diff --git a/src/core/utils.js b/src/core/utils.js
index 1a835d3fbcd..ac633c34ce1 100644
--- a/src/core/utils.js
+++ b/src/core/utils.js
@@ -500,12 +500,25 @@ export const validateString = ( val ) => {
   }
 }
 
+export const validateDateTime = (val) => {
+    if (isNaN(Date.parse(val))) {
+        return "Value must be a DateTime"
+    }
+}
+
+export const validateGuid = (val) => {
+    if (!/^[{(]?[0-9a-f]{8}-[0-9a-f]{4}-[1-5][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}[)}]?$/.test(val)) {
+        return "Value must be a Guid"
+    }
+}
+
 // validation of parameters before execute
 export const validateParam = (param, isXml) => {
   let errors = []
   let value = isXml && param.get("in") === "body" ? param.get("value_xml") : param.get("value")
   let required = param.get("required")
   let type = param.get("type")
+  let format = param.get("format")
 
   /*
     If the parameter is required OR the parameter has a value (meaning optional, but filled in)
@@ -528,7 +541,14 @@ export const validateParam = (param, isXml) => {
     }
 
     if ( type === "string" ) {
-      let err = validateString(value)
+      let err
+      if (format === "date-time") {
+          err = validateDateTime(value)
+      } else if (format === "uuid") {
+          err = validateGuid(value)
+      } else {
+          err = validateString(value)
+      }
       if (!err) return errors
       errors.push(err)
     } else if ( type === "boolean" ) {
diff --git a/test/core/utils.js b/test/core/utils.js
index 42103cc1035..dfe5c1ee62e 100644
--- a/test/core/utils.js
+++ b/test/core/utils.js
@@ -1,7 +1,7 @@
 /* eslint-env mocha */
 import expect from "expect"
 import { fromJS, OrderedMap } from "immutable"
-import { mapToList, validateNumber, validateInteger, validateParam, validateFile, fromJSOrdered, getAcceptControllingResponse, createDeepLinkPath, escapeDeepLinkPath } from "core/utils"
+import { mapToList, validateDateTime, validateGuid, validateNumber, validateInteger, validateParam, validateFile, fromJSOrdered, getAcceptControllingResponse, createDeepLinkPath, escapeDeepLinkPath } from "core/utils"
 import win from "core/window"
 
 describe("utils", function() {
@@ -158,7 +158,7 @@ describe("utils", function() {
     })
   })
 
-   describe("validateFile", function() {
+  describe("validateFile", function() {
     let errorMessage = "Value must be a file"
 
     it("validates against objects which are instances of 'File'", function() {
@@ -171,6 +171,33 @@ describe("utils", function() {
     })
    })
 
+   describe("validateDateTime", function() {
+    let errorMessage = "Value must be a DateTime"
+
+    it("doesn't return for valid dates", function() {
+      expect(validateDateTime("Mon, 25 Dec 1995 13:30:00 +0430")).toBeFalsy()
+    })
+
+    it("returns a message for invalid input'", function() {
+      expect(validateDateTime(null)).toEqual(errorMessage)
+      expect(validateDateTime("string")).toEqual(errorMessage)
+    })
+   })
+
+  describe("validateGuid", function() {
+    let errorMessage = "Value must be a Guid"
+
+    it("doesn't return for valid guid", function() {
+      expect(validateGuid("8ce4811e-cec5-4a29-891a-15d1917153c1")).toBeFalsy()
+      expect(validateGuid("{8ce4811e-cec5-4a29-891a-15d1917153c1}")).toBeFalsy()
+    })
+
+    it("returns a message for invalid input'", function() {
+      expect(validateGuid(1)).toEqual(errorMessage)
+      expect(validateGuid("string")).toEqual(errorMessage)
+    })
+   })
+
   describe("validateParam", function() {
     let param = null
     let result = null