diff --git a/src/controllers/service_fare.ts b/src/controllers/service_fare.ts
index 1d3e658..ad1e585 100644
--- a/src/controllers/service_fare.ts
+++ b/src/controllers/service_fare.ts
@@ -22,7 +22,12 @@ export class ServiceFareController {
         /*
             #swagger.tags = ['Service Fare']
             #swagger.security = [{ "bearerAuth": [] }]
-            #swagger.parameters['filter'] = { description: '', in: 'query', type: 'string' }
+            #swagger.parameters['filter'] = { 
+                description: 'Filter data in JSON format. Available fields: Service entity fields (e.g. {\"name\": \"value\"}) and special field {\"service_type_name\": \"value\"} for filtering by service type name (case-insensitive, supports partial match)', 
+                in: 'query', 
+                type: 'string',
+                example: '{\"service_type_name\": \"express\"}'
+            }
             #swagger.parameters['limit'] = { in: 'query', required: true, type: 'number' }
             #swagger.parameters['page'] = { in: 'query', required: true, type: 'number' }
             #swagger.parameters['with_deleted'] = { in: 'query', required: true, type: 'boolean' }
@@ -46,6 +51,10 @@ export class ServiceFareController {
             const offset = (param.page - 1) * param.limit;
             const limit = param.limit;
 
+            // Pisahkan service_type_name dari filter sebelum masuk ke ServiceModel.list
+            const serviceTypeName = filter?.service_type_name ?? null;
+            if (filter?.service_type_name) delete filter.service_type_name;
+
             var query = await ServiceModel.list(filter);
 
             const res_count = query.clone();
@@ -65,7 +74,7 @@ export class ServiceFareController {
                             .innerJoin("fare_type", "ft", 'sf."faretypeId" = ft.id AND ft.deleted_at IS NULL')
                             .innerJoin("service_classes", "sc", 'sf."serviceClassId" = sc.id AND sc.deleted_at IS NULL')
                             .innerJoin("services", "s", 'sf."serviceId" = s.id AND s.deleted_at IS NULL')
-                            .innerJoin("service_types", "st", 's."serviceTypeId" = st.id AND st.deleted_at IS NULL') // ← fix di sini
+                            .innerJoin("service_types", "st", 's."serviceTypeId" = st.id AND st.deleted_at IS NULL')
                             .groupBy('sf."serviceId", st.name');
                     },
                     "sfa",
@@ -78,6 +87,12 @@ export class ServiceFareController {
                 .skip(offset)
                 .take(limit);
 
+            // Filter service_type_name dari subquery
+            if (serviceTypeName) {
+                res_list.andWhere('sfa.service_type_name ILIKE :service_type_name', { service_type_name: `%${serviceTypeName}%` });
+                res_count.andWhere('sfa.service_type_name ILIKE :service_type_name', { service_type_name: `%${serviceTypeName}%` });
+            }
+
             if (param.with_deleted) {
                 res_count.withDeleted();
                 res_list.withDeleted();