Now version 2.0.1, I guess.

frontends/API.md

@@ -107,7 +107,7 @@ Host: localhost:8000
 
 ```json
 {
-  "version": "2.0.0",
+  "version": "2.0.1",
   "has_argon2": true,
   "day_names": ["Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday"]
 }
@@ -271,7 +271,8 @@ Content-Type: application/json
 
 #### cURL Example
 
-REF_B64=$(base64 -w0 reference.jpg)
+```bash
+# Prepare base64-encoded images
 REF_B64=$(base64 -w0 reference.jpg)
 CARRIER_B64=$(base64 -w0 carrier.png)
 
@@ -282,7 +283,8 @@ Content-Type: application/json
     \"reference_photo_base64\": \"$REF_B64\",
     \"carrier_image_base64\": \"$CARRIER_B64\",
     \"day_phrase\": \"apple forest thunder\",
-  }" | jq -r '.stego_image_base64' | base64 -d > stego.png
+    \"pin\": \"123456\"
+  }" | jq -r '.stego_image_base64' | base64 -d > stego.png
 ```
 
 ---
@@ -360,6 +362,9 @@ Content-Type: image/png
   --output stego.png
 ```
 
+**With RSA key:**
+```bash
+curl -X POST http://localhost:8000/encode/multipart \
   -F "message=Secret message" \
   -F "day_phrase=apple forest thunder" \
   -F "rsa_key=@mykey.pem" \
@@ -624,7 +629,8 @@ curl -X POST http://localhost:8000/image/info \
   "message": "string"
 }
 ```
-### ImageInfoResponse
+
+### ImageInfoResponse
 
 ```json
 {