diff --git a/ai21/ai21_env_config.py b/ai21/ai21_env_config.py
index fabcb34e..e6e1b738 100644
--- a/ai21/ai21_env_config.py
+++ b/ai21/ai21_env_config.py
@@ -1,4 +1,6 @@
 from __future__ import annotations
+
+import logging
 import os
 from dataclasses import dataclass
 from typing import Optional
@@ -14,6 +16,8 @@
 _ENV_AWS_REGION = "AI21_AWS_REGION"
 _ENV_LOG_LEVEL = "AI21_LOG_LEVEL"
 
+_logger = logging.getLogger(__name__)
+
 
 @dataclass
 class _AI21EnvConfig:
@@ -80,5 +84,20 @@ def log_level(self) -> Optional[str]:
         self._log_level = os.getenv(_ENV_LOG_LEVEL, self._log_level)
         return self._log_level
 
+    def log(self, with_secrets: bool = False) -> None:
+        env_vars = {
+            _ENV_API_VERSION: self.api_version,
+            _ENV_API_HOST: self.api_host,
+            _ENV_TIMEOUT_SEC: self.timeout_sec,
+            _ENV_NUM_RETRIES: self.num_retries,
+            _ENV_AWS_REGION: self.aws_region,
+            _ENV_LOG_LEVEL: self.log_level,
+        }
+
+        if with_secrets:
+            env_vars[_ENV_API_KEY] = self.api_key
+
+        _logger.debug(f"AI21 environment configuration: {env_vars}")
+
 
 AI21EnvConfig = _AI21EnvConfig.from_env()
diff --git a/ai21/http_client/async_http_client.py b/ai21/http_client/async_http_client.py
index 914df7cd..eaeae50a 100644
--- a/ai21/http_client/async_http_client.py
+++ b/ai21/http_client/async_http_client.py
@@ -82,7 +82,7 @@ async def _request(
     ) -> httpx.Response:
         timeout = self._timeout_sec
         headers = self._headers
-        logger.debug(f"Calling {method} {url} {headers} {params}")
+        logger.debug(f"Calling {method} {url} {headers} {params} {body}")
 
         if method == "GET":
             request = self._client.build_request(
diff --git a/ai21/http_client/base_http_client.py b/ai21/http_client/base_http_client.py
index 32b62797..bf9efe98 100644
--- a/ai21/http_client/base_http_client.py
+++ b/ai21/http_client/base_http_client.py
@@ -1,14 +1,11 @@
 from __future__ import annotations
 
 import json
-
-from typing import Generic, TypeVar, Union, Any, Optional, Dict, BinaryIO
 from abc import ABC, abstractmethod
+from typing import Generic, TypeVar, Union, Any, Optional, Dict, BinaryIO
 
 import httpx
 
-from ai21.stream.stream import Stream
-from ai21.stream.async_stream import AsyncStream
 from ai21.errors import (
     BadRequest,
     Unauthorized,
@@ -18,11 +15,12 @@
     ServiceUnavailable,
     AI21APIError,
 )
+from ai21.stream.async_stream import AsyncStream
+from ai21.stream.stream import Stream
 
 _HttpxClientT = TypeVar("_HttpxClientT", bound=Union[httpx.Client, httpx.AsyncClient])
 _DefaultStreamT = TypeVar("_DefaultStreamT", bound=Union[Stream[Any], AsyncStream[Any]])
 
-
 DEFAULT_TIMEOUT_SEC = 300
 DEFAULT_NUM_RETRIES = 0
 RETRY_BACK_OFF_FACTOR = 0.5
diff --git a/ai21/http_client/http_client.py b/ai21/http_client/http_client.py
index b7500806..770bb15d 100644
--- a/ai21/http_client/http_client.py
+++ b/ai21/http_client/http_client.py
@@ -82,7 +82,7 @@ def _request(
     ) -> httpx.Response:
         timeout = self._timeout_sec
         headers = self._headers
-        logger.debug(f"Calling {method} {url} {headers} {params}")
+        logger.debug(f"Calling {method} {url} {headers} {params} {body}")
 
         if method == "GET":
             request = self._client.build_request(
diff --git a/ai21/logger.py b/ai21/logger.py
index 49621c03..a0706e5b 100644
--- a/ai21/logger.py
+++ b/ai21/logger.py
@@ -1,8 +1,64 @@
 import logging
+import os
+import re
 
 from ai21.ai21_env_config import AI21EnvConfig
 
+_verbose = False
+
 logger = logging.getLogger("ai21")
+httpx_logger = logging.getLogger("httpx")
+
+
+class CensorSecretsFormatter(logging.Formatter):
+    def format(self, record: logging.LogRecord) -> str:
+        # Get original log message
+        message = super().format(record)
+
+        if not get_verbose():
+            return self._censor_secrets(message)
+
+        return message
+
+    def _censor_secrets(self, message: str) -> str:
+        # Regular expression to find the Authorization key and its value
+        pattern = r"('Authorization':\s*'[^']*'|'api-key':\s*'[^']*'|'X-Amz-Security-Token':\s*'[^']*')"
+
+        def replacement(match):
+            return match.group(0).split(":")[0] + ": '**************'"
+
+        # Substitute the Authorization value with **************
+        return re.sub(pattern, replacement, message)
+
+
+def set_verbose(value: bool) -> None:
+    """
+    Use this function if you want to log additional, more sensitive data like - secrets and environment variables.
+    Log level will be set to DEBUG if verbose is set to True.
+    """
+    global _verbose
+    _verbose = value
+
+    set_debug(_verbose)
+
+    AI21EnvConfig.log(with_secrets=value)
+
+
+def set_debug(value: bool) -> None:
+    """
+    Additional way to set log level to DEBUG.
+    """
+    if value:
+        os.environ["AI21_LOG_LEVEL"] = "debug"
+    else:
+        os.environ["AI21_LOG_LEVEL"] = "info"
+
+    setup_logger()
+
+
+def get_verbose() -> bool:
+    global _verbose
+    return _verbose
 
 
 def _basic_config() -> None:
@@ -14,8 +70,12 @@ def _basic_config() -> None:
 
 def setup_logger() -> None:
     _basic_config()
+    # Set the root handler with the censor formatter
+    logger.root.handlers[0].setFormatter(CensorSecretsFormatter())
 
-    if AI21EnvConfig.log_level == "debug":
+    if AI21EnvConfig.log_level.lower() == "debug":
         logger.setLevel(logging.DEBUG)
-    elif AI21EnvConfig.log_level == "info":
+        httpx_logger.setLevel(logging.DEBUG)
+    elif AI21EnvConfig.log_level.lower() == "info":
         logger.setLevel(logging.INFO)
+        httpx_logger.setLevel(logging.INFO)