diff --git a/.github/workflows/build_and_public_yard_docs.yml b/.github/workflows/build_and_public_yard_docs.yml
new file mode 100644
index 0000000..4d3fd34
--- /dev/null
+++ b/.github/workflows/build_and_public_yard_docs.yml
@@ -0,0 +1,47 @@
+name: Build and Publish Yard Docs
+
+on:
+  push:
+    branches: [ main ]
+  workflow_dispatch:
+
+permissions:
+    contents: read
+    pages: write
+    id-token: write
+
+concurrency:
+    group: "pages"
+    cancel-in-progress: true
+
+jobs:
+  build:
+    name: Build and Publish Yard Docs
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1.165.1
+        with:
+          ruby-version: 3.3.0
+          bundler-cache: true
+
+      - name: Install YARD
+        run: gem install yard
+
+      - name: Generate docs
+        run: yard docs
+
+      - name: Setup Github Pages
+        uses: actions/configure-pages@v4
+
+      - name: Upload Artifact
+        uses: actions/upload-pages-artifact@v3
+        with:
+          path: "doc"
+
+      - name: Publish to Github Pages
+        id: deployment
+        uses: actions/deploy-pages@v4
diff --git a/.yardopts b/.yardopts
new file mode 100644
index 0000000..d12d48f
--- /dev/null
+++ b/.yardopts
@@ -0,0 +1,2 @@
+--plugin yard-sorbet
+--markup markdown
diff --git a/Gemfile b/Gemfile
index 982f257..034e5cd 100644
--- a/Gemfile
+++ b/Gemfile
@@ -18,3 +18,5 @@ gem "sorbet-static-and-runtime", require: false
 gem "spoom", require: false
 gem "tapioca", require: false
 gem "dotenv"
+gem "yard", require: false
+gem "yard-sorbet", require: false
diff --git a/Gemfile.lock b/Gemfile.lock
index 0e0cd81..f46b74d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -148,6 +148,8 @@ DEPENDENCIES
   spoom
   tapioca
   toys
+  yard
+  yard-sorbet
 
 BUNDLED WITH
    2.5.3
diff --git a/bin/yard b/bin/yard
new file mode 100755
index 0000000..ea9daf5
--- /dev/null
+++ b/bin/yard
@@ -0,0 +1,27 @@
+#!/usr/bin/env ruby
+# frozen_string_literal: true
+
+#
+# This file was generated by Bundler.
+#
+# The application 'yard' is installed as part of a gem, and
+# this file is here to facilitate running it.
+#
+
+ENV["BUNDLE_GEMFILE"] ||= File.expand_path("../Gemfile", __dir__)
+
+bundle_binstub = File.expand_path("bundle", __dir__)
+
+if File.file?(bundle_binstub)
+  if File.read(bundle_binstub, 300).include?("This file was generated by Bundler")
+    load(bundle_binstub)
+  else
+    abort("Your `bin/bundle` was not generated by Bundler, so this binstub cannot run.
+Replace `bin/bundle` by running `bundle binstubs bundler --force`, then run this command again.")
+  end
+end
+
+require "rubygems"
+require "bundler/setup"
+
+load Gem.bin_path("yard", "yard")
diff --git a/lib/lunchmoney.rb b/lib/lunchmoney.rb
index b04aa72..f1d76a7 100644
--- a/lib/lunchmoney.rb
+++ b/lib/lunchmoney.rb
@@ -8,16 +8,28 @@
 require "sorbet-runtime"
 
 # Include T::Sig directly in the module class so that it doesn't need to be extended everywhere.
-Module.include(T::Sig)
+class Module
+  include T::Sig
+end
 
 require_relative "lunchmoney/version"
 require_relative "lunchmoney/validators"
 require_relative "lunchmoney/api"
 
 module LunchMoney
+  # Lock used to avoid config conflicts
   LOCK = T.let(Mutex.new, Mutex)
 
   class << self
+    # @example Set your API key
+    #   LunchMoney.configure do |config|
+    #     config.api_key = "your_api_key"
+    #   end
+    #
+    # @example Turn off object validation
+    #   LunchMoney.configure do |config|
+    #     config.validate_object_attributes = false
+    #   end
     sig do
       params(block: T.proc.params(arg0: LunchMoney::Configuration).void).void
     end
diff --git a/lib/lunchmoney/api.rb b/lib/lunchmoney/api.rb
index a168782..6338c8a 100644
--- a/lib/lunchmoney/api.rb
+++ b/lib/lunchmoney/api.rb
@@ -17,6 +17,9 @@
 require_relative "crypto/crypto_calls"
 
 module LunchMoney
+  # The main API class that a user should interface through the method of any individual call is delegated through here
+  # so that it is never necessary to go through things like `LunchMoney::UserCalls.new.user` instead you can directly
+  # call the endpoint with LunchMoney::Api.new.user and it will be delegated to the correct call.
   class Api
     sig { returns(T.nilable(String)) }
     attr_reader :api_key
diff --git a/lib/lunchmoney/api_call.rb b/lib/lunchmoney/api_call.rb
index f00fb65..6146ed4 100644
--- a/lib/lunchmoney/api_call.rb
+++ b/lib/lunchmoney/api_call.rb
@@ -4,7 +4,9 @@
 require_relative "error"
 
 module LunchMoney
+  # Base class for all API call types
   class ApiCall
+    # Base URL used for API calls
     BASE_URL = "https://dev.lunchmoney.app/v1/"
 
     sig { returns(T.nilable(String)) }
diff --git a/lib/lunchmoney/assets/asset.rb b/lib/lunchmoney/assets/asset.rb
index 66383c6..b955725 100644
--- a/lib/lunchmoney/assets/asset.rb
+++ b/lib/lunchmoney/assets/asset.rb
@@ -2,6 +2,7 @@
 # frozen_string_literal: true
 
 module LunchMoney
+  # https://lunchmoney.dev/#assets-object
   class Asset < LunchMoney::DataObject
     # API object reference documentation: https://lunchmoney.dev/#assets-object
 
@@ -25,6 +26,7 @@ class Asset < LunchMoney::DataObject
     sig { returns(T::Boolean) }
     attr_accessor :exclude_transactions
 
+    # Valid asset type names
     VALID_TYPE_NAMES = T.let(
       [
         "cash",
@@ -41,6 +43,7 @@ class Asset < LunchMoney::DataObject
       T::Array[String],
     )
 
+    # Valid asset subtype names
     VALID_SUBTYPE_NAMES = T.let(
       [
         "retirement",
diff --git a/lib/lunchmoney/assets/asset_calls.rb b/lib/lunchmoney/assets/asset_calls.rb
index 859d721..a198bd8 100644
--- a/lib/lunchmoney/assets/asset_calls.rb
+++ b/lib/lunchmoney/assets/asset_calls.rb
@@ -4,6 +4,7 @@
 require_relative "asset"
 
 module LunchMoney
+  # https://lunchmoney.dev/#assets
   class AssetCalls < ApiCall
     sig { returns(T.any(T::Array[LunchMoney::Asset], LunchMoney::Errors)) }
     def assets
diff --git a/lib/lunchmoney/budget/budget.rb b/lib/lunchmoney/budget/budget.rb
index 21e18ae..a8075c2 100644
--- a/lib/lunchmoney/budget/budget.rb
+++ b/lib/lunchmoney/budget/budget.rb
@@ -5,6 +5,7 @@
 require_relative "config"
 
 module LunchMoney
+  # https://lunchmoney.dev/#budget-object
   class Budget < LunchMoney::DataObject
     # API object reference documentation: https://lunchmoney.dev/#budget-object
 
diff --git a/lib/lunchmoney/budget/budget_calls.rb b/lib/lunchmoney/budget/budget_calls.rb
index b54e329..c118b87 100644
--- a/lib/lunchmoney/budget/budget_calls.rb
+++ b/lib/lunchmoney/budget/budget_calls.rb
@@ -4,6 +4,7 @@
 require_relative "budget"
 
 module LunchMoney
+  # https://lunchmoney.dev/#budget
   class BudgetCalls < ApiCall
     sig do
       params(
diff --git a/lib/lunchmoney/budget/config.rb b/lib/lunchmoney/budget/config.rb
index 396723e..3bdbd5c 100644
--- a/lib/lunchmoney/budget/config.rb
+++ b/lib/lunchmoney/budget/config.rb
@@ -2,6 +2,7 @@
 # frozen_string_literal: true
 
 module LunchMoney
+  # https://lunchmoney.dev/#config-object
   class Config < LunchMoney::DataObject
     # API object reference documentation: https://lunchmoney.dev/#config-object
 
diff --git a/lib/lunchmoney/budget/data.rb b/lib/lunchmoney/budget/data.rb
index d585769..5973b71 100644
--- a/lib/lunchmoney/budget/data.rb
+++ b/lib/lunchmoney/budget/data.rb
@@ -2,6 +2,7 @@
 # frozen_string_literal: true
 
 module LunchMoney
+  # https://lunchmoney.dev/#data-object
   class Data < LunchMoney::DataObject
     # API object reference documentation: https://lunchmoney.dev/#data-object
 
diff --git a/lib/lunchmoney/categories/category.rb b/lib/lunchmoney/categories/category.rb
index c67aa01..7a86ea5 100644
--- a/lib/lunchmoney/categories/category.rb
+++ b/lib/lunchmoney/categories/category.rb
@@ -2,6 +2,7 @@
 # frozen_string_literal: true
 
 module LunchMoney
+  # https://lunchmoney.dev/#categories-object
   class Category < LunchMoney::DataObject
     sig { returns(Integer) }
     attr_accessor :id
diff --git a/lib/lunchmoney/categories/category_calls.rb b/lib/lunchmoney/categories/category_calls.rb
index 754ad81..4e31d9c 100644
--- a/lib/lunchmoney/categories/category_calls.rb
+++ b/lib/lunchmoney/categories/category_calls.rb
@@ -4,7 +4,9 @@
 require_relative "category"
 
 module LunchMoney
+  # https://lunchmoney.dev/#categories
   class CategoryCalls < ApiCall
+    # Valid query parameter formets for categories
     VALID_FORMATS = T.let(
       [
         "flattened",
diff --git a/lib/lunchmoney/configuration.rb b/lib/lunchmoney/configuration.rb
index 771111d..01f85f8 100644
--- a/lib/lunchmoney/configuration.rb
+++ b/lib/lunchmoney/configuration.rb
@@ -2,6 +2,14 @@
 # frozen_string_literal: true
 
 module LunchMoney
+  # Holds global configuration options for this gem
+  # @example api_key
+  #   LunchMoney::Configuration.api_key
+  #   => "your_api_key"
+  #
+  # @example validate_object_attributes
+  #   LunchMoney::Configuration.validate_object_attributes
+  #   => true
   class Configuration
     sig { returns(T.nilable(String)) }
     attr_accessor :api_key
diff --git a/lib/lunchmoney/crypto/crypto.rb b/lib/lunchmoney/crypto/crypto.rb
index 068df68..a600a6f 100644
--- a/lib/lunchmoney/crypto/crypto.rb
+++ b/lib/lunchmoney/crypto/crypto.rb
@@ -2,6 +2,7 @@
 # frozen_string_literal: true
 
 module LunchMoney
+  # https://lunchmoney.dev/#crypto-object
   class Crypto < LunchMoney::DataObject
     sig { returns(T.nilable(Integer)) }
     attr_accessor :id, :zabo_account_id
diff --git a/lib/lunchmoney/crypto/crypto_calls.rb b/lib/lunchmoney/crypto/crypto_calls.rb
index 750289b..152e370 100644
--- a/lib/lunchmoney/crypto/crypto_calls.rb
+++ b/lib/lunchmoney/crypto/crypto_calls.rb
@@ -4,6 +4,7 @@
 require_relative "crypto"
 
 module LunchMoney
+  # https://lunchmoney.dev/#crypto
   class CryptoCalls < ApiCall
     sig { returns(T.any(T::Array[LunchMoney::Crypto], LunchMoney::Errors)) }
     def crypto
diff --git a/lib/lunchmoney/data_object.rb b/lib/lunchmoney/data_object.rb
index fab51b5..7fc8c81 100644
--- a/lib/lunchmoney/data_object.rb
+++ b/lib/lunchmoney/data_object.rb
@@ -2,6 +2,7 @@
 # frozen_string_literal: true
 
 module LunchMoney
+  # Base data object for the objects returned and used when calling the LunchMoney API
   class DataObject
     sig { params(symbolize_keys: T::Boolean).returns(T::Hash[String, T.untyped]) }
     def serialize(symbolize_keys: false)
diff --git a/lib/lunchmoney/error.rb b/lib/lunchmoney/error.rb
index 181dc99..6724624 100644
--- a/lib/lunchmoney/error.rb
+++ b/lib/lunchmoney/error.rb
@@ -2,6 +2,7 @@
 # frozen_string_literal: true
 
 module LunchMoney
+  # This class is used to represent errors returned directly from the LunchMoney API
   class Error
     sig { returns(String) }
     attr_reader :message
@@ -13,4 +14,5 @@ def initialize(message:)
   end
 end
 
+# A type alias for an array of LunchMoney::Error
 LunchMoney::Errors = T.type_alias { T::Array[LunchMoney::Error] }
diff --git a/lib/lunchmoney/exceptions.rb b/lib/lunchmoney/exceptions.rb
index 2b9b7ec..621798d 100644
--- a/lib/lunchmoney/exceptions.rb
+++ b/lib/lunchmoney/exceptions.rb
@@ -2,11 +2,15 @@
 # frozen_string_literal: true
 
 module LunchMoney
+  # Base exception class for exceptions raised by this gem
   class Exception < StandardError; end
 
+  # Exception raised when an API Key appears to be invalid
   class InvalidApiKey < Exception; end
 
+  # Exception raised when an object attribute is invalid
   class InvalidObjectAttribute < Exception; end
 
+  # Exception raised when a query parameter is invalid
   class InvalidQueryParameter < Exception; end
 end
diff --git a/lib/lunchmoney/plaid_accounts/plaid_account.rb b/lib/lunchmoney/plaid_accounts/plaid_account.rb
index b3e21b5..1eb8e3c 100644
--- a/lib/lunchmoney/plaid_accounts/plaid_account.rb
+++ b/lib/lunchmoney/plaid_accounts/plaid_account.rb
@@ -2,6 +2,7 @@
 # frozen_string_literal: true
 
 module LunchMoney
+  # https://lunchmoney.dev/#plaid-accounts-object
   class PlaidAccount < LunchMoney::DataObject
     sig { returns(Integer) }
     attr_accessor :id
diff --git a/lib/lunchmoney/plaid_accounts/plaid_account_calls.rb b/lib/lunchmoney/plaid_accounts/plaid_account_calls.rb
index 4e55cad..8f845d3 100644
--- a/lib/lunchmoney/plaid_accounts/plaid_account_calls.rb
+++ b/lib/lunchmoney/plaid_accounts/plaid_account_calls.rb
@@ -4,6 +4,7 @@
 require_relative "plaid_account"
 
 module LunchMoney
+  # https://lunchmoney.dev/#plaid-accounts
   class PlaidAccountCalls < ApiCall
     sig { returns(T.any(T::Array[LunchMoney::PlaidAccount], LunchMoney::Errors)) }
     def plaid_accounts
diff --git a/lib/lunchmoney/recurring_expenses/recurring_expense.rb b/lib/lunchmoney/recurring_expenses/recurring_expense.rb
index 1a2875e..aa56d4b 100644
--- a/lib/lunchmoney/recurring_expenses/recurring_expense.rb
+++ b/lib/lunchmoney/recurring_expenses/recurring_expense.rb
@@ -2,6 +2,7 @@
 # frozen_string_literal: true
 
 module LunchMoney
+  # https://lunchmoney.dev/#recurring-expenses-object
   class RecurringExpense < LunchMoney::DataObject
     sig { returns(Integer) }
     attr_accessor :id, :amount
diff --git a/lib/lunchmoney/recurring_expenses/recurring_expense_calls.rb b/lib/lunchmoney/recurring_expenses/recurring_expense_calls.rb
index 45752d9..8835ecf 100644
--- a/lib/lunchmoney/recurring_expenses/recurring_expense_calls.rb
+++ b/lib/lunchmoney/recurring_expenses/recurring_expense_calls.rb
@@ -4,6 +4,7 @@
 require_relative "recurring_expense"
 
 module LunchMoney
+  # https://lunchmoney.dev/#recurring-expenses
   class RecurringExpenseCalls < ApiCall
     sig do
       params(
diff --git a/lib/lunchmoney/tags/tag.rb b/lib/lunchmoney/tags/tag.rb
index 70bc969..15ef4b9 100644
--- a/lib/lunchmoney/tags/tag.rb
+++ b/lib/lunchmoney/tags/tag.rb
@@ -2,6 +2,7 @@
 # frozen_string_literal: true
 
 module LunchMoney
+  # https://lunchmoney.dev/#tags-object
   class Tag < LunchMoney::DataObject
     sig { returns(Integer) }
     attr_accessor :id
diff --git a/lib/lunchmoney/tags/tag_calls.rb b/lib/lunchmoney/tags/tag_calls.rb
index df127ec..37110ac 100644
--- a/lib/lunchmoney/tags/tag_calls.rb
+++ b/lib/lunchmoney/tags/tag_calls.rb
@@ -4,6 +4,7 @@
 require_relative "tag"
 
 module LunchMoney
+  # https://lunchmoney.dev/#tags
   class TagCalls < ApiCall
     sig { returns(T.any(T::Array[LunchMoney::Tag], LunchMoney::Errors)) }
     def all_tags
diff --git a/lib/lunchmoney/transactions/split.rb b/lib/lunchmoney/transactions/split.rb
index 036493b..bb7d107 100644
--- a/lib/lunchmoney/transactions/split.rb
+++ b/lib/lunchmoney/transactions/split.rb
@@ -2,6 +2,7 @@
 # frozen_string_literal: true
 
 module LunchMoney
+  # Object used to split a transaction when updating https://lunchmoney.dev/#update-transaction
   class Split < LunchMoney::DataObject
     sig { returns(T.nilable(String)) }
     attr_accessor :payee, :date, :notes
diff --git a/lib/lunchmoney/transactions/transaction.rb b/lib/lunchmoney/transactions/transaction.rb
index 341be00..3d1adb6 100644
--- a/lib/lunchmoney/transactions/transaction.rb
+++ b/lib/lunchmoney/transactions/transaction.rb
@@ -2,6 +2,7 @@
 # frozen_string_literal: true
 
 module LunchMoney
+  # https://lunchmoney.dev/#transaction-object
   class Transaction < LunchMoney::DataObject
     sig { returns(T.nilable(Integer)) }
     attr_accessor :id, :to_base, :category_id, :recurring_id, :asset_id, :plaid_account_id, :parent_id, :group_id
diff --git a/lib/lunchmoney/transactions/transaction_calls.rb b/lib/lunchmoney/transactions/transaction_calls.rb
index 0bf75f7..c6d8ff8 100644
--- a/lib/lunchmoney/transactions/transaction_calls.rb
+++ b/lib/lunchmoney/transactions/transaction_calls.rb
@@ -6,6 +6,7 @@
 require_relative "split"
 
 module LunchMoney
+  # https://lunchmoney.dev/#transactions
   class TransactionCalls < ApiCall
     sig do
       params(
diff --git a/lib/lunchmoney/transactions/update_transaction.rb b/lib/lunchmoney/transactions/update_transaction.rb
index d8600a9..975a160 100644
--- a/lib/lunchmoney/transactions/update_transaction.rb
+++ b/lib/lunchmoney/transactions/update_transaction.rb
@@ -2,6 +2,7 @@
 # frozen_string_literal: true
 
 module LunchMoney
+  # object used when updating a transaction https://lunchmoney.dev/#update-transaction
   class UpdateTransaction < LunchMoney::DataObject
     sig { returns(T.nilable(String)) }
     attr_accessor :date, :payee, :amount, :currency, :notes, :status, :external_id
diff --git a/lib/lunchmoney/user/user.rb b/lib/lunchmoney/user/user.rb
index 3605242..9e39088 100644
--- a/lib/lunchmoney/user/user.rb
+++ b/lib/lunchmoney/user/user.rb
@@ -2,6 +2,7 @@
 # frozen_string_literal: true
 
 module LunchMoney
+  # https://lunchmoney.dev/#user-object
   class User < LunchMoney::DataObject
     sig { returns(Integer) }
     attr_accessor :user_id, :account_id
diff --git a/lib/lunchmoney/user/user_calls.rb b/lib/lunchmoney/user/user_calls.rb
index 688e585..eb7936b 100644
--- a/lib/lunchmoney/user/user_calls.rb
+++ b/lib/lunchmoney/user/user_calls.rb
@@ -4,6 +4,7 @@
 require_relative "user"
 
 module LunchMoney
+  # https://lunchmoney.dev/#user
   class UserCalls < ApiCall
     sig { returns(T.any(LunchMoney::User, LunchMoney::Errors)) }
     def user
diff --git a/lib/lunchmoney/validators.rb b/lib/lunchmoney/validators.rb
index 046f916..19924a1 100644
--- a/lib/lunchmoney/validators.rb
+++ b/lib/lunchmoney/validators.rb
@@ -4,6 +4,7 @@
 require "time"
 
 module LunchMoney
+  # module containing reusable methods for validating data objects
   module Validators
     include Kernel
 
diff --git a/lib/lunchmoney/version.rb b/lib/lunchmoney/version.rb
index b96ae09..657d039 100644
--- a/lib/lunchmoney/version.rb
+++ b/lib/lunchmoney/version.rb
@@ -2,5 +2,6 @@
 # frozen_string_literal: true
 
 module LunchMoney
+  # Current version of the gem
   VERSION = "0.5.1"
 end