diff --git a/core/api.go b/core/api.go
index 96e09c6..2b00697 100644
--- a/core/api.go
+++ b/core/api.go
@@ -396,43 +396,62 @@ func (caller apiCaller) userinfoAPI(w http.ResponseWriter, r *http.Request) erro
 	if r.Method == "GET" {
 		//  계정 조회
 		accid, _ := gocommon.ReadObjectIDFormValue(r.Form, "accid")
-		if len(accid) == 0 {
-			logger.Println("[userinfoAPI] accid is empty")
-			w.WriteHeader(http.StatusBadRequest)
-			return nil
-		}
-
-		all, err := mg.mongoClient.FindAll(CollectionAccount, bson.M{
-			"accid": accid,
-		}, options.Find().SetProjection(bson.M{"_id": 1, "accid": 1}))
-
-		if err != nil {
-			return err
-		}
-
-		var linkinfos []accountlinkinfo
-		for _, doc := range all {
-			id := doc["_id"].(primitive.ObjectID)
-
-			link, err := mg.mongoClient.FindOne(CollectionLink, bson.M{
-				"_id": id,
-			}, options.FindOne().SetProjection(bson.M{"_id": 1, "platform": 1, "uid": 1}))
+		if len(accid) > 0 {
+			all, err := mg.mongoClient.FindAll(CollectionAccount, bson.M{
+				"accid": accid,
+			}, options.Find().SetProjection(bson.M{"_id": 1, "accid": 1}))
 
 			if err != nil {
-				logger.Error("link failed. FindOneAndUpdate link err:", err)
-				w.WriteHeader(http.StatusInternalServerError)
 				return err
 			}
 
-			var info accountlinkinfo
-			info.Platform = link["platform"].(string)
-			info.Uid = link["uid"].(string)
-			linkinfos = append(linkinfos, info)
+			var linkinfos []accountlinkinfo
+			for _, doc := range all {
+				id := doc["_id"].(primitive.ObjectID)
+
+				link, err := mg.mongoClient.FindOne(CollectionLink, bson.M{
+					"_id": id,
+				}, options.FindOne().SetProjection(bson.M{"_id": 1, "platform": 1, "uid": 1}))
+
+				if err != nil {
+					logger.Error("link failed. FindOneAndUpdate link err:", err)
+					w.WriteHeader(http.StatusInternalServerError)
+					return err
+				}
+
+				var info accountlinkinfo
+				info.Platform = link["platform"].(string)
+				info.Uid = link["uid"].(string)
+				linkinfos = append(linkinfos, info)
+			}
+
+			enc := json.NewEncoder(w)
+			enc.Encode(linkinfos)
+		}
+	} else if r.Method == "POST" {
+		r.ParseMultipartForm(32 << 20)
+		var body struct {
+			Platform string
+			Uid      []string
+		}
+		if err := json.NewDecoder(r.Body).Decode(&body); err != nil {
+			return err
 		}
 
-		enc := json.NewEncoder(w)
-		enc.Encode(linkinfos)
-
+		if len(body.Platform) > 0 && len(body.Uid) > 0 {
+			output := make(map[string]any)
+			for _, uid := range body.Uid {
+				link, err := mg.mongoClient.FindOne(CollectionLink, bson.M{
+					"platform": body.Platform,
+					"uid":      uid,
+				}, options.FindOne().SetProjection(bson.M{"_id": 1}))
+				if err != nil {
+					return err
+				}
+				output[uid] = link["_id"]
+			}
+			json.NewEncoder(w).Encode(output)
+		}
 	}
 
 	return nil