Apex Developer Guide
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Salesforce Connect Adapters
| Available in: both Salesforce Classic (not available in all orgs) and Lightning Experience (not for high-data-volume external objects) |
| Available in: Developer Edition Available for an extra cost in: Enterprise, Performance, and Unlimited Editions |
These adapters are available for Salesforce Connect.
| Salesforce Connect Adapter | Description | Where to Find Callout Limits |
|---|---|---|
| Cross-org | Uses the Lightning Platform REST API to access data that’s stored in other Salesforce orgs. | No callout limits. However, each callout counts toward the API
usage limits of the provider org. Salesforce Help: API Usage Considerations for Salesforce Connect—Cross-Org Adapter Salesforce Limits Quick Reference Guide: API Request Limits and Allocations |
| OData 2.0 OData 4.0 |
Uses Open Data Protocol to access data that’s stored outside Salesforce. The external data must be exposed via OData producers. | Salesforce Help: General Limits for Salesforce Connect—OData 2.0 and 4.0 Adapters |
| Custom adapter created via Apex | You use the Apex Connector
Framework to develop your own custom adapter when the other available
adapters aren’t suitable for your needs. A custom adapter can obtain data from anywhere. For example, some data can be retrieved from anywhere in the Internet via callouts, while other data can be manipulated or even generated programmatically. |
Apex Developer Guide: Callout Limits and Limitations Apex Developer Guide: Execution Governors and Limits |