diff --git a/src/main/java/Journey/Together/global/config/OpenFeignConfig.java b/src/main/java/Journey/Together/global/config/OpenFeignConfig.java
index 677f287..7ddaf5d 100644
--- a/src/main/java/Journey/Together/global/config/OpenFeignConfig.java
+++ b/src/main/java/Journey/Together/global/config/OpenFeignConfig.java
@@ -5,9 +5,12 @@
 import org.springframework.cloud.openfeign.support.SpringEncoder;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
 
 import com.fasterxml.jackson.databind.DeserializationFeature;
 import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.SerializationFeature;
+import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
 
 import feign.Logger;
 import feign.QueryMapEncoder;
@@ -15,6 +18,7 @@
 import feign.codec.Decoder;
 import feign.jackson.JacksonDecoder;
 import feign.codec.Encoder;
+import feign.jackson.JacksonEncoder;
 import feign.querymap.BeanQueryMapEncoder;
 
 @Configuration
@@ -26,12 +30,13 @@ Logger.Level feignLoggerLevel() {
         return Logger.Level.BASIC;
     }
 
-
     @Bean
-    public Encoder feignEncoder() {
-        return new SpringEncoder(HttpMessageConverters::new);
+    public Encoder feignEncoder(ObjectMapper objectMapper) {
+        return new SpringEncoder(() -> new HttpMessageConverters(
+            new MappingJackson2HttpMessageConverter(objectMapper)
+        ));
     }
-
+    @Bean Decoder feignDecoder(ObjectMapper m) { return new JacksonDecoder(m); }
     @Bean
     public QueryMapEncoder queryMapEncoder() {
         return new BeanQueryMapEncoder();
@@ -40,15 +45,12 @@ public QueryMapEncoder queryMapEncoder() {
     @Bean
     public ObjectMapper objectMapper() {
         ObjectMapper objectMapper = new ObjectMapper();
+        objectMapper.registerModule(new JavaTimeModule()); // LocalDate, LocalDateTime 지원
+        objectMapper.disable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS); // ISO 포맷으로
         objectMapper.configure(DeserializationFeature.ACCEPT_EMPTY_STRING_AS_NULL_OBJECT, true);
+        objectMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
         return objectMapper;
     }
-
-    @Bean
-    public Decoder feignDecoder() {
-        return new JacksonDecoder(objectMapper());
-    }
-
     @Bean
     public Retryer feignRetryer() {
         // period = 100ms, maxPeriod = 1s, maxAttempts = 3