diff --git a/solathon/__init__.py b/solathon/__init__.py
index d69821a..df31b98 100644
--- a/solathon/__init__.py
+++ b/solathon/__init__.py
@@ -3,4 +3,5 @@
 from .client import Client
 from .publickey import PublicKey
 from .keypair import Keypair
-from .transaction import Transaction
\ No newline at end of file
+from .transaction import Transaction
+
diff --git a/solathon/client.py b/solathon/client.py
index 79f6334..d1bad86 100644
--- a/solathon/client.py
+++ b/solathon/client.py
@@ -57,11 +57,27 @@ def get_recent_blockhash(self) -> RPCResponse:
         res = self.http.send(data)
         return res
 
-    def send_transaction(
-        self,
-        transaction: Transaction,
-        recent_blockhash: Optional[str] = None,
-    ) -> RPCResponse:
+    def get_token_accounts_by_owner(self, public_key: str | PublicKey,
+                                    **kwargs) -> RPCResponse:
+        if "mint_id" not in kwargs and "program_id" not in kwargs:
+            raise ValueError("You must pass either mint_id or program_id keyword argument")
+
+        mint_id = kwargs.get("mint_id")
+        program_id = kwargs.get("program_id")
+        encoding = kwargs.get("encoding", "jsonParsed") # Who doesn't like JSON?
+
+        data = self.http.build_data(
+                method="getTokenAccountsByOwner", 
+                params=[
+                    str(public_key),
+                    {"mint": mint_id} if mint_id else {"programId": program_id},
+                    {"encoding": encoding}
+                ]
+        )
+        res = self.http.send(data)
+        return res
+
+    def send_transaction(self, transaction: Transaction, recent_blockhash: Optional[str] = None,) -> RPCResponse:
 
         if recent_blockhash is None:
             blockhash_resp = self.get_recent_blockhash()
@@ -76,3 +92,4 @@ def send_transaction(
         )
         res = self.http.send(data)
         return res
+
diff --git a/solathon/core/instructions.py b/solathon/core/instructions.py
index f804c13..940011a 100644
--- a/solathon/core/instructions.py
+++ b/solathon/core/instructions.py
@@ -130,4 +130,5 @@ def transfer(sender, receiver, lamports) -> TransactionInstruction:
         ],
         program_id=SYS_PROGRAM_ID,
         data=data,
-    )
\ No newline at end of file
+    )
+
diff --git a/solathon/core/types.py b/solathon/core/types.py
index a9f8083..65d7d5c 100644
--- a/solathon/core/types.py
+++ b/solathon/core/types.py
@@ -11,3 +11,4 @@ class RPCResponse(TypedDict):
     id: int
     result: Any
     error: RPCError
+
diff --git a/solathon/keypair.py b/solathon/keypair.py
index 02a13bf..d9fa5de 100644
--- a/solathon/keypair.py
+++ b/solathon/keypair.py
@@ -48,3 +48,4 @@ def from_private_key(cls, private_key: bytes) -> Keypair:
         private_key = base58.b58decode(private_key)
         seed = private_key[:32]
         return cls(NaclPrivateKey(seed))
+
diff --git a/solathon/publickey.py b/solathon/publickey.py
index 42eb2b4..0b52184 100644
--- a/solathon/publickey.py
+++ b/solathon/publickey.py
@@ -35,3 +35,4 @@ def __str__(self) -> str:
 
     def to_base58(self) -> bytes:
         return base58.b58encode(bytes(self))
+
diff --git a/solathon/transaction.py b/solathon/transaction.py
index cb042ef..35273a5 100644
--- a/solathon/transaction.py
+++ b/solathon/transaction.py
@@ -9,7 +9,11 @@
 from nacl.signing import VerifyKey
 from .keypair import Keypair
 from .publickey import PublicKey
-from .core.instructions import transfer, TransactionInstruction, AccountMeta
+from .core.instructions import (
+            transfer, 
+            TransactionInstruction, 
+            AccountMeta
+        )
 
 def encode_length(value: int) -> bytes:
     elems, rem_len = [], value
@@ -54,7 +58,6 @@ class MessageArgs(NamedTuple):
 
 class Message:
     def __init__(self, args: MessageArgs) -> None:
-        """Init message object."""
         self.header = args.header
         self.account_keys = [PublicKey(key) for key in args.account_keys]
         self.recent_blockhash = args.recent_blockhash
@@ -348,3 +351,4 @@ def __serialize(self, signed_data: bytes) -> bytes:
                 f"transaction too large: {len(wire_transaction)} > {PACKET_DATA_SIZE}")
 
         return bytes(wire_transaction)
+
diff --git a/solathon/utils.py b/solathon/utils.py
index 02cf034..6ed2c51 100644
--- a/solathon/utils.py
+++ b/solathon/utils.py
@@ -2,4 +2,5 @@ def lamport_to_sol(lamports: float) -> float:
     return float(lamports / 1000000000)
 
 def sol_to_lamport(lamports: float) -> float:
-    return float(lamports * 1000000000)
\ No newline at end of file
+    return float(lamports * 1000000000)
+