diff --git a/src/bitly.clj b/src/bitly.clj
index 3e91913..1be8b15 100644
--- a/src/bitly.clj
+++ b/src/bitly.clj
@@ -3,9 +3,8 @@
             [clj-http.util :as util]
             [clojure.data.json :as json]))
 
-(def ^:dynamic *api-user* nil)
-(def ^:dynamic *api-key* nil)
-(def ^:dynamic *api-base* "http://api.bitly.com/v3/")
+(def ^:dynamic *access-token* nil)
+(def ^:dynamic *api-base* "https://api-ssl.bitly.com/v3/")
 
 (defn generate-query-string [params]
   "Generate query string allowing for duplicate parameters"
@@ -31,24 +30,21 @@
     [k values]))
 
 (defn- build-request-url [method params]
-  (if (and *api-user* *api-key*)
-    (let [base-params ["login" *api-user*
-                       "apiKey" *api-key*
-                       "format" "json"]
+  (if *access-token*
+    (let [base-params ["access_token" *access-token*]
          base-url *api-base*
          full-params (concat base-params params)]
      (str base-url method "?"
           (generate-query-string full-params)))
-   (throw (IllegalArgumentException. "Must supply a Bitly API user and key.")))) 
+   (throw (IllegalArgumentException. "Must supply a Bitly access token.")))) 
 
 (defn- request-data [url]
-  (:data (json/read-str (:body (client/get url)))))
+  (get (json/read-str (:body (client/get url))) "data"))
 
 (defmacro with-auth
   "Sets the API user and API key for Bitly API requests"
-  [api-user api-key & body]
-  `(binding [*api-user* ~api-user
-             *api-key* ~api-key]
+  [access-token & body]
+  `(binding [*access-token* ~access-token]
      (do
        ~@body)))
 
@@ -75,11 +71,68 @@
      (:clicks (request-data request-url)))))
 
 
-(defn user-clicks []
-  (let [request-url (build-request-url "user/clicks"
-                                       (expand-args "unit" "month"))]
-    (:clicks (request-data request-url))))
+(defn user-clicks 
+  "Returns the aggregate number of clicks on all of the authenticated user's bitly links.
 
+   Parameters:
+
+   * unit - minute, hour, day, week or month, default: day 
+      Note: when unit is minute the maximum value for units is 60.
+
+   * units - an integer representing the time units to query data for. Pass -1 to return all units of time.
+   * timezone - an integer hour offset from UTC (-14 to 14), or a timezone string default: America/New_York.
+   * rollup - true or false. Return data for multiple units rolled up to a single result instead of a separate value for each period of time.
+   * limit - 1 to 1000 (default=100).
+   * unit_reference_ts - an epoch timestamp, indicating the most recent time for which to pull metrics, default: now. 
+     Note: the value of unit_reference_ts rounds to the nearest unit. 
+     Note: historical data is stored hourly beyond the most recent 60 minutes. If a unit_reference_ts is specified, unit cannot be minute.
+"
+  [& {:keys [unit units timezone rollup limit unit_reference_ts] :or {unit "day" units "7" timezone "0" rollup "false" limit "100" unit_reference_ts "now"}}]
+  (let [request-url (build-request-url "user/clicks" ["unit" unit "units" units "timezone" timezone "rollup" rollup "limit" limit "unit_reference_ts" unit_reference_ts])]
+    (request-data request-url)))
+
+
+(defn user-popular-links
+"Returns the authenticated user's most-clicked bitly links (ordered by number of clicks) in a given time period.
+Parameters
+unit - minute | hour | day | week | month default:day 
+Note: when unit is minute the maximum value for units is 60
+units = an integer representing the time units to query data for. pass -1 to return all units of time.
+timezone - an integer hour offset from UTC (-14..14), or a timezone string default:America/New_York.
+limit=1..1000 (default=100)
+unit_reference_ts - an epoch timestamp, indicating the most recent time for which to pull metrics. default:now 
+Note: the value of unit_reference_ts rounds to the nearest unit. 
+Note: historical data is stored hourly beyond the most recent 60 minutes. If a unit_reference_ts is specified, unit cannot be minute.
+"
+[& {:keys [unit units timezone limit unit_reference_ts] :or {unit "day" units "7" timezone "0" limit "100" unit_reference_ts "now"}}]
+(let [request-url (build-request-url "user/popular_links" ["unit" unit "units" units "timezone" timezone "limit" limit "unit_reference_ts" unit_reference_ts])]
+    (request-data request-url)))
+
+(defn user-countries
+  "Returns aggregate metrics about the countries referring click traffic to all of the authenticated user's bitly links." []
+  (let [request-url (build-request-url "user/countries" nil)]
+    (request-data request-url)))
+
+
+(defn user-info []
+  (let [request-url (build-request-url "user/info" nil)]
+    (request-data request-url)))
+
+(defn user-link-history []
+  (let [request-url (build-request-url "user/link_history" nil)]
+    (request-data request-url)))
+
+(defn user-network-history []
+  (let [request-url (build-request-url "user/network_history" nil)]
+    (request-data request-url)))
+
+(defn user-tracking-domain-list []
+  (let [request-url (build-request-url "user/tracking_domain_list" nil)]
+    (request-data request-url)))
+
+
+
+;; deprecated
 (defn clicks-by-minute [short-urls]
   (if (and (coll? short-urls) (> (count short-urls) 15))
     (throw (IllegalArgumentException.
@@ -88,6 +141,7 @@
                                         (expand-args "shortUrl" short-urls))]
      (:clicks_by_minute (request-data request-url)))))
 
+;; deprecated
 (defn clicks-by-day [short-urls]
   (if (and (coll? short-urls) (> (count short-urls) 15))
     (throw (IllegalArgumentException.
@@ -100,6 +154,7 @@
   (let [request-url (build-request-url "bitly_pro_domain" ["domain" domain])]
     (request-data request-url)))
 
+;; deprecated
 (defn lookup [long-urls]
   (if (and (coll? long-urls) (> (count long-urls) 15))
     (throw
@@ -113,3 +168,7 @@
 (defn info [short-url]
   (let [request-url (build-request-url "info" ["shortUrl" short-url])]
     (request-data request-url)))
+
+(defn expand [short-url]
+  (let [request-url (build-request-url "expand" ["shortUrl" short-url])]
+    (request-data request-url)))