diff --git a/lib/specs/spec_1.js b/lib/specs/spec_1.js
index b3e7ee6..f9dcb73 100644
--- a/lib/specs/spec_1.js
+++ b/lib/specs/spec_1.js
@@ -66,6 +66,17 @@ function Spec1(_caller) {
   };
 }
 
+/*
+ * Check the spec constraints
+ */
+Spec1.prototype.check = function(ce){
+  var toCheck = (!ce ? this.payload : ce);
+
+  if(!isValidAgainstSchema(toCheck)) {
+    throw {message: "invalid payload", errors: isValidAgainstSchema.errors};
+  }
+};
+
 Spec1.prototype.id = function(_id){
   this.payload["id"] = _id;
   return this;