====== T4 API 2025 ======
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We now offer two new APIs: A Trading (WebSocket) API and an Admin (REST) API. 
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===== WebSocket API =====  
The WebSocket API uses Google Protocol Buffers for message serialization. The advantage is that ProtoBuf support exists for nearly every programming language, and ProtoBuf is a compact binary format that is much more efficient than JSON or XML.  

This means you can use Python, JavaScript, C++, Erlang, .NET, WebAssembly, and more to interact with the API. Every operating system is supported as well.  

For more details, visit the link below:  
[[https://docs.t4login.com/doku.php?id=developers:api|WebSocket API Documentation]]  

===== Admin (REST) API =====  
The Admin (REST) API is used for static data, such as admin setup, market definitions, and historical data.  

For more details, visit the link below:  
[[https://docs.t4login.com/doku.php?id=developers:admin|Admin API Documentation]]