readme updated

README.md

@@ -8,4 +8,52 @@ API to generate dynamic QR code for URL / Link, facilitating wifi authentication
 - `POST /wifi_to_qr`: Generate QR code for WiFi credentials.
 - `POST /contact_to_qr`: Generate QR code for contact information.
 - `POST /geo_to_qr`: Generate QR code for geographic location.
-- `POST /email_to_qr`: Generate QR code for an email.
+- `POST /email_to_qr`: Generate QR code for an email.
+
+### Payloads Schema
+
+#### /url_to_qr
+```json
+{
+    "url": "string"
+}
+```
+
+#### /wifi_to_qr
+```json
+{
+    "wifi_name": "string",
+    "wifi_password": "string"
+}
+```
+
+#### /contact_to_qr
+```json
+{
+    "name": "string",
+    "email": "string",
+    "phone": "string",
+    "city": "string",
+    "org": "string",
+    "title": "string",
+    "url": "string"
+}
+```
+
+#### /geo_to_qr
+```json
+{
+    "latitude": 0,
+    "longitude": 0
+}
+```
+
+#### /email_to_qr
+```json
+{
+    "to": "string",
+    "subject": "string",
+    "body": "string",
+    "cc": "string"
+}
+```