diff --git a/pyproject.toml b/pyproject.toml
index db4d4b5..53d60c4 100755
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -26,7 +26,8 @@ classifiers = [  # Optional
 
   # Indicate who your project is intended for
   "Intended Audience :: Developers",
-  "Topic :: Software Development :: API Development",
+  "Topic :: Software Development :: Libraries",
+  "Framework :: Flask",
   "License :: OSI Approved :: GNU General Public License v3 (GPLv3)",
   "Programming Language :: Python :: 3",
   "Programming Language :: Python :: 3.7",
diff --git a/safrs/_safrs_relationship.py b/safrs/_safrs_relationship.py
index 41e2ec9..23482a5 100755
--- a/safrs/_safrs_relationship.py
+++ b/safrs/_safrs_relationship.py
@@ -1,4 +1,5 @@
 from http import HTTPStatus
+from typing import Dict, Tuple, Any
 from .util import classproperty
 
 
@@ -6,29 +7,31 @@
 class SAFRSRelationshipObject:
     """
     Relationship object, used to emulate a SAFRSBase object for the swagger for relationship targets
-    so we can call the same methods on a relationship target as we do when using SAFRSBase
+    so we can call the same methods on a relationship target as we do when using SAFRSBase.
     """
 
-    _s_class_name = None
-    __name__ = "name"
-    http_methods = {"GET", "POST", "PATCH", "DELETE"}
-    swagger_models = {"instance": None, "collection": None}
+    _s_class_name: str = None
+    __name__: str = "name"
+    http_methods: set = {"GET", "POST", "PATCH", "DELETE"}
+    swagger_models: Dict[str, Any] = {"instance": None, "collection": None}
 
     @classmethod
-    def _s_get_swagger_doc(cls, http_method):
-        """Create a swagger api model based on the sqlalchemy schema
-        if an instance exists in the DB, the first entry is used as example
+    def _s_get_swagger_doc(cls, http_method: str) -> Tuple[Dict[str, Any], Dict[str, Any]]:
+        """
+        Create a swagger API model based on the SQLAlchemy schema.
+        If an instance exists in the DB, the first entry is used as an example.
+
         :param http_method: HTTP method for which to generate the doc
-        :return: swagger body, responses
+        :return: Tuple containing the swagger body and responses
         """
-        body = {}
-        responses = {}
-        object_name = cls.__name__
+        body: Dict[str, Any] = {}
+        responses: Dict[str, Any] = {}
+        object_name: str = cls.__name__
 
-        object_model = {}
+        object_model: Dict[str, Any] = {}
         responses = {str(HTTPStatus.OK.value): {"description": f"{object_name} object", "schema": object_model}}
 
-        if http_method.upper() in ("POST", "GET"):
+        if http_method.upper() in {"POST", "GET"}:
             responses = {
                 str(HTTPStatus.OK.value): {"description": HTTPStatus.OK.description},
                 str(HTTPStatus.NOT_FOUND.value): {"description": HTTPStatus.NOT_FOUND.description},
@@ -37,29 +40,29 @@ def _s_get_swagger_doc(cls, http_method):
         return body, responses
 
     @classproperty
-    def _s_relationships(cls):
+    def _s_relationships(cls) -> Any:
         """
         :return: The relationship names of the target
         """
         return cls._target._s_relationships
 
     @classproperty
-    def _s_jsonapi_attrs(cls):
+    def _s_jsonapi_attrs(cls) -> Any:
         """
-        :return: target JSON:API attributes
+        :return: Target JSON:API attributes
         """
         return cls._target._s_jsonapi_attrs
 
     @classproperty
-    def _s_type(cls):
+    def _s_type(cls) -> str:
         """
         :return: JSON:API type
         """
         return cls._target._s_type
 
     @classproperty
-    def _s_class_name(cls):
+    def _s_class_name(cls) -> str:
         """
-        :return: name of the target class
+        :return: Name of the target class
         """
         return cls._target.__name__
diff --git a/safrs/api_methods.py b/safrs/api_methods.py
index c78aee2..047f82d 100755
--- a/safrs/api_methods.py
+++ b/safrs/api_methods.py
@@ -1,6 +1,4 @@
-#
-# jsonapi_rpc methods that can be added to the exposed classes
-#
+from typing import Any, Dict
 from sqlalchemy import or_
 from sqlalchemy.orm.session import make_transient
 import safrs
@@ -11,7 +9,7 @@
 
 
 @jsonapi_rpc(http_methods=["POST"])
-def duplicate(self):
+def duplicate(self: Any) -> SAFRSFormattedResponse:
     """
     description: Duplicate an object - copy it and give it a new id
     """
@@ -21,16 +19,15 @@ def duplicate(self):
     self.id = self.id_type()
     session.add(self)
     session.commit()
-    response = SAFRSFormattedResponse(self)
-    return response
+    return SAFRSFormattedResponse(self)
 
 
 @classmethod
 @jsonapi_rpc(http_methods=["POST"])
-def lookup_re_mysql(cls, **kwargs):  # pragma: no cover
+def lookup_re_mysql(cls: Any, **kwargs: Dict[str, str]) -> SAFRSFormattedResponse:  # pragma: no cover
     """
     pageable: True
-    description : Regex search all matching objects (works only in MySQL!!!)
+    description: Regex search all matching objects (works only in MySQL!!!)
     args:
         name: thom.*
     """
@@ -49,10 +46,10 @@ def lookup_re_mysql(cls, **kwargs):  # pragma: no cover
 
 @classmethod
 @jsonapi_rpc(http_methods=["POST"])
-def startswith(cls, **kwargs):  # pragma: no cover
+def startswith(cls: Any, **kwargs: Dict[str, str]) -> SAFRSFormattedResponse:  # pragma: no cover
     """
     pageable: True
-    summary : lookup items where specified attributes starts with the argument string
+    summary: Lookup items where specified attributes start with the argument string
     args:
         attr_name: value
     """
@@ -79,7 +76,6 @@ def startswith(cls, **kwargs):  # pragma: no cover
             meta = {}
             errors = None
             response = SAFRSFormattedResponse(data, meta, links, errors, count)
-
         except Exception as exc:
             raise GenericError(f"Failed to execute query {exc}")
     return response
@@ -87,10 +83,10 @@ def startswith(cls, **kwargs):  # pragma: no cover
 
 @classmethod
 @jsonapi_rpc(http_methods=["POST"])
-def search(cls, **kwargs):  # pragma: no cover
+def search(cls: Any, **kwargs: Dict[str, str]) -> SAFRSFormattedResponse:  # pragma: no cover
     """
     pageable: True
-    description : lookup column names
+    description: Lookup column names
     args:
         query: val
     """
@@ -106,16 +102,15 @@ def search(cls, **kwargs):  # pragma: no cover
     data = [item for item in instances]
     meta = {}
     errors = None
-    response = SAFRSFormattedResponse(data, meta, links, errors, count)
-    return response
+    return SAFRSFormattedResponse(data, meta, links, errors, count)
 
 
 @classmethod
 @jsonapi_rpc(http_methods=["POST"])
-def re_search(cls, **kwargs):  # pragma: no cover
+def re_search(cls: Any, **kwargs: Dict[str, str]) -> SAFRSFormattedResponse:  # pragma: no cover
     """
     pageable: True
-    description : lookup column names
+    description: Lookup column names
     args:
         query: search.*all
     """
@@ -126,5 +121,4 @@ def re_search(cls, **kwargs):  # pragma: no cover
     data = [item for item in instances]
     meta = {}
     errors = None
-    response = SAFRSFormattedResponse(data, meta, links, errors, count)
-    return response
+    return SAFRSFormattedResponse(data, meta, links, errors, count)
diff --git a/safrs/base.py b/safrs/base.py
index c5adfc7..a6d73f7 100755
--- a/safrs/base.py
+++ b/safrs/base.py
@@ -2,6 +2,180 @@
 #
 # pylint: disable=logging-format-interpolation,no-self-argument,no-member,line-too-long,fixme,protected-access
 #
+"""
+SAFRSBase class customizable attributes and methods, override these to customize the behavior of the SAFRSBase class.
+
+http_methods:
+Type: List[str]
+A list of HTTP methods that are allowed for this class when exposed in the API.
+Common methods include 'GET', 'POST', 'PUT', 'DELETE', etc.
+This property controls the types of operations that can be performed on instances
+of the class via the API.
+             
+             
+_s_post:
+Type: classmethod
+Description: Called when a new item is created with a POST to the JSON:API.
+
+
+_s_patch:
+Type: method
+Description: Updates the object attributes.
+
+
+_s_delete:
+Type: method
+Description: Deletes the instance from the database.
+
+
+_s_get:
+Type: classmethod
+Description: Called when a collection is requested with an HTTP GET to the JSON:API.
+
+
+_s_expose:
+Type: bool
+Description: Indicates whether this class should be exposed in the API.
+
+
+_s_upsert:
+Type: bool
+Description: Indicates whether to look up and use existing objects during creation.
+
+
+_s_allow_add_rels:
+Type: bool
+Description: Allows relationships to be added in POST requests.
+
+
+_s_pk_delimiter:
+Type: str
+Description: Delimiter used for primary keys.
+
+
+_s_url_root:
+Type: Optional[str]
+Description: URL prefix shown in the "links" field. If not set, request.url_root will be used.
+
+
+_s_columns:
+Type: classproperty
+Description: List of columns that are exposed by the API.
+
+
+_s_relationships:
+Type: hybrid_property
+Description: Dictionary of relationships used for JSON:API (de)serialization.
+
+
+_s_jsonapi_attrs:
+Type: hybrid_property
+Description: Dictionary of exposed attribute names and values.
+
+
+_s_auto_commit:
+Type: classproperty
+Description: Indicates whether the instance should be automatically committed.
+
+
+_s_check_perm:
+Type: hybrid_method
+Description: Checks the (instance-level) column permission.
+
+
+_s_jsonapi_encode:
+Type: hybrid_method
+Description: Encodes the object according to the JSON:API specification.
+
+
+_s_get_related:
+Type: method
+Description: Returns a dictionary of relationship names to related instances.
+
+
+_s_count:
+Type: classmethod
+Description: Returns the count of instances in the table.
+
+
+_s_sample_dict:
+Type: classmethod
+Description: Returns a sample dictionary to be used as an example "attributes" payload in the Swagger example.
+
+
+_s_object_id:
+Type: classproperty
+Description: Returns the Flask URL parameter name of the object.
+
+
+_s_get_jsonapi_rpc_methods:
+Type: classmethod
+Description: Returns a list of JSON:API RPC methods for this class.
+
+
+_s_get_swagger_doc:
+Type: classmethod
+Description: Returns the Swagger body and response dictionaries for the specified HTTP method.
+
+
+_s_sample_id:
+Type: classmethod
+Description: Returns a sample ID for the API documentation.
+
+
+_s_url:
+Type: hybrid_property
+Description: Returns the endpoint URL of this instance.
+
+
+_s_meta:
+Type: classmethod
+Description: Returns the "meta" part of the response.
+
+
+_s_query:
+Type: classproperty
+Description: Returns the SQLAlchemy query object.
+
+
+_s_class_name:
+Type: classproperty
+Description: Returns the name of the instances.
+
+
+_s_collection_name:
+Type: classproperty
+Description: Returns the name of the collection, used to construct the endpoint.
+
+
+_s_type:
+Type: classproperty
+Description: Returns the JSON:API "type", i.e., the table name if this is a DB model, the class name otherwise.
+
+
+_s_expunge:
+Type: method
+Description: Expunges an object from its session.
+
+
+_s_get_instance_by_id:
+Type: classmethod
+Description: Returns the query object for the specified JSON:API ID.
+
+
+_s_parse_attr_value:
+Type: method
+Description: Parses the given JSON:API attribute value so it can be stored in the DB.
+
+_s_clone:
+Type: method
+Description: Clones an object by copying the parameters and creating a new ID.
+
+
+_s_filter:
+Type: classmethod
+Description: Applies filters to the query.
+"""
 from __future__ import annotations
 import inspect
 import datetime
diff --git a/safrs/json_encoder.py b/safrs/json_encoder.py
index 3ced79f..6a5eb42 100755
--- a/safrs/json_encoder.py
+++ b/safrs/json_encoder.py
@@ -10,6 +10,7 @@
 from .config import is_debug
 from .base import SAFRSBase, Included
 from .jsonapi_formatting import jsonapi_format_response
+from typing import Any
 
 
 class SAFRSFormattedResponse:
@@ -24,13 +25,12 @@ class SAFRSFormattedResponse:
     result = None
     response = None
 
-    def __init__(self, *args, **kwargs):
+    def __init__(self, *args: Any, **kwargs: Any) -> None:
         """
-        :param data:
-        :param meta:
-        :param links:
-        :param errors:
-        :param count:
+        Initialize the response object.
+
+        :param args: Positional arguments for response formatting
+        :param kwargs: Keyword arguments for response formatting
         """
         self.response = jsonapi_format_response(*args, **kwargs)
 
diff --git a/setup.py b/setup.py
index d7e86f9..0384454 100755
--- a/setup.py
+++ b/setup.py
@@ -1,5 +1,5 @@
 """
-python setup.py sdist
+python -m build
 twine upload dist/*
 """