E.SDK is a set of interface tools which allows the developers to develop their software using ELID’s Time Recording Terminals (ET1200 series, ET630, ET636 & ET3100). It allows integration with various software, making it versatile for many reasons.
The E.SDK consists of 3 parts: DLL, Command Line Application and GUI

Dynamic Link Library (DLL)
The Dynamic Link Library provides an Application Program Interface (API) prepared for development of the PC application that integrates the time clock functionalities. It supports various development tools: Microsoft Visual Basic 6.0 (or above), Borland Delphi, etc.
The E.SDK provides sample coding in Delphi Programming language and Visual Basic Programming language.

Graphical User Interface Application (GUI)
The Graphical User Interface Application on the other hand is a simple polling software. It provides an output file in text file format. Integration can be done through the output text file (LatestTrans.dat).