diff --git a/apns.py b/apns.py
index ee88642..45f1042 100644
--- a/apns.py
+++ b/apns.py
@@ -215,7 +215,7 @@ class APNSConnection:
             ],
         )
 
-        if token != b"":
+        if token != b"" and token is not None:
             payload.fields.insert(0, APNSField(0x1, token))
 
         await self._send(payload)
@@ -225,7 +225,12 @@ class APNSConnection:
         if payload.fields_with_id(1)[0].value != b"\x00":
             raise Exception("Failed to connect")
 
-        new_token = payload.fields_with_id(3)[0].value
+        if len(payload.fields_with_id(3)) > 0:
+            new_token = payload.fields_with_id(3)[0].value
+        else:
+            if token is None:
+                raise Exception("No token received")
+            new_token = token
 
         logger.debug(
             f"Received connect response with token {b64encode(new_token).decode()}"
@@ -292,7 +297,7 @@ class APNSConnection:
             APNSPayload(
                 0x14,
                 [
-                    APNSField(1, state.to_bytes(4, "big")),
+                    APNSField(1, state.to_bytes(1, "big")),
                     APNSField(2, 0x7FFFFFFF.to_bytes(4, "big")),
                 ],
             )
diff --git a/demo.py b/demo.py
index 319028b..f6c0797 100644
--- a/demo.py
+++ b/demo.py
@@ -23,11 +23,11 @@ logging.getLogger("py.warnings").setLevel(logging.ERROR)  # Ignore warnings from
 logging.getLogger("asyncio").setLevel(logging.WARNING)
 logging.getLogger("jelly").setLevel(logging.INFO)
 logging.getLogger("nac").setLevel(logging.INFO)
-logging.getLogger("apns").setLevel(logging.INFO)
+logging.getLogger("apns").setLevel(logging.DEBUG)
 logging.getLogger("albert").setLevel(logging.INFO)
 logging.getLogger("ids").setLevel(logging.DEBUG)
 logging.getLogger("bags").setLevel(logging.INFO)
-logging.getLogger("imessage").setLevel(logging.INFO)
+logging.getLogger("imessage").setLevel(logging.DEBUG)
 
 logging.captureWarnings(True)
 
@@ -65,13 +65,18 @@ async def main():
     except FileNotFoundError:
         CONFIG = {}
 
+    token = CONFIG.get("push", {}).get("token")
+    if token is not None:
+        token = b64decode(token)
+    else:
+        token = b""
+
     push_creds = apns.PushCredentials(
-        CONFIG.get("push", {}).get("key"), CONFIG.get("push", {}).get("cert"), CONFIG.get("push", {}).get("token")
-    )
+        CONFIG.get("push", {}).get("key", ""), CONFIG.get("push", {}).get("cert", ""), token)
 
     async with apns.APNSConnection.start(push_creds) as conn:
-        conn.set_state(1)
-        conn.filter(["com.apple.madrid"])
+        await conn.set_state(1)
+        await conn.filter(["com.apple.madrid"])
 
         user = ids.IDSUser(conn)
 
@@ -130,4 +135,11 @@ async def main():
         with open("config.json", "w") as f:
             json.dump(CONFIG, f, indent=4)
 
-        im = imessage.iMessageUser(conn, user)
\ No newline at end of file
+        im = imessage.iMessageUser(conn, user)
+
+        # Send a message to myself
+        await im.send(imessage.iMessage.create(im, "Hello, world!", [user.current_handle]))
+
+if __name__ == "__main__":
+    import trio
+    trio.run(main)
\ No newline at end of file
diff --git a/ids/__init__.py b/ids/__init__.py
index 7e561c4..5c78b55 100644
--- a/ids/__init__.py
+++ b/ids/__init__.py
@@ -3,12 +3,12 @@ from base64 import b64encode
 import apns
 
 from . import _helpers, identity, profile, query
-
+from typing import Callable, Any
 
 class IDSUser:
     # Sets self.user_id and self._auth_token
     def _authenticate_for_token(
-        self, username: str, password: str, factor_callback: callable = None
+        self, username: str, password: str, factor_callback: Callable | None = None
     ):
         self.user_id, self._auth_token = profile.get_auth_token(
             username, password, factor_callback
@@ -25,22 +25,22 @@ class IDSUser:
     ):
         self.push_connection = push_connection
         self._push_keypair = _helpers.KeyPair(
-            self.push_connection.private_key, self.push_connection.cert
+            self.push_connection.credentials.private_key, self.push_connection.credentials.cert
         )
 
         self.ec_key = self.rsa_key = None
 
     def __str__(self):
-        return f"IDSUser(user_id={self.user_id}, handles={self.handles}, push_token={b64encode(self.push_connection.token).decode()})"
+        return f"IDSUser(user_id={self.user_id}, handles={self.handles}, push_token={b64encode(self.push_connection.credentials.token).decode()})"
 
     # Authenticates with a username and password, to create a brand new authentication keypair
     def authenticate(
-        self, username: str, password: str, factor_callback: callable = None
+        self, username: str, password: str, factor_callback: Callable | None = None
     ):
         self._authenticate_for_token(username, password, factor_callback)
         self._authenticate_for_cert()
         self.handles = profile.get_handles(
-            b64encode(self.push_connection.token),
+            b64encode(self.push_connection.credentials.token),
             self.user_id,
             self._auth_keypair,
             self._push_keypair,
@@ -68,7 +68,7 @@ class IDSUser:
         
         
         cert = identity.register(
-            b64encode(self.push_connection.token),
+            b64encode(self.push_connection.credentials.token),
             self.handles,
             self.user_id,
             self._auth_keypair,
@@ -81,6 +81,6 @@ class IDSUser:
     def restore_identity(self, id_keypair: _helpers.KeyPair):
         self._id_keypair = id_keypair
 
-    def lookup(self, uris: list[str], topic: str = "com.apple.madrid") -> any:
-        return query.lookup(self.push_connection, self.current_handle, self._id_keypair, uris, topic)
+    async def lookup(self, uris: list[str], topic: str = "com.apple.madrid") -> Any:
+        return await query.lookup(self.push_connection, self.current_handle, self._id_keypair, uris, topic)
         
diff --git a/ids/identity.py b/ids/identity.py
index a918f55..f7ee5e3 100644
--- a/ids/identity.py
+++ b/ids/identity.py
@@ -17,27 +17,28 @@ class IDSIdentity:
     def __init__(self, signing_key: str | None = None, encryption_key: str | None = None, signing_public_key: str | None = None, encryption_public_key: str | None = None):
         if signing_key is not None:
             self.signing_key = signing_key
-            self.signing_public_key = serialize_key(parse_key(signing_key).public_key())
+            self.signing_public_key = serialize_key(parse_key(signing_key).public_key())# type: ignore
         elif signing_public_key is not None:
             self.signing_key = None
             self.signing_public_key = signing_public_key
         else:
             # Generate a new key
             self.signing_key = serialize_key(ec.generate_private_key(ec.SECP256R1()))
-            self.signing_public_key = serialize_key(parse_key(self.signing_key).public_key())
+            self.signing_public_key = serialize_key(parse_key(self.signing_key).public_key())# type: ignore
         
         if encryption_key is not None:
             self.encryption_key = encryption_key
-            self.encryption_public_key = serialize_key(parse_key(encryption_key).public_key())
+            self.encryption_public_key = serialize_key(parse_key(encryption_key).public_key())# type: ignore
         elif encryption_public_key is not None:
             self.encryption_key = None
             self.encryption_public_key = encryption_public_key
         else:
             self.encryption_key = serialize_key(rsa.generate_private_key(65537, 1280))
-            self.encryption_public_key = serialize_key(parse_key(self.encryption_key).public_key())
-        
-    def decode(input: bytes) -> 'IDSIdentity':
-        input = BytesIO(input)
+            self.encryption_public_key = serialize_key(parse_key(self.encryption_key).public_key())# type: ignore
+    
+    @staticmethod
+    def decode(inp: bytes) -> 'IDSIdentity':
+        input = BytesIO(inp)
 
         assert input.read(5) == b'\x30\x81\xF6\x81\x43' # DER header
         raw_ecdsa = input.read(67)
@@ -75,13 +76,13 @@ class IDSIdentity:
         raw_rsa.write(b'\x00\xAC')
         raw_rsa.write(b'\x30\x81\xA9')
         raw_rsa.write(b'\x02\x81\xA1')
-        raw_rsa.write(parse_key(self.encryption_public_key).public_numbers().n.to_bytes(161, "big"))
+        raw_rsa.write(parse_key(self.encryption_public_key).public_numbers().n.to_bytes(161, "big")) # type: ignore
         raw_rsa.write(b'\x02\x03\x01\x00\x01') # Hardcode the exponent
 
         output.write(b'\x30\x81\xF6\x81\x43')
         output.write(b'\x00\x41\x04')
-        output.write(parse_key(self.signing_public_key).public_numbers().x.to_bytes(32, "big"))
-        output.write(parse_key(self.signing_public_key).public_numbers().y.to_bytes(32, "big"))
+        output.write(parse_key(self.signing_public_key).public_numbers().x.to_bytes(32, "big"))# type: ignore
+        output.write(parse_key(self.signing_public_key).public_numbers().y.to_bytes(32, "big"))# type: ignore
 
         output.write(b'\x82\x81\xAE')
         output.write(raw_rsa.getvalue())
diff --git a/ids/profile.py b/ids/profile.py
index 3af9d73..f5ae576 100644
--- a/ids/profile.py
+++ b/ids/profile.py
@@ -18,8 +18,10 @@ from ._helpers import PROTOCOL_VERSION, USER_AGENT, KeyPair
 import logging
 logger = logging.getLogger("ids")
 
+from typing import Any, Callable
 
-def _auth_token_request(username: str, password: str) -> any:
+
+def _auth_token_request(username: str, password: str) -> Any:
     # Turn the PET into an auth token
     data = {
         "username": username,
@@ -46,7 +48,7 @@ def _auth_token_request(username: str, password: str) -> any:
 # If factor_gen is not None, it will be called to get the 2FA code, otherwise it will be prompted
 # Returns (realm user id, auth token)
 def get_auth_token(
-    username: str, password: str, factor_gen: callable = None
+    username: str, password: str, factor_gen: Callable | None = None
 ) -> tuple[str, str]:
     from sys import platform
     
@@ -154,7 +156,7 @@ def get_handles(push_token, user_id: str, auth_key: KeyPair, push_key: KeyPair):
         "x-auth-user-id": user_id,
     }
     signing.add_auth_signature(
-        headers, None, BAG_KEY, auth_key, push_key, push_token
+        headers, b"", BAG_KEY, auth_key, push_key, push_token
     )
 
     r = requests.get(
diff --git a/imessage.py b/imessage.py
index 8951cde..ac76369 100644
--- a/imessage.py
+++ b/imessage.py
@@ -50,7 +50,7 @@ class MMCSFile(AttachmentFile):
 
         logger.info(
             requests.get(
-                url=self.url,
+                url=self.url, # type: ignore
                 headers={
                     "User-Agent": f"IMTransferAgent/900 CFNetwork/596.2.3 Darwin/12.2.0 (x86_64) (Macmini5,1)",
                     # "MMCS-Url": self.url,
@@ -79,8 +79,8 @@ class Attachment:
     def __init__(self, message_raw_content: dict, xml_element: ElementTree.Element):
         attrib = xml_element.attrib
 
-        self.name = attrib["name"] if "name" in attrib else None
-        self.mime_type = attrib["mime-type"] if "mime-type" in attrib else None
+        self.name = attrib["name"] if "name" in attrib else None # type: ignore
+        self.mime_type = attrib["mime-type"] if "mime-type" in attrib else None # type: ignore
 
         if "inline-attachment" in attrib:
             # just grab the inline attachment !
@@ -121,7 +121,7 @@ class Attachment:
             #             case "decryption-key":
             #                 versions[index].decryption_key = base64.b16decode(val)[1:]
 
-            self.versions = versions
+            self.versions = versions # type: ignore
 
     def __repr__(self):
         return f'<Attachment name="{self.name}" type="{self.mime_type}">'
@@ -136,16 +136,23 @@ class Message:
     _compressed: bool = True
     xml: str | None = None
     
+    @staticmethod
     def from_raw(message: bytes, sender: str | None = None) -> "Message":
         """Create a `Message` from raw message bytes"""
 
         raise NotImplementedError()
     
-    def __str__():
+    def to_raw(self) -> bytes:
+        """Convert a `Message` to raw message bytes"""
+
+        raise NotImplementedError()
+    
+    def __str__(self):
         raise NotImplementedError()
 
 @dataclass
 class SMSReflectedMessage(Message):
+    @staticmethod
     def from_raw(message: bytes, sender: str | None = None) -> "SMSReflectedMessage":
         """Create a `SMSReflectedMessage` from raw message bytes"""
 
@@ -161,11 +168,11 @@ class SMSReflectedMessage(Message):
         logger.info(f"Decoding SMSReflectedMessage: {message}")
 
         return SMSReflectedMessage(
-            text=message["mD"]["plain-body"],
-            sender=sender,
-            participants=[re["id"] for re in message["re"]] + [sender],
-            id=uuid.UUID(message["mD"]["guid"]),
-            _raw=message,
+            text=message["mD"]["plain-body"],  # type: ignore
+            sender=sender, # type: ignore
+            participants=[re["id"] for re in message["re"]] + [sender], # type: ignore
+            id=uuid.UUID(message["mD"]["guid"]), # type: ignore
+            _raw=message, # type: ignore
             _compressed=compressed,
         )
 
@@ -209,6 +216,7 @@ class SMSReflectedMessage(Message):
 
 @dataclass
 class SMSIncomingMessage(Message):
+    @staticmethod
     def from_raw(message: bytes, sender: str | None = None) -> "SMSIncomingMessage":
         """Create a `SMSIncomingMessage` from raw message bytes"""
 
@@ -224,11 +232,11 @@ class SMSIncomingMessage(Message):
         logger.debug(f"Decoding SMSIncomingMessage: {message}")
 
         return SMSIncomingMessage(
-            text=message["k"][0]["data"].decode(),
-            sender=message["h"], # Don't use sender parameter, that is the phone that forwarded the message
-            participants=[message["h"], message["co"]],
-            id=uuid.UUID(message["g"]),
-            _raw=message,
+            text=message["k"][0]["data"].decode(), # type: ignore
+            sender=message["h"], # Don't use sender parameter, that is the phone that forwarded the message # type: ignore
+            participants=[message["h"], message["co"]], # type: ignore
+            id=uuid.UUID(message["g"]), # type: ignore
+            _raw=message, # type: ignore
             _compressed=compressed,
         )
 
@@ -237,16 +245,18 @@ class SMSIncomingMessage(Message):
     
 @dataclass
 class SMSIncomingImage(Message):
+    @staticmethod
     def from_raw(message: bytes, sender: str | None = None) -> "SMSIncomingImage":
         """Create a `SMSIncomingImage` from raw message bytes"""
 
         # TODO: Implement this
-        return "SMSIncomingImage"    
+        return "SMSIncomingImage"     # type: ignore
 
 @dataclass
 class iMessage(Message):
     effect: str | None = None
 
+    @staticmethod
     def create(user: "iMessageUser", text: str, participants: list[str]) -> "iMessage":
         """Creates a basic outgoing `iMessage` from the given text and participants"""
 
@@ -260,6 +270,7 @@ class iMessage(Message):
             id=uuid.uuid4(),
         )
     
+    @staticmethod
     def from_raw(message: bytes, sender: str | None = None) -> "iMessage":
         """Create a `iMessage` from raw message bytes"""
 
@@ -275,14 +286,14 @@ class iMessage(Message):
         logger.debug(f"Decoding iMessage: {message}")
 
         return iMessage(
-            text=message["t"],
-            participants=message["p"],
-            sender=sender,
-            id=uuid.UUID(message["r"]) if "r" in message else None,
-            xml=message["x"] if "x" in message else None,
-            _raw=message,
+            text=message["t"], # type: ignore
+            participants=message["p"], # type: ignore
+            sender=sender, # type: ignore
+            id=uuid.UUID(message["r"]) if "r" in message else None, # type: ignore
+            xml=message["x"] if "x" in message else None, # type: ignore
+            _raw=message, # type: ignore
             _compressed=compressed,
-            effect=message["iid"] if "iid" in message else None,
+            effect=message["iid"] if "iid" in message else None, # type: ignore
         )
     
     def to_raw(self) -> bytes:
@@ -338,8 +349,9 @@ class iMessageUser:
         self.connection = connection
         self.user = user
 
-    def _parse_payload(payload: bytes) -> tuple[bytes, bytes]:
-        payload = BytesIO(payload)
+    @staticmethod
+    def _parse_payload(p: bytes) -> tuple[bytes, bytes]:
+        payload = BytesIO(p)
 
         tag = payload.read(1)
         # print("TAG", tag)
@@ -351,6 +363,7 @@ class iMessageUser:
 
         return (body, signature)
 
+    @staticmethod
     def _construct_payload(body: bytes, signature: bytes) -> bytes:
         payload = (
             b"\x02"
@@ -361,6 +374,7 @@ class iMessageUser:
         )
         return payload
 
+    @staticmethod
     def _hash_identity(id: bytes) -> bytes:
         iden = ids.identity.IDSIdentity.decode(id)
 
@@ -369,13 +383,11 @@ class iMessageUser:
         output.write(b"\x00\x41\x04")
         output.write(
             ids._helpers.parse_key(iden.signing_public_key)
-            .public_numbers()
-            .x.to_bytes(32, "big")
+            .public_numbers().x.to_bytes(32, "big") # type: ignore
         )
         output.write(
             ids._helpers.parse_key(iden.signing_public_key)
-            .public_numbers()
-            .y.to_bytes(32, "big")
+            .public_numbers().y.to_bytes(32, "big") # type: ignore
         )
 
         output.write(b"\x00\xAC")
@@ -383,8 +395,7 @@ class iMessageUser:
         output.write(b"\x02\x81\xA1")
         output.write(
             ids._helpers.parse_key(iden.encryption_public_key)
-            .public_numbers()
-            .n.to_bytes(161, "big")
+            .public_numbers().n.to_bytes(161, "big") # type: ignore
         )
         output.write(b"\x02\x03\x01\x00\x01")
 
@@ -417,7 +428,7 @@ class iMessageUser:
 
         # Encrypt the AES key with the public key of the recipient
         recipient_key = ids._helpers.parse_key(key.encryption_public_key)
-        rsa_body = recipient_key.encrypt(
+        rsa_body = recipient_key.encrypt( # type: ignore
             aes_key + encrypted[:100],
             padding.OAEP(
                 mgf=padding.MGF1(algorithm=hashes.SHA1()),
@@ -428,20 +439,20 @@ class iMessageUser:
 
         # Construct the payload
         body = rsa_body + encrypted[100:]
-        sig = ids._helpers.parse_key(self.user.encryption_identity.signing_key).sign(
-            body, ec.ECDSA(hashes.SHA1())
+        sig = ids._helpers.parse_key(self.user.encryption_identity.signing_key).sign( # type: ignore
+            body, ec.ECDSA(hashes.SHA1()) # type: ignore
         )
         payload = iMessageUser._construct_payload(body, sig)
 
         return payload
 
-    def _decrypt_payload(self, payload: bytes) -> dict:
-        payload = iMessageUser._parse_payload(payload)
+    def _decrypt_payload(self, p: bytes) -> bytes:
+        payload = iMessageUser._parse_payload(p)
 
         body = BytesIO(payload[0])
         rsa_body = ids._helpers.parse_key(
-            self.user.encryption_identity.encryption_key
-        ).decrypt(
+            self.user.encryption_identity.encryption_key # type: ignore
+        ).decrypt( # type: ignore
             body.read(160),
             padding.OAEP(
                 mgf=padding.MGF1(algorithm=hashes.SHA1()),
@@ -455,9 +466,9 @@ class iMessageUser:
 
         return decrypted
 
-    def _verify_payload(self, payload: bytes, sender: str, sender_token: str) -> bool:
+    async def _verify_payload(self, p: bytes, sender: str, sender_token: str) -> bool:
         # Get the public key for the sender
-        self._cache_keys([sender], "com.apple.madrid")
+        await self._cache_keys([sender], "com.apple.madrid")
 
         if not sender_token in self.KEY_CACHE:
             logger.warning("Unable to find the public key of the sender, cannot verify")
@@ -468,25 +479,25 @@ class iMessageUser:
         )
         sender_ec_key = ids._helpers.parse_key(identity_keys.signing_public_key)
 
-        payload = iMessageUser._parse_payload(payload)
+        payload = iMessageUser._parse_payload(p)
 
         try:
             # Verify the signature (will throw an exception if it fails)
-            sender_ec_key.verify(
+            sender_ec_key.verify( # type: ignore
                 payload[1],
                 payload[0],
-                ec.ECDSA(hashes.SHA1()),
+                ec.ECDSA(hashes.SHA1()), # type: ignore
             )
             return True
         except:
             return False
 
-    def receive(self) -> Message | None:
+    async def receive(self) -> Message | None:
         """
         Will return the next iMessage in the queue, or None if there are no messages
         """
         for type, (topic, cls) in MESSAGE_TYPES.items():
-            body = self._receive_raw(type, topic)
+            body = await self._receive_raw(type, topic)
             if body is not None:
                 t = cls
                 break
@@ -494,7 +505,7 @@ class iMessageUser:
             return None
         
 
-        if not self._verify_payload(body["P"], body["sP"], body["t"]):
+        if not await self._verify_payload(body["P"], body["sP"], body["t"]):
             raise Exception("Failed to verify payload")
 
         logger.debug(f"Encrypted body : {body}")
@@ -513,7 +524,7 @@ class iMessageUser:
     USER_CACHE: dict[str, list[bytes]] = {}
     """Mapping of handle : [push tokens]"""
 
-    def _cache_keys(self, participants: list[str], topic: str):
+    async def _cache_keys(self, participants: list[str], topic: str):
         # Clear the cache if the handle has changed
         if self.KEY_CACHE_HANDLE != self.user.current_handle:
             self.KEY_CACHE_HANDLE = self.user.current_handle
@@ -526,7 +537,7 @@ class iMessageUser:
         # TODO: This doesn't work since it doesn't check if they are cached for all topics
 
         # Look up the public keys for the participants, and cache a token : public key mapping
-        lookup = self.user.lookup(participants, topic=topic)
+        lookup = await self.user.lookup(participants, topic=topic)
 
         logger.debug(f"Lookup response : {lookup}")
         for key, participant in lookup.items():
@@ -559,7 +570,7 @@ class iMessageUser:
                     identity["session-token"],
                 )
 
-    def _send_raw(
+    async def _send_raw(
         self,
         type: int,
         participants: list[str],
@@ -568,12 +579,12 @@ class iMessageUser:
         id: uuid.UUID | None = None,
         extra: dict = {},
     ):
-        self._cache_keys(participants, topic)
+        await self._cache_keys(participants, topic)
 
         dtl = []
         for participant in participants:
             for push_token in self.USER_CACHE[participant]:
-                if push_token == self.connection.token:
+                if push_token == self.connection.credentials.token:
                     continue  # Don't send to ourselves
 
                 identity_keys = ids.identity.IDSIdentity.decode(
@@ -613,52 +624,35 @@ class iMessageUser:
 
         body = plistlib.dumps(body, fmt=plistlib.FMT_BINARY)
 
-        self.connection.send_message(topic, body, message_id)
+        await self.connection.send_notification(topic, body, message_id)
 
-    def _receive_raw(self, c: int | list[int], topic: str | list[str]) -> dict | None:
-        def check_response(x):
-            if x[0] != 0x0A:
+    async def _receive_raw(self, c: int, topic: str) -> dict | None:
+        def check(payload: apns.APNSPayload):
+            # Check if the "c" key matches
+            body = payload.fields_with_id(3)[0].value
+            if body is None:
                 return False
-            # Check if it matches any of the topics
-            if isinstance(topic, list):
-                for t in topic:
-                    if apns._get_field(x[1], 2) == sha1(t.encode()).digest():
-                        break
-                else:
-                    return False
-            else:
-                if apns._get_field(x[1], 2) != sha1(topic.encode()).digest():
-                    return False
-                
-            resp_body = apns._get_field(x[1], 3)
-            if resp_body is None:
-                return False
-            resp_body = plistlib.loads(resp_body)
-
-            #logger.info(f"See type {resp_body['c']}")
-
-            if isinstance(c, list):
-                if not resp_body["c"] in c:
-                    return False
-            elif resp_body["c"] != c:
+            body = plistlib.loads(body)
+            if not "c" in body or "c" != c:
                 return False
             return True
+        
+        payload = await self.connection.expect_notification(topic, check)
 
-        payload = self.connection.incoming_queue.pop_find(check_response)
         if payload is None:
             return None
-        body = apns._get_field(payload[1], 3)
+        body = payload.fields_with_id(3)[0].value
         body = plistlib.loads(body)
         return body
 
-    def activate_sms(self) -> bool:
+    async def activate_sms(self):
         """
         Try to activate SMS forwarding
         Returns True if we are able to perform SMS forwarding, False otherwise
         Call repeatedly until it returns True
         """
 
-        act_message = self._receive_raw(145, "com.apple.private.alloy.sms")
+        act_message = await self._receive_raw(145, "com.apple.private.alloy.sms")
         if act_message is None:
             return False
         
@@ -672,7 +666,7 @@ class iMessageUser:
         else:
             logger.info("SMS forwarding de-activated, sending response")
         
-        self._send_raw(
+        await self._send_raw(
             147,
             [self.user.current_handle],
             "com.apple.private.alloy.sms",
@@ -681,7 +675,7 @@ class iMessageUser:
             }
         )
 
-    def send(self, message: Message):
+    async def send(self, message: Message):
         # Check what type of message we are sending
         for t, (topic, cls) in MESSAGE_TYPES.items():
             if isinstance(message, cls):
@@ -691,9 +685,9 @@ class iMessageUser:
         
         send_to = message.participants if isinstance(message, iMessage) else [self.user.current_handle]
 
-        self._cache_keys(send_to, topic)
+        await self._cache_keys(send_to, topic)
 
-        self._send_raw(
+        await self._send_raw(
             t,
             send_to,
             topic,
@@ -713,12 +707,12 @@ class iMessageUser:
 
         for p in send_to:
             for t in self.USER_CACHE[p]:
-                if t == self.connection.token:
+                if t == self.connection.credentials.token:
                     continue
                 total += 1
 
         while count < total and time.time() - start < 2:
-            resp = self._receive_raw(255, topic)
+            resp = await self._receive_raw(255, topic)
             if resp is None:
                 continue
             count += 1