Create Slack Channel Configuration AWS Chatbot

[coding93ls]

Hi, I'm attempting to configure a Slack client with AWS Chatbot using this service

def create_slack_configuration(topic_arn_list, slack_channel_id, slack_team_id, role_arn):
    chatbot = boto3.client('chatbot')
    response = chatbot.create_slack_channel_configuration(
        ConfigurationName='Slack-Config',
        SnsTopicArns=topic_arn_list,
        SlackChannelId=slack_channel_id,
        SlackTeamId=slack_team_id,
        IamRoleArn=role_arn,
        GuardrailPolicyArns=[
            'arn:aws:iam::aws:policy/ReadOnlyAccess',
        ]
    )

The method create_slack_channel_configuration is throwing this exception:
Could not connect to the endpoint URL: "https://chatbot.us-east-1.amazonaws.com/create-slack-channel-configuration"
Is this issue somehow related to the region? Is there a way to change the endpoint?
boto3 version: 1.34.52
Interpreter: Python 3.10
I can provide more context if necessary. Thanks in advance!