diff --git a/src/node/db/API.js b/src/node/db/API.js
index 7a9ce41fa..37dbabe0f 100644
--- a/src/node/db/API.js
+++ b/src/node/db/API.js
@@ -19,6 +19,7 @@
  */
 
 var ERR = require("async-stacktrace");
+var semver = require("semver");
 var customError = require("../utils/customError");
 var padManager = require("./PadManager");
 var padMessageHandler = require("../handler/PadMessageHandler");
@@ -32,43 +33,52 @@ var importHtml = require("../utils/ImportHtml");
 var cleanText = require("./Pad").cleanText;
 var PadDiff = require("../utils/padDiff");
 
+var API = {
+  ">=1": {},
+  ">=1.1": {},
+  ">=1.2": {},
+  ">=1.2.1": {},
+  ">=1.2.7": {}
+};
+
+
 /**********************/
 /**GROUP FUNCTIONS*****/
 /**********************/
 
-exports.listAllGroups = groupManager.listAllGroups;
-exports.createGroup = groupManager.createGroup;
-exports.createGroupIfNotExistsFor = groupManager.createGroupIfNotExistsFor;
-exports.deleteGroup = groupManager.deleteGroup;
-exports.listPads = groupManager.listPads;
-exports.createGroupPad = groupManager.createGroupPad;
+API[">=1.1"].listAllGroups = groupManager.listAllGroups;
+API[">=1"].createGroup = groupManager.createGroup;
+API[">=1"].createGroupIfNotExistsFor = groupManager.createGroupIfNotExistsFor;
+API[">=1"].deleteGroup = groupManager.deleteGroup;
+API[">=1"].listPads = groupManager.listPads;
+API[">=1"].createGroupPad = groupManager.createGroupPad;
 
 /**********************/
 /**PADLIST FUNCTION****/
 /**********************/
 
-exports.listAllPads = padManager.listAllPads;
+API[">=1.2.1"].listAllPads = padManager.listAllPads;
 
 /**********************/
 /**AUTHOR FUNCTIONS****/
 /**********************/
 
-exports.createAuthor = authorManager.createAuthor;
-exports.createAuthorIfNotExistsFor = authorManager.createAuthorIfNotExistsFor;
-exports.getAuthorName = authorManager.getAuthorName;
-exports.listPadsOfAuthor = authorManager.listPadsOfAuthor;
-exports.padUsers = padMessageHandler.padUsers;
-exports.padUsersCount = padMessageHandler.padUsersCount;
+API[">=1"].createAuthor = authorManager.createAuthor;
+API[">=1"].createAuthorIfNotExistsFor = authorManager.createAuthorIfNotExistsFor;
+API[">=1.1"].getAuthorName = authorManager.getAuthorName;
+API[">=1"].listPadsOfAuthor = authorManager.listPadsOfAuthor;
+API[">=1.1"].padUsers = padMessageHandler.padUsers;
+API[">=1"].padUsersCount = padMessageHandler.padUsersCount;
 
 /**********************/
 /**SESSION FUNCTIONS***/
 /**********************/
 
-exports.createSession = sessionManager.createSession;
-exports.deleteSession = sessionManager.deleteSession;
-exports.getSessionInfo = sessionManager.getSessionInfo;
-exports.listSessionsOfGroup = sessionManager.listSessionsOfGroup;
-exports.listSessionsOfAuthor = sessionManager.listSessionsOfAuthor;
+API[">=1"].createSession = sessionManager.createSession;
+API[">=1"].deleteSession = sessionManager.deleteSession;
+API[">=1"].getSessionInfo = sessionManager.getSessionInfo;
+API[">=1"].listSessionsOfGroup = sessionManager.listSessionsOfGroup;
+API[">=1"].listSessionsOfAuthor = sessionManager.listSessionsOfAuthor;
 
 /************************/
 /**PAD CONTENT FUNCTIONS*/
@@ -82,7 +92,7 @@ Example returns:
 {code: 0, message:"ok", data: {text:"Welcome Text"}}
 {code: 1, message:"padID does not exist", data: null}
 */
-exports.getText = function(padID, rev, callback)
+API[">=1"].getText = function(padID, rev, callback)
 {
   //check if rev is set
   if(typeof rev == "function")
@@ -162,7 +172,7 @@ Example returns:
 {code: 1, message:"padID does not exist", data: null}
 {code: 1, message:"text too long", data: null}
 */
-exports.setText = function(padID, text, callback)
+API[">=1"].setText = function(padID, text, callback)
 {    
   //text is required
   if(typeof text != "string")
@@ -192,7 +202,7 @@ Example returns:
 {code: 0, message:"ok", data: {text:"Welcome <strong>Text</strong>"}}
 {code: 1, message:"padID does not exist", data: null}
 */
-exports.getHTML = function(padID, rev, callback)
+function getHTML(padID, rev, wrapBody, callback)
 {
   if(typeof rev == "function")
   {
@@ -243,8 +253,10 @@ exports.getHTML = function(padID, rev, callback)
       exportHtml.getPadHTML(pad, rev, function(err, html)
       {
           if(ERR(err, callback)) return;
-          html = "<!DOCTYPE HTML><html><body>" +html; // adds HTML head
-          html += "</body></html>";
+          if(wrapBody) {
+            html = "<!DOCTYPE HTML><html><body>" +html; // adds HTML head
+            html += "</body></html>";
+          }
           data = {html: html};
           callback(null, data);
       });
@@ -255,8 +267,10 @@ exports.getHTML = function(padID, rev, callback)
       exportHtml.getPadHTML(pad, undefined, function (err, html)
       {
         if(ERR(err, callback)) return;
-        html = "<!DOCTYPE HTML><html><body>" +html; // adds HTML head
-        html += "</body></html>";
+        if(wrapBody){
+          html = "<!DOCTYPE HTML><html><body>" +html; // adds HTML head
+          html += "</body></html>";
+        }
         data = {html: html};
         callback(null, data);
       });
@@ -264,7 +278,12 @@ exports.getHTML = function(padID, rev, callback)
   });
 }
 
-exports.setHTML = function(padID, html, callback)
+API[">=1"].getHTML = function(padID, rev, callback){ return getHTML(padID, rev, false, callback); };
+
+// this overrides the getHTML function for api version >= 1.2.7
+API[">=1.2.7"].getHTML = function(padID, rev, callback){ return getHTML(padID, rev, true, callback); };
+
+API[">=1"].setHTML = function(padID, html, callback)
 {
   //get the pad
   getPadSafe(padID, true, function(err, pad)
@@ -296,7 +315,7 @@ Example returns:
 
 {code: 1, message:"padID does not exist", data: null}
 */
-exports.getChatHistory = function(padID, start, end, callback)
+API[">=1.2.7"].getChatHistory = function(padID, start, end, callback)
 {
   if(start && end)
   {
@@ -363,7 +382,7 @@ Example returns:
 {code: 0, message:"ok", data: {revisions: 56}}
 {code: 1, message:"padID does not exist", data: null}
 */
-exports.getRevisionsCount = function(padID, callback)
+API[">=1"].getRevisionsCount = function(padID, callback)
 {
   //get the pad
   getPadSafe(padID, true, function(err, pad)
@@ -382,7 +401,7 @@ Example returns:
 {code: 0, message:"ok", data: {lastEdited: 1340815946602}}
 {code: 1, message:"padID does not exist", data: null}
 */
-exports.getLastEdited = function(padID, callback)
+API[">=1"].getLastEdited = function(padID, callback)
 {
   //get the pad
   getPadSafe(padID, true, function(err, pad)
@@ -403,7 +422,7 @@ Example returns:
 {code: 0, message:"ok", data: null}
 {code: 1, message:"pad does already exist", data: null}
 */
-exports.createPad = function(padID, text, callback)
+API[">=1"].createPad = function(padID, text, callback)
 {  
   //ensure there is no $ in the padID
   if(padID && padID.indexOf("$") != -1)
@@ -428,7 +447,7 @@ Example returns:
 {code: 0, message:"ok", data: null}
 {code: 1, message:"padID does not exist", data: null}
 */
-exports.deletePad = function(padID, callback)
+API[">=1"].deletePad = function(padID, callback)
 {
   getPadSafe(padID, true, function(err, pad)
   {
@@ -446,7 +465,7 @@ Example returns:
 {code: 0, message:"ok", data: null}
 {code: 1, message:"padID does not exist", data: null}
 */
-exports.getReadOnlyID = function(padID, callback)
+API[">=1"].getReadOnlyID = function(padID, callback)
 {
   //we don't need the pad object, but this function does all the security stuff for us
   getPadSafe(padID, true, function(err)
@@ -470,7 +489,7 @@ Example returns:
 {code: 0, message:"ok", data: null}
 {code: 1, message:"padID does not exist", data: null}
 */
-exports.setPublicStatus = function(padID, publicStatus, callback)
+API[">=1"].setPublicStatus = function(padID, publicStatus, callback)
 {
   //ensure this is a group pad
   if(padID && padID.indexOf("$") == -1)
@@ -503,7 +522,7 @@ Example returns:
 {code: 0, message:"ok", data: {publicStatus: true}}
 {code: 1, message:"padID does not exist", data: null}
 */
-exports.getPublicStatus = function(padID, callback)
+API[">=1"].getPublicStatus = function(padID, callback)
 {
   //ensure this is a group pad
   if(padID && padID.indexOf("$") == -1)
@@ -529,7 +548,7 @@ Example returns:
 {code: 0, message:"ok", data: null}
 {code: 1, message:"padID does not exist", data: null}
 */
-exports.setPassword = function(padID, password, callback)
+API[">=1"].setPassword = function(padID, password, callback)
 {
   //ensure this is a group pad
   if(padID && padID.indexOf("$") == -1)
@@ -558,7 +577,7 @@ Example returns:
 {code: 0, message:"ok", data: {passwordProtection: true}}
 {code: 1, message:"padID does not exist", data: null}
 */
-exports.isPasswordProtected = function(padID, callback)
+API[">=1"].isPasswordProtected = function(padID, callback)
 {
   //ensure this is a group pad
   if(padID && padID.indexOf("$") == -1)
@@ -584,7 +603,7 @@ Example returns:
 {code: 0, message:"ok", data: {authorIDs : ["a.s8oes9dhwrvt0zif", "a.akf8finncvomlqva"]}
 {code: 1, message:"padID does not exist", data: null}
 */
-exports.listAuthorsOfPad = function(padID, callback)
+API[">=1"].listAuthorsOfPad = function(padID, callback)
 {
   //get the pad
   getPadSafe(padID, true, function(err, pad)
@@ -618,7 +637,7 @@ Example returns:
 {code: 1, message:"padID does not exist"}
 */
 
-exports.sendClientsMessage = function (padID, msg, callback) {
+API[">=1.1"].sendClientsMessage = function (padID, msg, callback) {
   getPadSafe(padID, true, function (err, pad) {
     if (ERR(err, callback)) {
       return;
@@ -636,7 +655,7 @@ Example returns:
 {"code":0,"message":"ok","data":null}
 {"code":4,"message":"no or wrong API Key","data":null}
 */
-exports.checkToken = function(callback)
+API[">=1.2"].checkToken = function(callback)
 {
   callback();
 }
@@ -649,7 +668,7 @@ Example returns:
 {code: 0, message:"ok", data: {chatHead: 42}}
 {code: 1, message:"padID does not exist", data: null}
 */
-exports.getChatHead = function(padID, callback)
+API[">=1.2.7"].getChatHead = function(padID, callback)
 {
   //get the pad
   getPadSafe(padID, true, function(err, pad)
@@ -667,7 +686,7 @@ Example returns:
 {"code":0,"message":"ok","data":{"html":"<style>\n.authora_HKIv23mEbachFYfH {background-color: #a979d9}\n.authora_n4gEeMLsv1GivNeh {background-color: #a9b5d9}\n.removed {text-decoration: line-through; -ms-filter:'progid:DXImageTransform.Microsoft.Alpha(Opacity=80)'; filter: alpha(opacity=80); opacity: 0.8; }\n</style>Welcome to Etherpad Lite!<br><br>This pad text is synchronized as you type, so that everyone viewing this page sees the same text. This allows you to collaborate seamlessly on documents!<br><br>Get involved with Etherpad at <a href=\"http&#x3a;&#x2F;&#x2F;etherpad&#x2e;org\">http:&#x2F;&#x2F;etherpad.org</a><br><span class=\"authora_HKIv23mEbachFYfH\">aw</span><br><br>","authors":["a.HKIv23mEbachFYfH",""]}}
 {"code":4,"message":"no or wrong API Key","data":null}
 */
-exports.createDiffHTML = function(padID, startRev, endRev, callback){
+API[">=1.2.7"].createDiffHTML = function(padID, startRev, endRev, callback){
   //check if rev is a number
   if(startRev !== undefined && typeof startRev != "number")
   {
@@ -794,3 +813,33 @@ function getPadSafe(padID, shouldExist, text, callback)
     }
   });
 }
+
+// cache the API functions for each version
+var _CACHE = {};
+
+module.exports = function(apiVersion) {
+
+  // Get a proper version x.y.z
+  var v = apiVersion.split(".");
+  var apiVersion = [v[0]||'0', v[1]||'0', v[2]||'0'].join(".");
+
+  if (! _CACHE[apiVersion]) {
+
+    _CACHE[apiVersion] = {};
+
+    // got through each of the semver rules
+    for(var version in API) {
+
+      // if the rule satisfies the required version
+      if (semver.satisfies(apiVersion, version)) {
+        // Add these functions
+        for (var fn in API[version]) {
+          _CACHE[apiVersion][fn] = API[version][fn];
+        }
+      }
+    }
+
+  }
+  
+  return _CACHE[apiVersion];
+};
\ No newline at end of file
diff --git a/src/node/handler/APIHandler.js b/src/node/handler/APIHandler.js
index 9f86277a0..76e504178 100644
--- a/src/node/handler/APIHandler.js
+++ b/src/node/handler/APIHandler.js
@@ -21,7 +21,6 @@
 
 var ERR = require("async-stacktrace");
 var fs = require("fs");
-var api = require("../db/API");
 var padManager = require("../db/PadManager");
 var randomString = require('ep_etherpad-lite/static/js/pad_utils').randomString;
 
@@ -326,6 +325,8 @@ function callAPI(apiVersion, functionName, fields, req, res)
     }
   });
   
+  var api = require("../db/API")(apiVersion);
+
   //call the api function
   api[functionName](functionParams[0],functionParams[1],functionParams[2],functionParams[3],functionParams[4]);
 }
diff --git a/src/package.json b/src/package.json
index 03df87f9b..64641031b 100644
--- a/src/package.json
+++ b/src/package.json
@@ -36,7 +36,8 @@
                       "tinycon"                 : "0.0.1",
                       "underscore"              : "1.3.1",
                       "unorm"                   : "1.0.0",
-                      "languages4translatewiki" : "0.1.3"
+                      "languages4translatewiki" : "0.1.3",
+                      "semver"                  : "1.1.3"
                      },
   "bin":             { "etherpad-lite": "./node/server.js" },
   "devDependencies": {