diff --git a/src/main/java/HeyPorori/transaction/controller/TransactionController.java b/src/main/java/HeyPorori/transaction/controller/TransactionController.java
index 9104dbe..1c74ee5 100644
--- a/src/main/java/HeyPorori/transaction/controller/TransactionController.java
+++ b/src/main/java/HeyPorori/transaction/controller/TransactionController.java
@@ -86,4 +86,11 @@ public BaseResponse<String> recommendPost(@RequestHeader("Authorization") String
         transactionService.recommendPost(token, req);
         return new BaseResponse<>("게시글을 추천했습니다.");
     }
-}
+
+    @Operation(summary = "중고거래 게시글 검색 API", description = "중고거래 서비스의 거래 게시글을 검색하기 위한 API입니다.")
+    @ApiResponse(responseCode = "200", description = "요청 성공", content = @Content(mediaType = "application/json", schema = @Schema(implementation = BaseResponse.class)))
+    @GetMapping("/search/{keyword}")
+    public BaseResponse<List<PostsRes>> recommendPost(@PathVariable String keyword) throws BaseException {
+        return new BaseResponse<>(transactionService.findAllPostByKeyword(keyword));
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/HeyPorori/transaction/repository/TransactionRepository.java b/src/main/java/HeyPorori/transaction/repository/TransactionRepository.java
index c2d4285..33a2a68 100644
--- a/src/main/java/HeyPorori/transaction/repository/TransactionRepository.java
+++ b/src/main/java/HeyPorori/transaction/repository/TransactionRepository.java
@@ -13,4 +13,5 @@ public interface TransactionRepository extends JpaRepository<Transaction, Long>
     List<Transaction> findByStatus(String status);
     Optional<Transaction> findByTransactionIdAndStatus(Long transactionId, String status);
     List<Transaction> findByCategoryAndStatus(Category category, String status);
+    List<Transaction> findByContentContainingAndStatus(String content, String status);
 }
diff --git a/src/main/java/HeyPorori/transaction/service/TransactionService.java b/src/main/java/HeyPorori/transaction/service/TransactionService.java
index 2a3c7b9..238d741 100644
--- a/src/main/java/HeyPorori/transaction/service/TransactionService.java
+++ b/src/main/java/HeyPorori/transaction/service/TransactionService.java
@@ -89,6 +89,19 @@ public void recommendPost(String token, RecommendPostReq req){
         }
     }
 
+    public List<PostsRes> findAllPostByKeyword(String keyword){
+        List<Transaction> txnList = new ArrayList<>();
+        txnList = transactionRepository.findByContentContainingAndStatus(keyword, "ACTIVE");
+
+        List<PostsRes> postResList = new ArrayList<>();
+        for(Transaction txn: txnList){
+            PostsRes postRes = PostsRes.toDto(txn, transactionAttachService.getFirstImageName(txn));
+            postResList.add(postRes);
+        }
+
+        return postResList;
+    }
+
     public String toFormattedDate(LocalDateTime baseDateTime){
         DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy.MM.dd");
         return baseDateTime.format(formatter);