Overview
API Monitor is a free software that lets you monitor and control API calls made by applications and services. Its a powerful tool for seeing how applications and services work or for tracking down problems that you have in your own applications.
Features
64-bit Support
API Monitor supports monitoring of 64-bit applications and services. The 64-bit version can only be used to monitor 64-bit applications and the 32-bit version can be only be used to monitor 32-bit applications. To monitor a 32-bit application on 64-bit Windows, you must use the 32-bit version. Note that the 64-bit installer for API Monitor includes both 64-bit and 32-bit versions.
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