diff --git a/resources/schema/Administrator.json b/resources/schema/Administrator.json
new file mode 100644
index 00000000..e95359e8
--- /dev/null
+++ b/resources/schema/Administrator.json
@@ -0,0 +1,23 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "allOf": [
+    {
+      "$ref": "User.json#/definitions/user"
+    },
+    {
+      "type": "object",
+      "properties": {
+        "job_title": {
+          "type": "string",
+          "minLength": 4
+        },
+        "is_super_admin": {
+          "type": "boolean"
+        }
+      },
+      "required": [
+        "job_title"
+      ]
+    }
+  ]
+}
diff --git a/resources/schema/Client.json b/resources/schema/Client.json
new file mode 100644
index 00000000..842b1652
--- /dev/null
+++ b/resources/schema/Client.json
@@ -0,0 +1,30 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "allOf": [
+    {
+      "$ref": "User.json#/definitions/user"
+    },
+    {
+      "type": "object",
+      "properties": {
+        "street": {
+          "type": "string",
+          "minLength": 4
+        },
+        "city": {
+          "type": "string",
+          "minLength": 3
+        },
+        "district_id": {
+          "type": "integer",
+          "minimum": 1
+        }
+      },
+      "required": [
+        "street",
+        "city",
+        "district_id"
+      ]
+    }
+  ]
+}
diff --git a/resources/schema/Comment.json b/resources/schema/Comment.json
index 155d450f..a6ed716d 100644
--- a/resources/schema/Comment.json
+++ b/resources/schema/Comment.json
@@ -3,12 +3,32 @@
   "title": "Comment",
   "type": "object",
   "properties": {
-    "comment_id": { "type": "integer" },
-    "text": { "type": "string", "minLength": 1, "maxLength": 2000 },
-    "created_date": { "type": "string", "format": "date-time" },
-    "parent_comment_id": { "type": "integer" },
-    "user_id": { "type": "integer" },
-    "review_id": { "type": "integer" }
+    "comment_id": {
+      "type": "integer"
+    },
+    "text": {
+      "type": "string",
+      "minLength": 1,
+      "maxLength": 2000
+    },
+    "created_date": {
+      "type": "string",
+      "format": "date-time"
+    },
+    "parent_comment_id": {
+      "type": "integer"
+    },
+    "user_id": {
+      "type": "integer"
+    },
+    "review_id": {
+      "type": "integer"
+    }
   },
-  "required": ["comment_id", "text", "created_date", "user_id"]
+  "required": [
+    "comment_id",
+    "text",
+    "created_date",
+    "user_id"
+  ]
 }
diff --git a/resources/schema/Product.json b/resources/schema/Product.json
index d1b0bfde..3c6f3dff 100644
--- a/resources/schema/Product.json
+++ b/resources/schema/Product.json
@@ -48,7 +48,16 @@
       "description": "The date and time when the product was created"
     }
   },
-  "required": ["name", "calories", "img_url", "img_alt_text", "category", "price", "description", "created_date"],
+  "required": [
+    "name",
+    "calories",
+    "img_url",
+    "img_alt_text",
+    "category",
+    "price",
+    "description",
+    "created_date"
+  ],
   "additionalProperties": false,
   "patternProperties": {
     "img_url": {
diff --git a/resources/schema/Review.json b/resources/schema/Review.json
index c5e2863a..04657aa2 100644
--- a/resources/schema/Review.json
+++ b/resources/schema/Review.json
@@ -3,12 +3,36 @@
   "title": "Review",
   "type": "object",
   "properties": {
-    "review_id": { "type": "integer" },
-    "rating": { "type": "integer", "minimum": 1, "maximum": 5 },
-    "created_date": { "type": "string", "format": "date-time" },
-    "text": { "type": "string", "minLength": 2, "maxLength": 2000 },
-    "client_id": { "type": "integer" },
-    "product_id": { "type": "integer" }
+    "review_id": {
+      "type": "integer"
+    },
+    "rating": {
+      "type": "integer",
+      "minimum": 1,
+      "maximum": 5
+    },
+    "created_date": {
+      "type": "string",
+      "format": "date-time"
+    },
+    "text": {
+      "type": "string",
+      "minLength": 2,
+      "maxLength": 2000
+    },
+    "client_id": {
+      "type": "integer"
+    },
+    "product_id": {
+      "type": "integer"
+    }
   },
-  "required": ["review_id", "rating", "created_date", "text", "client_id", "product_id"]
+  "required": [
+    "review_id",
+    "rating",
+    "created_date",
+    "text",
+    "client_id",
+    "product_id"
+  ]
 }
diff --git a/resources/schema/User.json b/resources/schema/User.json
new file mode 100644
index 00000000..b1c3ac74
--- /dev/null
+++ b/resources/schema/User.json
@@ -0,0 +1,41 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "definitions": {
+    "user": {
+      "type": "object",
+      "properties": {
+        "user_id": {
+          "type": "integer",
+          "minimum": 1
+        },
+        "email": {
+          "type": "string",
+          "format": "email"
+        },
+        "first_name": {
+          "type": "string",
+          "minLength": 3
+        },
+        "password": {
+          "type": "string",
+          "minLength": 8
+        },
+        "phone_no": {
+          "type": "string",
+          "minLength": 7
+        },
+        "last_name": {
+          "type": "string",
+          "minLength": 3
+        }
+      },
+      "required": [
+        "user_id",
+        "email",
+        "first_name",
+        "password",
+        "phone_no"
+      ]
+    }
+  }
+}
\ No newline at end of file