diff --git a/ii-doc.txt b/ii-doc.txt
index af4d706..197cd84 100644
--- a/ii-doc.txt
+++ b/ii-doc.txt
@@ -68,7 +68,7 @@ Response: newline-separated list of msgid:base64_msgtext
 
 where base64_msgtext is a Base64-encoded Node-to-Point Message (see below).
 
-- Posting a message -
+- Posting a message (via POST) -
 
 Request: POST /u/point
 Content-Type: application/x-www-form-urlencoded 
@@ -78,6 +78,18 @@ Response: in case of success, must start with "msg ok"
 where base64_msgtext is the Base64-encoded Point-to-Node Message (see below).
 The maximum length of the tmsg field must be 87382 bytes.
 
+- Posting a message (via GET) -
+
+Request: GET /u/point/auth_string/base64_msgtext
+Response: in case of success, must start with "msg ok"
+
+where base64_msgtext is the Base64URL-encoded Point-to-Node Message.
+The maximum length of the tmsg field must be 87382 bytes.
+
+Note: the Base64URL encoding means that after the standard base64 encoding,
+the + character is replaced with -, the / character is replaced with _, and
+the = character is omitted from the end.
+
 Node-to-Point Message format
 ----------------------------
 The encoding must be UTF-8 and the newline separator must be "\n" (ASCII 10).