diff --git a/api/writer/json.go b/api/writer/json.go
index accf5e46..c3a5ccff 100644
--- a/api/writer/json.go
+++ b/api/writer/json.go
@@ -80,6 +80,11 @@ func (j *JSONResponseWriter) writeInterfaceSlice(builder *builder.Builder, apiCo
 			collection.Data = append(collection.Data, v)
 		}
 	}
+
+	if apiContext.Schema.CollectionFormatter != nil {
+		apiContext.Schema.CollectionFormatter(apiContext, collection)
+	}
+
 	return collection
 }
 
diff --git a/types/server_types.go b/types/server_types.go
index ccbe607d..dd2a0c24 100644
--- a/types/server_types.go
+++ b/types/server_types.go
@@ -55,6 +55,8 @@ type Validator func(request *APIContext, schema *Schema, data map[string]interfa
 
 type Formatter func(request *APIContext, resource *RawResource)
 
+type CollectionFormatter func(request *APIContext, collection *GenericCollection)
+
 type ErrorHandler func(request *APIContext, err error)
 
 type SubContextAttributeProvider interface {
diff --git a/types/types.go b/types/types.go
index f4601938..79b7c6ba 100644
--- a/types/types.go
+++ b/types/types.go
@@ -103,18 +103,19 @@ type Schema struct {
 	CollectionFilters map[string]Filter `json:"collectionFilters,omitempty"`
 	Scope             TypeScope         `json:"-"`
 
-	InternalSchema *Schema        `json:"-"`
-	Mapper         Mapper         `json:"-"`
-	ActionHandler  ActionHandler  `json:"-"`
-	LinkHandler    RequestHandler `json:"-"`
-	ListHandler    RequestHandler `json:"-"`
-	CreateHandler  RequestHandler `json:"-"`
-	DeleteHandler  RequestHandler `json:"-"`
-	UpdateHandler  RequestHandler `json:"-"`
-	Formatter      Formatter      `json:"-"`
-	ErrorHandler   ErrorHandler   `json:"-"`
-	Validator      Validator      `json:"-"`
-	Store          Store          `json:"-"`
+	InternalSchema      *Schema             `json:"-"`
+	Mapper              Mapper              `json:"-"`
+	ActionHandler       ActionHandler       `json:"-"`
+	LinkHandler         RequestHandler      `json:"-"`
+	ListHandler         RequestHandler      `json:"-"`
+	CreateHandler       RequestHandler      `json:"-"`
+	DeleteHandler       RequestHandler      `json:"-"`
+	UpdateHandler       RequestHandler      `json:"-"`
+	Formatter           Formatter           `json:"-"`
+	CollectionFormatter CollectionFormatter `json:"-"`
+	ErrorHandler        ErrorHandler        `json:"-"`
+	Validator           Validator           `json:"-"`
+	Store               Store               `json:"-"`
 }
 
 type Field struct {