diff --git a/.env b/.env
deleted file mode 100644
index 6ea3292..0000000
--- a/.env
+++ /dev/null
@@ -1 +0,0 @@
-baseUrl="https://nw.rayvarz.center/api"
\ No newline at end of file
diff --git a/.httpyac.json b/.httpyac.json
new file mode 100644
index 0000000..bcf5d6e
--- /dev/null
+++ b/.httpyac.json
@@ -0,0 +1,10 @@
+{
+  "environments": {
+    "nw-center": {
+      "host": "https://nw.rayvarz.center/api"
+    },
+    "mock-sandbox": {
+      "host": "https://pdgw7l-8080.csb.ap"
+    }
+  }
+}
diff --git a/Ordering.http b/Ordering.http
new file mode 100644
index 0000000..2b496d0
--- /dev/null
+++ b/Ordering.http
@@ -0,0 +1,32 @@
+# @import ./PreScript.http
+###
+
+GET /products?order=id.desc
+?? status == 200
+?? js response.parsedBody[0].id == 77
+
+?? js response.parsedBody[76].id == 1
+###
+
+GET /products?order=id
+?? status == 200
+?? js response.parsedBody[0].id == 1
+?? js response.parsedBody[76].id == 77
+
+###
+
+GET /products?order=product_name.asc
+?? status == 200
+?? js response.parsedBody[0].id == 17
+?? js response.parsedBody[76].id == 47
+?? js response.parsedBody[0].product_name startsWith A
+?? js response.parsedBody[76].product_name startsWith Z
+
+###
+
+GET /products?order=product_name.desc
+?? status == 200
+?? js response.parsedBody[0].id == 47
+?? js response.parsedBody[76].id == 17
+?? js response.parsedBody[0].product_name startsWith Z
+?? js response.parsedBody[76].product_name startsWith A
\ No newline at end of file
diff --git a/PreScript.http b/PreScript.http
new file mode 100644
index 0000000..e996b66
--- /dev/null
+++ b/PreScript.http
@@ -0,0 +1,15 @@
+{{
+    const axios = require('axios');
+    const wait = axios.get(`${host}/products`).then(res => {
+        let length = res.data.length;
+        let exists = res.data.find(item => item.id === 78);
+        if(length===78 && exists){
+            return axios.delete(`${host}/products?id=eq.78`)
+            .then(res => {
+                return null;
+            })
+        }
+        return null;
+    })
+    exports.wait = wait;
+}}
\ No newline at end of file
diff --git a/PreferHeader.http b/PreferHeader.http
new file mode 100644
index 0000000..7171b0d
--- /dev/null
+++ b/PreferHeader.http
@@ -0,0 +1,44 @@
+ # @import ./PreScript.http
+###
+
+POST /products
+Content-Type: application/json
+Prefer: return=representation
+
+{
+  "id": 78,
+  "product_name": "Saffaron",
+  "discontinued": 0,
+  "supplier_id": 12,
+  "category_id": 2,
+  "quantity_per_unit": "20 mg",
+  "unit_price": 100,
+  "units_in_stock": 50,
+  "units_on_order": 0,
+  "reorder_level": 10
+}
+?? status == 201
+?? js response.parsedBody.length == 1
+?? js response.parsedBody[0].id == 78
+?? js response.parsedBody[0].product_name == Saffaron
+
+###
+
+POST /products
+Content-Type: application/json
+Prefer: return=headers-only
+
+{
+  "id": 78,
+  "product_name": "Saffaron",
+  "discontinued": 0,
+  "supplier_id": 12,
+  "category_id": 2,
+  "quantity_per_unit": "20 mg",
+  "unit_price": 100,
+  "units_in_stock": 50,
+  "units_on_order": 0,
+  "reorder_level": 10
+}
+?? status == 201
+?? header location == /products?id=eq.78
diff --git a/Rest.http b/Rest.http
index e7003e4..c7f636a 100644
--- a/Rest.http
+++ b/Rest.http
@@ -1,35 +1,19 @@
-{{
-    const axios = require('axios');
-
-    const wait = axios.get(`${baseUrl}/products`).then(res => {
-        let length = res.data.length;
-        let exists = res.data.find(item => item.id === 78);
-        if(length===78 && exists){
-            return axios.delete(`${baseUrl}/products?id=eq.78`)
-            .then(res => {
-                return null;
-            })
-        }
-        return null;
-    })
-    exports.wait = wait;
-}}
+# @import ./PreScript.http
 ###
 
-GET {{baseUrl}}/products/1
+GET /products/1
 ?? status == 200
 ?? body product_name == Chai
 ?? body id == 1
 
 ###
-
-GET {{baseUrl}}/products
+GET /products
 ?? status == 200
 ?? body length == 77
 
 ###
 
-POST {{baseUrl}}/products
+POST /products
 Content-Type: application/json
 
 {
@@ -62,13 +46,13 @@ Content-Type: application/json
     "units_on_order": 0,
     "reorder_level": 10
     }
-    const wait = axios.post(`${baseUrl}/products`, postData, {headers:{  'Content-Type': 'application/json'} }).then(res => {
+    const wait = axios.post(`${host}/products`, postData, {headers:{  'Content-Type': 'application/json'} }).then(res => {
         return null;
     })
     exports.wait = wait;
 }}
 
-PATCH {{baseUrl}}/products?id=eq.78
+PATCH /products?id=eq.78
 Content-Type: application/json
 
 {
@@ -80,7 +64,7 @@ Content-Type: application/json
     const {expect} = require('chai');
     const axios = require("axios");
 
-    const wait = axios.get(`${baseUrl}/products?id=eq.78`).then(res => {
+    const wait = axios.get(`${host}/products?id=eq.78`).then(res => {
         test("Check Patch", () => 
         {
             expect(res.data[0].product_name).to.equal("Saffaron-patch")
@@ -106,20 +90,20 @@ Content-Type: application/json
         "units_on_order": 0,
         "reorder_level": 10
     }
-    const wait = axios.post(`${baseUrl}/products`, postData, {headers:{  'Content-Type': 'application/json'} } ).then(res => {
+    const wait = axios.post(`${host}/products`, postData, {headers:{  'Content-Type': 'application/json'} } ).then(res => {
         return null;
     })
     exports.wait = wait;
 }}
 
-DELETE {{baseUrl}}/products?id=eq.78
+DELETE /products?id=eq.78
 ?? status == 204
 
 {{
     const {expect} = require('chai');
     const axios = require("axios");
 
-    const wait = axios.get(`${baseUrl}/products`).then(res => {
+    const wait = axios.get(`${host}/products`).then(res => {
         test("Check for Delete", () => {
             expect(res.data.length).to.equal(77);
         })