API Downloads
All API downloads include fully documented examples. Please refer to the installation guide.
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Developer Libraries
| NuCaptcha for Java | |
The NuCaptcha Java Library easily integrates into your existing Java applications. | v1.0.16525 Download |
| NuCaptcha for .NET | |
The NuCaptcha .NET Library easily integrates into your existing .NET applications. Works with Visual Basic, C# or C++ applications built with the .NET framework. | v1.0.16206 Download |
| NuCaptcha for PHP | |
The NuCaptcha PHP Library easily integrates into your existing PHP applications. | v1.0.16623 Download |