OData Adapters for Salesforce Connect](https://help.salesforce.com/s/articleView?id=platform.odata_adapter_about.htm&release=264.0.0&type=5 "Connect to your back office for a complete view of your business. With the OData 2.0, 4.0, or 4.01 adapter, Salesforce Connect uses Open Data Protocol Version 2.0, Version 4.0, or Version 4.01 to access data that’s stored outside Salesforce.")