diff --git a/handler/app.py b/handler/app.py
index 8fa1078..a30038e 100755
--- a/handler/app.py
+++ b/handler/app.py
@@ -20,14 +20,14 @@ from notify import Notify
 from markets import Markets
 from money import Money
 
-# from sinks.nordigen import Nordigen
-# from sinks.yapily import Yapily
+from sinks.nordigen import Nordigen
 from sinks.truelayer import TrueLayer
 from sinks.fidor import Fidor
 
 init_map = None
 
 
+# TODO: extend this with more
 def cleanup(sig, frame):
     if init_map:
         try:
@@ -74,11 +74,13 @@ class WebApp(object):
         # self.tx.transaction(parsed)
         return dumps(True)
 
+    # set up another connection to a bank
     @app.route("/signin", methods=["GET"])
     def signin(self, request):
         auth_url = self.truelayer.create_auth_url()
         return f'Please sign in <a href="{auth_url}" target="_blank">here.</a>'
 
+    # endpoint called after we finish setting up a connection above
     @app.route("/callback-truelayer", methods=["POST"])
     def signin_callback(self, request):
         code = request.args[b"code"]
@@ -88,7 +90,7 @@ class WebApp(object):
     @app.route("/accounts", methods=["GET"])
     def balance(self, request):
         accounts = self.truelayer.get_accounts()
-        return dumps(accounts)
+        return dumps(accounts, indent=2)
 
 
 if __name__ == "__main__":
@@ -98,8 +100,7 @@ if __name__ == "__main__":
         "agora": Agora(),
         "markets": Markets(),
         "revolut": Revolut(),
-        # "nordigen": Nordigen(),
-        # "yapily": Yapily(),
+        "nordigen": Nordigen(),
         "truelayer": TrueLayer(),
         "fidor": Fidor(),
         "tx": Transactions(),
@@ -110,19 +111,19 @@ if __name__ == "__main__":
     util.xmerge_attrs(init_map)
 
     # Setup the authcode -> refresh token and refresh_token -> auth_token stuff
-    util.setup_call_loops(
-        token_setting=settings.Revolut.SetupToken,
-        function_init=init_map["revolut"].setup_auth,
-        function_continuous=init_map["revolut"].get_new_token,
-        delay=int(settings.Revolut.RefreshSec),
-        function_post_start=init_map["revolut"].setup_webhook,
-    )
-    util.setup_call_loops(
-        token_setting=settings.TrueLayer.SetupToken,
-        function_init=init_map["truelayer"].setup_auth,
-        function_continuous=init_map["truelayer"].get_new_token,
-        delay=int(settings.TrueLayer.RefreshSec),
-    )
+    # util.setup_call_loops(
+    #    token_setting=settings.Revolut.SetupToken,
+    #    function_init=init_map["revolut"].setup_auth,
+    #    function_continuous=init_map["revolut"].get_new_token,
+    #    delay=int(settings.Revolut.RefreshSec),
+    #    function_post_start=init_map["revolut"].setup_webhook,
+    # )
+    # util.setup_call_loops(
+    #    token_setting=settings.TrueLayer.SetupToken,
+    #    function_init=init_map["truelayer"].setup_auth,
+    #    function_continuous=init_map["truelayer"].get_new_token,
+    #    delay=int(settings.TrueLayer.RefreshSec),
+    # )
 
     # Set up the loops to put data in ES
     init_map["tx"].setup_loops()
diff --git a/handler/commands.py b/handler/commands.py
index c05e6ad..6fe2989 100644
--- a/handler/commands.py
+++ b/handler/commands.py
@@ -485,3 +485,13 @@ class IRCCommands(object):
         def run(cmd, spl, length, authed, msg, agora, revolut, tx, notify):
             total = tx.money.get_profit(True)
             msg(f"Profit: {total}USD")
+
+    class signin(object):
+        name = "signin"
+        authed = True
+        helptext = "Generate a TrueLayer signin URL."
+
+        @staticmethod
+        def run(cmd, spl, length, authed, msg, agora, revolut, tx, notify):
+            auth_url = agora.truelayer.create_auth_url()
+            msg(f"Auth URL: {auth_url}")
diff --git a/handler/sinks/yapily.py b/handler/sinks/yapily.py
deleted file mode 100644
index 48971e4..0000000
--- a/handler/sinks/yapily.py
+++ /dev/null
@@ -1,53 +0,0 @@
-# Twisted/Klein imports
-from twisted.logger import Logger
-
-# Other library imports
-import requests
-from requests.auth import HTTPBasicAuth
-from json import dumps
-from simplejson.errors import JSONDecodeError
-
-# Project imports
-from settings import settings
-
-
-class Yapily(object):
-    """
-    Class to manage calls to Open Banking APIs through Yapily.
-    """
-
-    def __init__(self):
-        self.log = Logger("yapily")
-        self.auth = HTTPBasicAuth(settings.Yapily.ID, settings.Yapily.Key)
-        print(self.get_institutions())
-        authorisation = self.get_authorisation("monzo_ob", settings.Yapily.CallbackURL)
-        print("authirisation", authorisation)
-
-    def get_institutions(self, filter_name=None):
-        """
-        Get a list of supported institutions.
-        """
-
-        path = f"{settings.Yapily.Base}/institutions"
-        r = requests.get(path, auth=self.auth)
-        try:
-            parsed = r.json()
-        except JSONDecodeError:
-            self.log.error("Error parsing institutions response: {content}", content=r.content)
-            return False
-        return parsed
-
-    def get_authorisation(self, institution_id, callback_url):
-        """
-        Get an authorisation URL for linking a bank account of an institution.
-        """
-        headers = {"Content-Type": "application/json"}
-        data = {"applicationUserId": "account-data-and-transactions-tutorial", "institutionId": institution_id, "callback": callback_url}
-        path = f"{settings.Yapily.Base}/account-auth-requests"
-        r = requests.post(path, headers=headers, data=dumps(data), auth=self.auth)
-        try:
-            parsed = r.json()
-        except JSONDecodeError:
-            self.log.error("Error parsing institutions response: {content}", content=r.content)
-            return False
-        return parsed