diff --git a/validations/session.js b/validations/session.js
new file mode 100644
index 0000000..ddccfd9
--- /dev/null
+++ b/validations/session.js
@@ -0,0 +1,12 @@
+const Joi = require('joi');
+
+// The validation used when creating a new session
+module.exports.create = Joi.object({
+    username: Joi.string()
+        .alphanum()
+        .min(5)
+        .max(15)
+        .required(),
+    password: Joi.string()
+        .required()
+});
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