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+# API Reference
+
+The Quantum Nexus Protocol provides a set of APIs that enable developers to interact with the protocol programmatically.
+
+## API Endpoints
+
+Available API endpoints include:
+
+- **/transactions**: Retrieve a list of transactions.
+- **/smartcontracts**: Retrieve a list of smart contracts.
+- **/wallet**: Create a new wallet or retrieve an existing one.
+- **/send**: Initiate a transaction.
+
+## API Request Format
+
+API requests should be made in JSON format and include appropriate headers for content type and authorization.
+
+## API Response Format
+
+API responses will be returned in JSON format, including fields for status, data, and error messages if applicable.