diff --git a/LFS171x/fabric-material/tuna-app/client/app.js b/LFS171x/fabric-material/tuna-app/client/app.js
index 4700061e..fdf6ae65 100644
--- a/LFS171x/fabric-material/tuna-app/client/app.js
+++ b/LFS171x/fabric-material/tuna-app/client/app.js
@@ -11,7 +11,7 @@ app.controller('appController', function($scope, appFactory){
 	$("#success_create").hide();
 	$("#error_holder").hide();
 	$("#error_query").hide();
-	
+
 	$scope.queryAllTuna = function(){
 
 		appFactory.queryAllTuna(function(data){
@@ -70,7 +70,7 @@ app.controller('appController', function($scope, appFactory){
 
 // Angular Factory
 app.factory('appFactory', function($http){
-	
+
 	var factory = {};
 
     factory.queryAllTuna = function(callback){
@@ -90,18 +90,27 @@ app.factory('appFactory', function($http){
 
 		data.location = data.longitude + ", "+ data.latitude;
 
-		var tuna = data.id + "-" + data.location + "-" + data.timestamp + "-" + data.holder + "-" + data.vessel;
+		var tuna = {
+			id: data.id,
+			location: data.location,
+			timestamp: data.timestamp,
+			holder: data.holder,
+			vessel: data.vessel
+		};
 
-    	$http.get('/add_tuna/'+tuna).success(function(output){
+		$http.post('/add_tuna', tuna).success(function(output){
 			callback(output)
 		});
 	}
 
 	factory.changeHolder = function(data, callback){
 
-		var holder = data.id + "-" + data.name;
+		var holder = {
+			id: data.id,
+			name: data.name
+		};
 
-    	$http.get('/change_holder/'+holder).success(function(output){
+		$http.post('/change_holder', holder).success(function(output){
 			callback(output)
 		});
 	}
diff --git a/LFS171x/fabric-material/tuna-app/controller.js b/LFS171x/fabric-material/tuna-app/controller.js
index a7f83a05..4dd13677 100644
--- a/LFS171x/fabric-material/tuna-app/controller.js
+++ b/LFS171x/fabric-material/tuna-app/controller.js
@@ -87,14 +87,14 @@ return{
 	add_tuna: function(req, res){
 		console.log("submit recording of a tuna catch: ");
 
-		var array = req.params.tuna.split("-");
-		console.log(array);
+		var tunaReq = req.body;
+		console.log(tunaReq);
 
-		var key = array[0]
-		var timestamp = array[2]
-		var location = array[1]
-		var vessel = array[4]
-		var holder = array[3]
+		var key = tunaReq.id
+		var timestamp = tunaReq.timestamp
+		var location = tunaReq.location
+		var vessel = tunaReq.vessel
+		var holder = tunaReq.holder
 
 
 		var fabric_client = new Fabric_Client();
@@ -137,7 +137,7 @@ return{
 		    tx_id = fabric_client.newTransactionID();
 		    console.log("Assigning transaction_id: ", tx_id._transaction_id);
 
-		    // recordTuna - requires 5 args, ID, vessel, location, timestamp,holder - ex: args: ['10', 'Hound', '-12.021, 28.012', '1504054225', 'Hansel'], 
+		    // recordTuna - requires 5 args, ID, vessel, location, timestamp,holder - ex: args: ['10', 'Hound', '-12.021, 28.012', '1504054225', 'Hansel'],
 		    // send proposal to endorser
 		    const request = {
 		        //targets : --- letting this default to the peers assigned to the channel
@@ -298,7 +298,7 @@ return{
 		        if (query_responses[0] instanceof Error) {
 		            console.error("error from query = ", query_responses[0]);
 		            res.send("Could not locate tuna")
-		            
+
 		        } else {
 		            console.log("Response is ", query_responses[0].toString());
 		            res.send(query_responses[0].toString())
@@ -315,9 +315,9 @@ return{
 	change_holder: function(req, res){
 		console.log("changing holder of tuna catch: ");
 
-		var array = req.params.holder.split("-");
-		var key = array[0]
-		var holder = array[1];
+		var holderReq = req.body;
+		var key = holderReq.id;
+		var holder = holderReq.name;
 
 		var fabric_client = new Fabric_Client();
 
@@ -471,4 +471,4 @@ return{
 	}
 
 }
-})();
\ No newline at end of file
+})();
diff --git a/LFS171x/fabric-material/tuna-app/routes.js b/LFS171x/fabric-material/tuna-app/routes.js
index 59ebce1c..2fe168e7 100644
--- a/LFS171x/fabric-material/tuna-app/routes.js
+++ b/LFS171x/fabric-material/tuna-app/routes.js
@@ -7,13 +7,13 @@ module.exports = function(app){
   app.get('/get_tuna/:id', function(req, res){
     tuna.get_tuna(req, res);
   });
-  app.get('/add_tuna/:tuna', function(req, res){
+  app.post('/add_tuna', function(req, res){
     tuna.add_tuna(req, res);
   });
   app.get('/get_all_tuna', function(req, res){
     tuna.get_all_tuna(req, res);
   });
-  app.get('/change_holder/:holder', function(req, res){
+  app.post('/change_holder', function(req, res){
     tuna.change_holder(req, res);
   });
 }
diff --git a/LFS171x/fabric-material/tuna-app/server.js b/LFS171x/fabric-material/tuna-app/server.js
index 93d64226..4e033107 100644
--- a/LFS171x/fabric-material/tuna-app/server.js
+++ b/LFS171x/fabric-material/tuna-app/server.js
@@ -20,9 +20,6 @@ var os            = require('os');
 app.use(bodyParser.urlencoded({ extended: true }));
 app.use(bodyParser.json());
 
-// instantiate the app
-var app = express();
-
 // this line requires and runs the code from our routes.js file and passes it app
 require('./routes.js')(app);