SFDC Integration Error: API Is Not Enabled for This Organization or Partner

Description description

Error “API is not enabled for this Organization or Partner” occurs during Marketo - Salesforce integration.

Resolution resolution

This is a Salesforce generated error and indicates that API access isn’t available in your SFDC instance.  For more information, see this Salesforce documentation: Core Data Types Used in API Calls.

To resolve this, contact Salesforce to enable API access.