API limits

The Salesforce1 Platform includes multiple robust APIs which can be utilized by external systems to integrate with Salesforce. These APIs include all the operations available in Apex such as querying record, inserting records, updating records, and so on. When developers new to Apex struggle with the limits, they often revert back to coding in other systems and calling one of the APIs. While this approach can certainly get the job done, it's typically not our preference and often results in future problems.

There is a limit on the number of inbound API calls that can be made to your Force.com org. This limit is partially based on the edition you are subscribed to and partially based on the number of licenses in your subscription. The minimum per 24-hour period is currently 5,000. There are 1,440 minutes in the day, so at first glance, it looks like you can synchronize with the Salesforce1 Platform every minute and still have plenty to spare. In reality though, it's much more complex...