diff --git a/CHANGELOG.md b/CHANGELOG.md
index a2f03f33..e104bafa 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Added
 - Added docstrings to logging methods ([#40](https://github.com/neptune-ai/neptune-client-scale/pull/40))
+- Dedicated exceptions for missing project or API token ([#44](https://github.com/neptune-ai/neptune-client-scale/pull/44))
 
 ### Changed
 - Removed `timestamp` parameter from `add_tags()`, `remove_tags()` and `log_configs()` methods ([#37](https://github.com/neptune-ai/neptune-client-scale/pull/37))
diff --git a/src/neptune_scale/__init__.py b/src/neptune_scale/__init__.py
index 6014cab4..2bc91f16 100644
--- a/src/neptune_scale/__init__.py
+++ b/src/neptune_scale/__init__.py
@@ -61,6 +61,10 @@
     API_TOKEN_ENV_NAME,
     PROJECT_ENV_NAME,
 )
+from neptune_scale.exceptions import (
+    NeptuneApiTokenNotProvided,
+    NeptuneProjectNotProvided,
+)
 from neptune_scale.parameters import (
     MAX_EXPERIMENT_NAME_LENGTH,
     MAX_FAMILY_LENGTH,
@@ -167,12 +171,14 @@ def __init__(
             raise ValueError("`max_queue_size` must be greater than 0.")
 
         project = project or os.environ.get(PROJECT_ENV_NAME)
-        verify_non_empty("project", project)
+        if project is None:
+            raise NeptuneProjectNotProvided()
         assert project is not None  # mypy
         input_project: str = project
 
         api_token = api_token or os.environ.get(API_TOKEN_ENV_NAME)
-        verify_non_empty("api_token", api_token)
+        if api_token is None:
+            raise NeptuneApiTokenNotProvided()
         assert api_token is not None  # mypy
         input_api_token: str = api_token
 
diff --git a/src/neptune_scale/exceptions.py b/src/neptune_scale/exceptions.py
index d9584c06..389eb1e2 100644
--- a/src/neptune_scale/exceptions.py
+++ b/src/neptune_scale/exceptions.py
@@ -34,6 +34,8 @@
     "NeptuneStringSetExceedsSizeLimit",
     "NeptuneSynchronizationStopped",
     "NeptuneAsyncLagThresholdExceeded",
+    "NeptuneProjectNotProvided",
+    "NeptuneApiTokenNotProvided",
 )
 
 from typing import Any
@@ -492,3 +494,35 @@ class NeptuneAsyncLagThresholdExceeded(NeptuneScaleError):
 
     Struggling with the formatting? To disable it, set the `NEPTUNE_DISABLE_COLORS` environment variable to `True`.
     """
+
+
+class NeptuneProjectNotProvided(NeptuneRetryableError):
+    message = """
+{h1}
+----NeptuneProjectNotProvided--------------------------------------------------
+{end}
+The project name was not provided. Make sure to specify the project name in the `project` parameter of the `Run`
+constructor or with the `NEPTUNE_PROJECT` environment variable.
+
+For instructions, see https://docs-beta.neptune.ai/setup
+
+{correct}Need help?{end}-> Contact support@neptune.ai
+
+Struggling with the formatting? To disable it, set the `NEPTUNE_DISABLE_COLORS` environment variable to `True`.
+"""
+
+
+class NeptuneApiTokenNotProvided(NeptuneRetryableError):
+    message = """
+{h1}
+----NeptuneApiTokenNotProvided-------------------------------------------------
+{end}
+The Neptune API token was not provided. Make sure to specify the API token in the `api_token` parameter of the `Run`
+constructor or with the `NEPTUNE_API_TOKEN` environment variable.
+
+For instructions, see https://docs-beta.neptune.ai/api_token
+
+{correct}Need help?{end}-> Contact support@neptune.ai
+
+Struggling with the formatting? To disable it, set the `NEPTUNE_DISABLE_COLORS` environment variable to `True`.
+"""