diff --git a/AnkiConnect.py b/AnkiConnect.py
index 36d2f7c..c6f4897 100644
--- a/AnkiConnect.py
+++ b/AnkiConnect.py
@@ -409,6 +409,16 @@ class AnkiBridge:
             return False
 
 
+    def getIntervals(self, cards, complete=False):
+        intervals = []
+        for card in cards:
+            interval = self.window().col.db.list('select ivl from revlog where cid = ?', card)
+            if not complete:
+                interval = interval[-1]
+            intervals.append(interval)
+        return intervals
+
+
     def startEditing(self):
         self.window().requireReset()
 
@@ -497,6 +507,10 @@ class AnkiBridge:
             return []
 
 
+    def cardsToNotes(self, cards):
+        return self.window().col.db.list('select distinct nid from cards where id in ' + anki.utils.ids2str(cards))
+
+
     def guiBrowse(self, query=None):
         browser = aqt.dialogs.open('Browser', self.window())
         browser.activateWindow()
@@ -728,6 +742,11 @@ class AnkiConnect:
         return self.anki.isSuspended(card)
 
 
+    @webApi
+    def getIntervals(self, cards, complete=False):
+        return self.anki.getIntervals(cards, complete)
+
+
     @webApi
     def upgrade(self):
         response = QMessageBox.question(
@@ -766,6 +785,11 @@ class AnkiConnect:
         return self.anki.findCards(query)
 
 
+    @webApi
+    def cardsToNotes(self, cards):
+        return self.anki.cardsToNotes(cards)
+
+
     @webApi
     def guiBrowse(self, query=None):
         return self.anki.guiBrowse(query)
diff --git a/README.md b/README.md
index b3ec799..43b9c63 100644
--- a/README.md
+++ b/README.md
@@ -404,6 +404,46 @@ Below is a list of currently supported actions. Requests with invalid actions or
     false
     ```
 
+*   **getIntervals**
+
+    Returns an array of the most recent intervals for each given card ID, or a 2-dimensional array of all the intervals
+    for each given card ID when `complete` is `true`. (Negative intervals are in seconds and positive intervals in days.)
+
+    *Sample request 1*:
+    ```
+    {
+        "action": "getIntervals",
+        "params": {
+            "cards": [1502298033753, 1502298036657]
+        }
+    }
+    ```
+
+    *Sample response 1*:
+    ```
+    [-14400, 3]
+    ```
+
+    *Sample request 2*:
+    ```
+    {
+        "action": "getIntervals",
+        "params": {
+            "cards": [1502298033753, 1502298036657],
+            "complete": true
+        }
+    }
+    ```
+
+    *Sample response 2*:
+    ```
+    [
+        [-120, -180, -240, -300, -360, -14400],
+        [-120, -180, -240, -300, -360, -14400, 1, 3]
+    ]
+    ```
+
+
 *   **findNotes**
 
     Returns an array of note IDs for a given query (same query syntax as **guiBrowse**).
@@ -411,7 +451,7 @@ Below is a list of currently supported actions. Requests with invalid actions or
     *Sample request*:
     ```
     {
-        "action": "findCards",
+        "action": "findNotes",
         "params": {
             "query": "deck:current"
         }
@@ -450,6 +490,29 @@ Below is a list of currently supported actions. Requests with invalid actions or
     ]
     ```
 
+*   **cardsToNotes**
+
+    Returns an (unordered) array of note IDs for the given card IDs. For cards with the same note, the ID is only
+    given once in the array.
+
+    *Sample request*:
+    ```
+    {
+        "action": "cardsToNotes",
+        "params": {
+            "cards": [1502098034045, 1502098034048, 1502298033753]
+        }
+    }
+    ```
+
+    *Sample response*:
+    ```
+    [
+        1502098029797,
+        1502298025183
+    ]
+    ```
+
 *   **guiBrowse**
 
     Invokes the card browser and searches for a given query. Returns an array of identifiers of the cards that were found.