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+ 00 Introduction - tapir
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- The t-online API repository contains the interface definitions of
+- t-online APIs that support the gRPC protocol.
+- You can use these definitions with open source tools to generate
+- client libraries, documentation and other artifacts.
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+- T-online APIs use Protocol Buffers version 3
+- (proto3) as their Interface Definition Language (IDL) to define the
+- API interface and the structure of the payload messages.
+[~]
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