diff --git a/telegram/constants.py b/telegram/constants.py
index 4f0b993f30d..c0cd9834654 100644
--- a/telegram/constants.py
+++ b/telegram/constants.py
@@ -1835,7 +1835,6 @@ class MessageLimit(IntEnum):
:paramref:`~telegram.Bot.edit_message_text.text` parameter of
:meth:`telegram.Bot.edit_message_text`.
"""
- # TODO this constant is not used. helpers.py contains 64 as a number
DEEP_LINK_LENGTH = 64
""":obj:`int`: Maximum number of characters for a deep link."""
# TODO this constant is not used anywhere
diff --git a/telegram/helpers.py b/telegram/helpers.py
index d303b64a78b..7d15fed84d5 100644
--- a/telegram/helpers.py
+++ b/telegram/helpers.py
@@ -36,7 +36,7 @@
from typing import TYPE_CHECKING, Optional, Union
from telegram._utils.types import MarkdownVersion
-from telegram.constants import MessageType
+from telegram.constants import MessageLimit, MessageType
if TYPE_CHECKING:
from telegram import Message, Update
@@ -173,7 +173,8 @@ def create_deep_linked_url(
:obj:`str`: An URL to start the bot with specific parameters.
Raises:
- :exc:`ValueError`: If the length of the :paramref:`payload` exceeds 64 characters,
+ :exc:`ValueError`: If the length of the :paramref:`payload` exceeds \
+ :tg-const:`telegram.constants.MessageLimit.DEEP_LINK_LENGTH` characters,
contains invalid characters, or if the :paramref:`bot_username` is less than 4
characters.
"""
@@ -184,8 +185,10 @@ def create_deep_linked_url(
if not payload:
return base_url
- if len(payload) > 64:
- raise ValueError("The deep-linking payload must not exceed 64 characters.")
+ if len(payload) > MessageLimit.DEEP_LINK_LENGTH:
+ raise ValueError(
+ f"The deep-linking payload must not exceed {MessageLimit.DEEP_LINK_LENGTH} characters."
+ )
if not re.match(r"^[A-Za-z0-9_-]+$", payload):
raise ValueError(
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