diff --git a/api/handler/validate.go b/api/handler/validate.go
index 629c548c..4619d9ce 100644
--- a/api/handler/validate.go
+++ b/api/handler/validate.go
@@ -27,6 +27,12 @@ func ParseAndValidateBody(apiContext *types.APIContext, create bool) (map[string
 	if !create {
 		op = builder.Update
 	}
+	if apiContext.Schema.InputFormatter != nil {
+		err = apiContext.Schema.InputFormatter(apiContext, apiContext.Schema, data, create)
+		if err != nil {
+			return nil, err
+		}
+	}
 	data, err = b.Construct(apiContext.Schema, data, op)
 	if err != nil {
 		return nil, err
diff --git a/types/server_types.go b/types/server_types.go
index cc39aeb9..7fede86f 100644
--- a/types/server_types.go
+++ b/types/server_types.go
@@ -69,6 +69,8 @@ type QueryFilter func(opts *QueryOptions, schema *Schema, data []map[string]inte
 
 type Validator func(request *APIContext, schema *Schema, data map[string]interface{}) error
 
+type InputFormatter func(request *APIContext, schema *Schema, data map[string]interface{}, create bool) error
+
 type Formatter func(request *APIContext, resource *RawResource)
 
 type CollectionFormatter func(request *APIContext, collection *GenericCollection)
diff --git a/types/types.go b/types/types.go
index 27f2917d..88dfad3e 100644
--- a/types/types.go
+++ b/types/types.go
@@ -111,6 +111,7 @@ type Schema struct {
 	CreateHandler       RequestHandler      `json:"-"`
 	DeleteHandler       RequestHandler      `json:"-"`
 	UpdateHandler       RequestHandler      `json:"-"`
+	InputFormatter      InputFormatter      `json:"-"`
 	Formatter           Formatter           `json:"-"`
 	CollectionFormatter CollectionFormatter `json:"-"`
 	ErrorHandler        ErrorHandler        `json:"-"`