diff --git a/src/main/java/com/acquirex/cardapproval/controller/AcquisitionApprovalController.java b/src/main/java/com/acquirex/cardapproval/controller/AcquisitionApprovalController.java
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index 0000000..89fb498
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+++ b/src/main/java/com/acquirex/cardapproval/controller/AcquisitionApprovalController.java
@@ -0,0 +1,67 @@
+package com.acquirex.cardapproval.controller;
+
+import com.acquirex.cardapproval.service.AcquisitionApprovalService;
+import com.acquirex.cardapproval.service.AcquisitionApprovalService.AcquisitionApprovalRequest;
+import com.acquirex.cardapproval.service.AcquisitionApprovalService.AcquisitionApprovalResponse;
+import jakarta.validation.Valid;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.format.annotation.DateTimeFormat;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+import java.time.LocalDateTime;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * 카드 매입 승인 REST 컨트롤러
+ * Spring Boot 3.x Web (Jakarta Servlet)
+ */
+@RestController
+@RequestMapping("/api/v1/acquisitions")
+@RequiredArgsConstructor
+@Slf4j
+public class AcquisitionApprovalController {
+
+    private final AcquisitionApprovalService service;
+
+    @PostMapping
+    public ResponseEntity<AcquisitionApprovalResponse> processAcquisition(
+            @Valid @RequestBody AcquisitionApprovalRequest request) {
+        log.info("매입 승인 요청 수신: {}", request.getApprovalNumber());
+        AcquisitionApprovalResponse response = service.processAcquisition(request);
+        return ResponseEntity.status(HttpStatus.CREATED).body(response);
+    }
+
+    @GetMapping("/{id}")
+    public ResponseEntity<AcquisitionApprovalResponse> getAcquisition(@PathVariable Long id) {
+        log.info("매입 승인 조회: ID={}", id);
+        return ResponseEntity.ok(service.getAcquisition(id));
+    }
+
+    @GetMapping("/merchant/{merchantId}")
+    public ResponseEntity<List<AcquisitionApprovalResponse>> getAcquisitionsByMerchant(
+            @PathVariable String merchantId) {
+        log.info("가맹점별 매입 승인 목록 조회: 가맹점={}", merchantId);
+        return ResponseEntity.ok(service.getAcquisitionsByMerchant(merchantId));
+    }
+
+    @GetMapping("/period")
+    public ResponseEntity<List<AcquisitionApprovalResponse>> getAcquisitionsByPeriod(
+            @RequestParam @DateTimeFormat(iso = DateTimeFormat.ISO.DATE_TIME) LocalDateTime startDate,
+            @RequestParam @DateTimeFormat(iso = DateTimeFormat.ISO.DATE_TIME) LocalDateTime endDate) {
+        log.info("기간별 매입 승인 목록 조회: {} ~ {}", startDate, endDate);
+        return ResponseEntity.ok(service.getAcquisitionsByPeriod(startDate, endDate));
+    }
+
+    @PostMapping("/{id}/cancel")
+    public ResponseEntity<AcquisitionApprovalResponse> cancelAcquisition(
+            @PathVariable Long id,
+            @RequestBody Map<String, String> cancelRequest) {
+        log.info("매입 취소 요청: ID={}", id);
+        String reason = cancelRequest.getOrDefault("reason", "고객 요청");
+        return ResponseEntity.ok(service.cancelAcquisition(id, reason));
+    }
+}
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