diff --git a/api/handler/validate.go b/api/handler/validate.go
index b08b642f4..629c548cf 100644
--- a/api/handler/validate.go
+++ b/api/handler/validate.go
@@ -34,3 +34,20 @@ func ParseAndValidateBody(apiContext *types.APIContext, create bool) (map[string
 
 	return data, nil
 }
+
+func ParseAndValidateActionBody(apiContext *types.APIContext, actionInputSchema *types.Schema) (map[string]interface{}, error) {
+	data, err := parse.Body(apiContext.Request)
+	if err != nil {
+		return nil, err
+	}
+
+	b := builder.NewBuilder(apiContext)
+
+	op := builder.Create
+	data, err = b.Construct(actionInputSchema, data, op)
+	if err != nil {
+		return nil, err
+	}
+
+	return data, nil
+}
diff --git a/parse/builder/builder.go b/parse/builder/builder.go
index 0a1c81758..905ea9941 100644
--- a/parse/builder/builder.go
+++ b/parse/builder/builder.go
@@ -125,7 +125,7 @@ func (b *Builder) checkDefaultAndRequired(schema *types.Schema, input map[string
 			}
 
 			if definition.IsArrayType(field.Type) {
-				slice, err := b.convertArray(fieldName, result[fieldName], op)
+				slice, err := b.convertArray(field.Type, result[fieldName], op)
 				if err != nil {
 					return err
 				}
diff --git a/parse/parse.go b/parse/parse.go
index 8525f89a9..b8720f280 100644
--- a/parse/parse.go
+++ b/parse/parse.go
@@ -281,7 +281,7 @@ func Body(req *http.Request) (map[string]interface{}, error) {
 		return valuesToBody(req.MultipartForm.Value), nil
 	}
 
-	if req.Form != nil && len(req.Form) > 0 {
+	if req.PostForm != nil && len(req.PostForm) > 0 {
 		return valuesToBody(map[string][]string(req.Form)), nil
 	}