diff --git a/README.md b/README.md
index 78452e6..67f7ac0 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,7 @@ A small library providing access to traitify's api
 #### Config
 ```js
   var traitify = require('traitify');
-  
+
 	traitify.setHost("lvh.me");
 	traitify.setVersion("v1");
 	traitify.setSecretKey("fakeKey");
@@ -53,12 +53,23 @@ A small library providing access to traitify's api
 ```js
   var assessmentId = "Your Assessment Id";
 
-  traitify.setSlide(assessmentId, {"value":true, response_time: 1000}, function(assessment){
+  traitify.addSlide(assessmentId, {response: true, response_time: 1000}, function(assessment){
     // Use assessment here.
     console.log(assessment);
   });
 ```
 
+#### Bulk Set Assessment Slides
+```js
+  var assessmentId = "Your Assessment Id";
+
+  traitify.addSlides(assessmentId, [{id: "slide-uuid", "response":true, response_time: 1000}], function(assessment){
+    // Use assessment here.
+    console.log(assessment);
+  })
+```
+
+
 #### Get Assessment Personality Types
 ```js
   var assessmentId = "Your Assessment Id";
diff --git a/index.js b/index.js
index fc2d9c5..6883c28 100644
--- a/index.js
+++ b/index.js
@@ -61,6 +61,9 @@ module.exports = {
         callBack(JSON.parse(responseData));
       });
     });
+    if(params){
+      params = JSON.stringify(params)
+    }
 
     request.end(params);
   },
@@ -78,7 +81,7 @@ module.exports = {
   },
 
   createAssessment: function(deckId, callBack){
-    this.post("/assessments", '{"deck_id":"' + deckId + '"}', callBack);
+    this.post("/assessments", {deck_id: deckId }, callBack);
   },
 
   getAssessment: function(assessmentId, callBack){
@@ -88,11 +91,12 @@ module.exports = {
   getSlides: function(assessmentId, callBack){
     this.get("/assessments/" + assessmentId + "/slides", String(), callBack);
   },
-
-  setSlide: function(assessmentId, slideId, params, callBack){
+  addSlide: function(assessmentId, slideId, params, callBack){
     this.put("/assessments/" + assessmentId + "/slides/" + slideId, params, callBack);
   },
-
+  addSlides: function(assessmentId, params, callBack){
+    this.put("/assessments/" + assessmentId + "/slides", params, callBack);
+  },
   getPersonalityTypes: function(assessmentId, callBack){
     this.get("/assessments/" + assessmentId + "/personality_types", String(), callBack);
   },
@@ -134,5 +138,3 @@ module.exports = {
     return url;
   }
 };
-
-
diff --git a/test/index.js b/test/index.js
index 544caf3..1d818f1 100644
--- a/test/index.js
+++ b/test/index.js
@@ -86,14 +86,29 @@ describe('#Traitify', function() {
     });
   });
 
-  it("Sets Assessment's Slide", function(done) {
+  it("Adds Assessment's Slide", function(done) {
     var responseData = {
-      "slides":[
-      {"caption":"Very Cool"}
+      slides:[
+        {"caption":"Very Cool"}
       ]
     };
     nockApiHelper("put", "/assessments/fakeAssessmentId/slides/fakeSlideId", responseData, function(){
-      traitify.setSlide("fakeAssessmentId", "fakeSlideId", {value: true, responseTime: 1000}, function(data){
+      traitify.addSlide("fakeAssessmentId", "fakeSlideId", {value: true, responseTime: 1000}, function(data){
+        data.slides[0].caption.should.equal("Very Cool");
+        done();
+      });
+    });
+  });
+
+  it("Adds Assessment's Slides", function(done) {
+    var responseData = {
+      "slides":[
+        {"caption":"Very Cool"}
+
+      ]
+    };
+    nockApiHelper("put", "/assessments/fakeAssessmentId/slides", responseData, function(){
+      traitify.addSlides("fakeAssessmentId", {value: true, responseTime: 1000}, function(data){
         data.slides[0].caption.should.equal("Very Cool");
         done();
       });