To ensure service levels and quality, Salesforce.com imposes an API usage limit on its customers. Salesforce "Organizations" are subject to a maximum number of API calls that can be made against Salesforce.com servers in any 24 hour period.
The API usage limit is described in the Salesforce.com documentation.
To monitor your API usage, log in to Salesforce.com, and choose Reports > Administrative Reports > API Calls Made Within Last 7 Days.
The Easysoft ODBC-Salesforce Driver uses the Salesforce.com Web Services API to connect to Salesforce.com, and is therefore subject to the API usage limit.
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