---
schema_version: "1"
id: f66a271417e4379ecfbabcc592eeac7b0cf4242142636a7701b9d52b88523946
title: General Limits for Salesforce Connect
collection: admin
version: current
locale: en-us
portal_url: https://docs.salesforce.com/admin/current/en-us/platform/264-0-0/platform_connect_general_limits.md
canonical_url: https://help.salesforce.com/s/articleView?id=platform.platform_connect_general_limits.htm&release=264.0.0&type=5
source_site: help.salesforce.com
content_type: documentation
content_hash: fc1988ed1534ff2abfb9789796107920251e2cf25c6c040075a3dd78be20ff6b
description: Understand the limits that apply to all Salesforce Connect adapters.
products:
  - Salesforce Platform
  - Security
release: "264"
---
# General Limits for Salesforce Connect

Understand the limits that apply to all Salesforce Connect adapters.

### 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>

## Limits

<table class="slds-table slds-table_bordered slds-max-medium-table_stacked slds-m-bottom_small ">
        <colgroup>
          <col style="width:80%">
          <col style="width:20%">
        </colgroup>
        <tbody>
          <tr class="">
            <td class="slds-cell-wrap" style="vertical-align:top;">
              <p>Maximum new rows retrieved or created per hour. </p>
              <p>This limit doesn’t apply
                to:</p>
              <ul>
                <li>Orgs hosted on Hyperforce<sup>1</sup></li>

                <li>High data volume external data sources</li>

              </ul>
            </td>

            <td class="slds-cell-wrap" style="vertical-align:top;">100,000</td>

          </tr>
          <tr class="">
            <td class="slds-cell-wrap" style="vertical-align:top;">
              <p>Maximum external objects per org.</p>
              <p>If the default value for external objects
                in your org is 100, create a support case to increase your org limit to
                200.</p>
              <p style="margin-bottom:0;">External objects and custom objects have different limits. External
                objects don’t count towards custom object usage.</p>
            </td>

            <td class="slds-cell-wrap" style="vertical-align:top;">200</td>

          </tr>
          <tr class="">
            <td class="slds-cell-wrap" style="vertical-align:top;">
              <p style="margin-bottom:0;">Maximum joins per query across external objects and other types of
                objects.<sup>2</sup></p>
            </td>

            <td class="slds-cell-wrap" style="vertical-align:top;">4</td>

          </tr>
          <tr class="">
            <td class="slds-cell-wrap" style="vertical-align:top;">Maximum length of the OAuth token issued by the external system.</td>

            <td class="slds-cell-wrap" style="vertical-align:top;">4,000 characters</td>

          </tr>
          <tr class="">
            <td class="slds-cell-wrap" style="vertical-align:top;">Maximum page size for server-driven paging.</td>

            <td class="slds-cell-wrap" style="vertical-align:top;">2,000 rows</td>

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

1 Starting in the Spring ‘25 release, this functionality is available to orgs hosted on Hyperforce on a rolling basis.

2 This can affect reports and dashboards.

## Considerations

Salesforce Connect accesses the external data in real time via web service callouts to external data sources, and there are no callout limits. However, the external data source may be limited in how many callouts it can accept in a given time period. Keep in mind any API limits enforced by external systems.

- OData 2.0, OData 4.0, and OData 4.01 adapters: No callout limits. However, the external system may have its own limits on how much traffic it can accept.
- Custom adapter: Callouts are limited in Developer Edition orgs. See [Callout Limits and Limitations](https://developer.salesforce.com/docs/atlas.en-us.apexcode.meta/apexcode/apex_callouts_timeouts.htm) and [Execution Governors and Limits](https://developer.salesforce.com/docs/atlas.en-us.apexcode.meta/apexcode/apex_gov_limits.htm) in the Apex Developer Guide.
- Amazon DynamoDB adapter, GraphQL adapter, and SQL adapter for both Amazon Athena and Snowflake: No callout limits. However, callouts can incur charges from the hosting provider of the external data source.
- Cross-org adapter: Each callout counts towards the API usage limits of the provider org. See [API Request Limits and Allocations](https://developer.salesforce.com/docs/atlas.en-us.salesforce_app_limits_cheatsheet.meta/salesforce_app_limits_cheatsheet/salesforce_app_limits_platform_api.htm).

When a Salesforce Connect adapter sends a query for a field value that’s equal to an empty string, the query is converted to filter for a null value in the external system.

#### See Also

- [Salesforce Connect](https://help.salesforce.com/s/articleView?id=platform.platform_connect_about.htm&release=264.0.0&type=5 "Salesforce Connect provides seamless integration of data across system boundaries by letting your users view, search, and modify data that’s stored outside your Salesforce org. For example, perhaps you have data that’s stored on premises in an enterprise resource planning (ERP) system. Instead of copying the data into your org, you can use external objects to access the data in real time via web service callouts.")
- [Salesforce Platform Features Supported by Salesforce Connect](https://help.salesforce.com/s/articleView?id=platform.platform_connect_considerations.htm&release=264.0.0&type=5 "Salesforce Connect provides seamless integration with the Salesforce Platform and enables users to view, search, and modify external object data.")