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Number of API calls made to Salesforce for a Send

Knowledge Article Number 000214442

The below list estimates how many API calls that you can expect for Sends: 


  • Initiate a basic Salesforce (No Salesforce specific AMPScript): 10-15 API Calls

AMPScript Methods

  • Call RetrieveSalesforceObjects(): 3 API calls per method call 
  • Call CreateSalesforceObject(): 2 API calls per method call 
  • Call UpdateSingleSalesforceObject: 2 API calls per method call


  • Return Aggregate Tracking Data: 3 API calls (will be updated any time new activity is available) 
  • Return Individual Tracking Data: 2 API calls per event

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