src/main/java/com/example/demo/controller/TransactionController.java

@@ -0,0 +1,20 @@
+package com.example.demo.controller;
+
+import org.springframework.web.bind.annotation.*;
+import com.example.demo.service.TransactionService;
+import com.example.demo.dto.TransactionDTO;
+
+@RestController
+@RequestMapping("/api/transactions")
+public class TransactionController {
+    private final TransactionService transactionService;
+
+    public TransactionController(TransactionService transactionService) {
+        this.transactionService = transactionService;
+    }
+
+    @PostMapping
+    public void createTransaction(@RequestBody TransactionDTO transactionDTO) {
+        transactionService.processTransaction(transactionDTO);
+    }
+}