diff --git a/CHANGELOG.md b/CHANGELOG.md
index f386e36..da3e0d8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,9 +10,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Added
 
 - Address input parameter for fn `process` in `impl`s
+- Derive `Debug` for subcommands in `/src`
 
 ### Changed
 
+- fn `process` in `impl`s takes `&str` instead of `&Option<String>`
+
 ### Deprecated
 
 ### Removed
@@ -21,7 +24,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Security
 
-## 0.1.0 - 2023-05-08
+## [0.1.0] - 2023-05-08
 
 ### Added
 
diff --git a/Cargo.toml b/Cargo.toml
index 82c2712..c907a34 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -8,4 +8,10 @@ license = "Apache-2.0"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-clap = { version = "4.2.7", features = ["derive"] }
+clap = { version = "4.4.1", features = ["derive"] }
+const_format = "0.2.31"
+reqwest = { version = "0.11.20", features = ["blocking", "json"] }
+serde = { version = "1.0.188", features = ["derive"] }
+serde_json = "1.0.105"
+structstruck = "0.4.1"
+thiserror = "1.0.47"
diff --git a/src/account.rs b/src/account.rs
index c98262f..b1f7a0a 100644
--- a/src/account.rs
+++ b/src/account.rs
@@ -1,45 +1,66 @@
 use clap::Subcommand;
 
-#[derive(Subcommand)]
+#[derive(Debug, Subcommand)]
 pub enum Account {
     /// Get information about your account
-    GetInfo,
+    GetInfo {
+        /// Email of your omg.lol account
+        email: String,
+    },
     /// Get all addresses associated with your account
-    GetAddresses,
+    GetAddresses {
+        /// Email of your omg.lol account
+        email: String,
+    },
     /// Get the name associated with your account
-    GetName,
+    GetName {
+        /// Email of your omg.lol account
+        email: String,
+    },
     /// Update the name associated with your account
     SetName {
+        /// Email of your omg.lol account
+        email: String,
         /// Name to set for your account
         name: String,
     },
     /// Get all sessions associated with your account
-    GetSessions,
+    GetSessions {
+        /// Email of your omg.lol account
+        email: String,
+    },
     /// Delete a session from your account
     RemoveSession {
+        /// Email of your omg.lol account
+        email: String,
         /// ID of the session to remove
         session_id: String,
     },
     /// Get settings associated with your account
-    GetSettings,
+    GetSettings {
+        /// Email of your omg.lol account
+        email: String,
+    },
     /// Update settings associated with your account
     SetSettings {
+        /// Email of your omg.lol account
+        email: String,
         /// Temporary JSON data input
         json_data: String,
     },
 }
 
 impl Account {
-    pub fn process(&self, _email: &str) {
+    pub fn process(&self) {
         match self {
-            Account::GetInfo => todo!(),
-            Account::GetAddresses => todo!(),
-            Account::GetName => todo!(),
-            Account::SetName { name: _ } => todo!(),
-            Account::GetSessions => todo!(),
-            Account::RemoveSession { session_id: _ } => todo!(),
-            Account::GetSettings => todo!(),
-            Account::SetSettings { json_data: _ } => todo!(),
+            Account::GetInfo { email: _ } => todo!(),
+            Account::GetAddresses { email: _ } => todo!(),
+            Account::GetName { email: _ } => todo!(),
+            Account::SetName { email: _, name: _ } => todo!(),
+            Account::GetSessions { email: _ } => todo!(),
+            Account::RemoveSession { email: _, session_id: _ } => todo!(),
+            Account::GetSettings { email: _ } => todo!(),
+            Account::SetSettings { email: _, json_data: _ } => todo!(),
         }
     }
 }
diff --git a/src/address.rs b/src/address.rs
index b35ab28..d750897 100644
--- a/src/address.rs
+++ b/src/address.rs
@@ -1,19 +1,34 @@
 use clap::Subcommand;
+use serde::Deserialize;
 
-#[derive(Subcommand)]
+use crate::{get, get_auth};
+
+#[derive(Debug, Subcommand)]
 pub enum Address {
     /// Get information about the availability of an address
-    IsAvailable,
+    IsAvailable {
+        /// Address to get availability of
+        address: String,
+    },
     /// Get the expiration date for an address
-    GetExpiry,
+    GetExpiry {
+        /// Address to get availability of
+        address: String,
+    },
     /// Get limited (public) information about an address (no auth required)
-    GetPublicInfo,
-    ///Get comprehensive information about an address
-    GetInfo,
+    GetPublicInfo {
+        /// Address to get availability of
+        address: String,
+    },
+    /// Get comprehensive information about an address
+    GetInfo {
+        /// Address to get availability of
+        address: String,
+    },
 }
 
 impl Address {
-    pub fn process(&self, _address: &Option<String>) {
+    pub fn process(&self, api_key: &str) -> Result<AddressResponse, reqwest::Error> {
         match self {
             Address::IsAvailable => todo!(),
             Address::GetExpiry => todo!(),
diff --git a/src/dns.rs b/src/dns.rs
index 59c1abb..495be00 100644
--- a/src/dns.rs
+++ b/src/dns.rs
@@ -1,6 +1,6 @@
 use clap::Subcommand;
 
-#[derive(Subcommand)]
+#[derive(Debug, Subcommand)]
 pub enum Dns {
     /// Get a list of all your DNS records
     GetRecords,
@@ -22,7 +22,7 @@ pub enum Dns {
 }
 
 impl Dns {
-    pub fn process(&self, _address: &Option<String>) {
+    pub fn process(&self, _address: &str) {
         match self {
             Dns::GetRecords => todo!(),
             Dns::AddRecord { json_data: _ } => todo!(),
diff --git a/src/email.rs b/src/email.rs
index c445a1c..f9aceed 100644
--- a/src/email.rs
+++ b/src/email.rs
@@ -1,6 +1,6 @@
 use clap::Subcommand;
 
-#[derive(Subcommand)]
+#[derive(Debug, Subcommand)]
 pub enum Email {
     /// Get forwarding address(es)
     GetForwards,
@@ -12,7 +12,7 @@ pub enum Email {
 }
 
 impl Email {
-    pub fn process(&self, _address: &Option<String>) {
+    pub fn process(&self, _address: &str) {
         match self {
             Email::GetForwards => todo!(),
             Email::SetForwards { json_data: _ } => todo!(),
diff --git a/src/lib.rs b/src/lib.rs
index be0d89b..05de81c 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -3,7 +3,7 @@ use clap::Subcommand;
 pub mod account;
 pub use account::Account;
 pub mod address;
-pub use address::Address;
+pub use address::{Address, AddressResponse, GetExpiry, GetInfo, GetPublicInfo, IsAvailable};
 pub mod dns;
 pub use dns::Dns;
 pub mod email;
@@ -28,56 +28,38 @@ pub use weblog::Weblog;
 pub enum Commands {
     /// Get information and make changes to your account
     Account {
-        /// Email of your omg.lol account, needed for Account commands only
-        #[clap(short, long, global = true)]
-        email: String,
         #[clap(subcommand)]
         command: Account,
     },
     /// Get information and make changes to your addresses
     Address {
-        /// omg.lol address to interact with, overrides config and env. var: (OMGLOL_USERNAME)
-        #[clap(short, long, global = true)]
-        address: Option<String>,
         #[clap(subcommand)]
         command: Address,
     },
-    /// Save your omg.lol API key to the config.json (Rather than using the env. var: OMGLOL_API_KEY)
+    /// Save omg.lol API key to config.toml, will prompt (vs env. var: OMGLOL_API_KEY)
     Auth {
-        /// API key to save to config.json
-        api_key: String,
+        /// Linked omg.lol name for API key
+        name: String,
     },
     /// Get the address directory, consisting of addresses that have opted-in to be listed
     Directory,
     /// Adjust the switchboard / DNS records for your omg.lol address
     Dns {
-        /// omg.lol address to interact with, overrides config and env. var: (OMGLOL_USERNAME)
-        #[clap(short, long, global = true)]
-        address: Option<String>,
         #[clap(subcommand)]
         command: Dns,
     },
     /// Manage the email configuration for an omg.lol address
     Email {
-        /// omg.lol address to interact with, overrides config and env. var: (OMGLOL_USERNAME)
-        #[clap(short, long, global = true)]
-        address: Option<String>,
         #[clap(subcommand)]
         command: Email,
     },
     /// Manage your /now page
     Now {
-        /// omg.lol address to interact with, overrides config and env. var: (OMGLOL_USERNAME)
-        #[clap(short, long, global = true)]
-        address: Option<String>,
         #[clap(subcommand)]
         command: Now,
     },
     /// Manage the pastebin for an omg.lol address
     Pastebin {
-        /// omg.lol address to interact with, overrides config and env. var: (OMGLOL_USERNAME)
-        #[clap(short, long, global = true)]
-        address: Option<String>,
         #[clap(subcommand)]
         command: Pastebin,
     },
@@ -92,9 +74,6 @@ pub enum Commands {
     },
     /// Manage PURLs (Persistent URLs) for your omg.lol address
     Purl {
-        /// omg.lol address to interact with, overrides config and env. var: (OMGLOL_USERNAME)
-        #[clap(short, long, global = true)]
-        address: Option<String>,
         #[clap(subcommand)]
         command: Purl,
     },
@@ -102,33 +81,26 @@ pub enum Commands {
     Service,
     /// Manage the statuslog for an omg.lol address
     Status {
-        /// omg.lol address to interact with, overrides config and env. var: (OMGLOL_USERNAME)
-        #[clap(short, long, global = true)]
-        address: Option<String>,
         #[clap(subcommand)]
         command: Status,
     },
+    /// Set a default omg.lol address (and API key) from saved addresses
+    Switch {
+        /// new default omg.lol address, leave blank to list available addresses
+        address: Option<String>,
+    },
     /// Manage omg.lol profile themes
     Theme {
-        /// omg.lol address to interact with, overrides config and env. var: (OMGLOL_USERNAME)
-        #[clap(short, long, global = true)]
-        address: Option<String>,
         #[clap(subcommand)]
         command: Theme,
     },
     /// Manage profile page and web stuff for an omg.lol address
     Web {
-        /// omg.lol address to interact with, overrides config and env. var: (OMGLOL_USERNAME)
-        #[clap(short, long, global = true)]
-        address: Option<String>,
         #[clap(subcommand)]
         command: Web,
     },
     /// Manage the weblog for an omg.lol address
     Weblog {
-        /// omg.lol address to interact with, overrides config and env. var: (OMGLOL_USERNAME)
-        #[clap(short, long, global = true)]
-        address: Option<String>,
         #[clap(subcommand)]
         command: Weblog,
     },
@@ -136,23 +108,39 @@ pub enum Commands {
 
 impl Commands {
     // TBD: Is there a more idiomatic / succinct approach to this?
-    pub fn process(&self, _address: &Option<String>) {
+    pub fn process(
+        &self,
+        _address: &str,
+        api_key: &str,
+    ) -> Result<CommandResponse, reqwest::Error> {
         match self {
-            Commands::Account { email, command } => command.process(email),
-            Commands::Address { address, command } => command.process(address),
-            Commands::Auth { api_key: _ } => todo!(),
+            Commands::Account { command } => {
+                command.process();
+                Ok(CommandResponse::Todo(()))
+            }
+            Commands::Address { command } => {
+                Ok(CommandResponse::Address(command.process(api_key)?))
+            }
+            Commands::Auth { name } => unreachable!("{name}"),
             Commands::Directory => todo!(),
-            Commands::Dns { address, command } => command.process(address),
-            Commands::Email { address, command } => command.process(address),
-            Commands::Now { address, command } => command.process(address),
-            Commands::Pastebin { address, command } => command.process(address),
-            Commands::Preferences { owner: _, item: _, value: _ } => todo!(),
-            Commands::Purl { address, command } => command.process(address),
+            Commands::Dns { command } => todo!("{command:?}"),
+            Commands::Email { command } => todo!("{command:?}"),
+            Commands::Now { command } => todo!("{command:?}"),
+            Commands::Pastebin { command } => todo!("{command:?}"),
+            Commands::Preferences { owner, item, value } => todo!("{owner}, {item}, {value}"),
+            Commands::Purl { command } => todo!("{command:?}"),
             Commands::Service => todo!(),
-            Commands::Status { address, command } => command.process(address),
-            Commands::Theme { address, command } => command.process(address),
-            Commands::Web { address, command } => command.process(address),
-            Commands::Weblog { address, command } => command.process(address),
+            Commands::Status { command } => todo!("{command:?}"),
+            Commands::Switch { address: _ } => todo!(),
+            Commands::Theme { command } => todo!("{command:?}"),
+            Commands::Web { command } => todo!("{command:?}"),
+            Commands::Weblog { command } => todo!("{command:?}"),
         }
     }
 }
+
+#[derive(Debug)]
+pub enum CommandResponse {
+    Todo(()),
+    Address(AddressResponse),
+}
diff --git a/src/now.rs b/src/now.rs
index 4cd3650..5c8e483 100644
--- a/src/now.rs
+++ b/src/now.rs
@@ -1,6 +1,6 @@
 use clap::Subcommand;
 
-#[derive(Subcommand)]
+#[derive(Debug, Subcommand)]
 pub enum Now {
     /// Get the /now page for an address
     Get,
@@ -17,7 +17,7 @@ pub enum Now {
 }
 
 impl Now {
-    pub fn process(&self, _address: &Option<String>) {
+    pub fn process(&self, _address: &str) {
         match self {
             Now::Get => todo!(),
             Now::List => todo!(),
diff --git a/src/pastebin.rs b/src/pastebin.rs
index 69ffd50..6533416 100644
--- a/src/pastebin.rs
+++ b/src/pastebin.rs
@@ -1,6 +1,6 @@
 use clap::Subcommand;
 
-#[derive(Subcommand)]
+#[derive(Debug, Subcommand)]
 pub enum Pastebin {
     /// Get a specific paste for an omg.lol address
     Get {
@@ -26,7 +26,7 @@ pub enum Pastebin {
 }
 
 impl Pastebin {
-    pub fn process(&self, _address: &Option<String>) {
+    pub fn process(&self, _address: &str) {
         match self {
             Pastebin::Get { name: _ } => todo!(),
             Pastebin::GetAll => todo!(),
diff --git a/src/purl.rs b/src/purl.rs
index b8c0b89..b5a27a5 100644
--- a/src/purl.rs
+++ b/src/purl.rs
@@ -1,6 +1,6 @@
 use clap::Subcommand;
 
-#[derive(Subcommand)]
+#[derive(Debug, Subcommand)]
 pub enum Purl {
     /// Create a new PURL for an omg.lol address
     Create {
@@ -24,7 +24,7 @@ pub enum Purl {
 }
 
 impl Purl {
-    pub fn process(&self, _address: &Option<String>) {
+    pub fn process(&self, _address: &str) {
         match self {
             Purl::Create { name: _, url: _ } => todo!(),
             Purl::Get { name: _ } => todo!(),
diff --git a/src/status.rs b/src/status.rs
index b8f1e0a..9676a76 100644
--- a/src/status.rs
+++ b/src/status.rs
@@ -1,6 +1,6 @@
 use clap::Subcommand;
 
-#[derive(Subcommand)]
+#[derive(Debug, Subcommand)]
 pub enum Status {
     /// Get a single statuslog entry for an omg.lol address
     Get {
@@ -47,7 +47,7 @@ pub enum Status {
 }
 
 impl Status {
-    pub fn process(&self, _address: &Option<String>) {
+    pub fn process(&self, _address: &str) {
         match self {
             Status::Get { id: _ } => todo!(),
             Status::GetAll => todo!(),
diff --git a/src/theme.rs b/src/theme.rs
index 8ea9e2b..b54b3f5 100644
--- a/src/theme.rs
+++ b/src/theme.rs
@@ -1,6 +1,6 @@
 use clap::Subcommand;
 
-#[derive(Subcommand)]
+#[derive(Debug, Subcommand)]
 pub enum Theme {
     /// List available omg.lol profile themes
     List,
@@ -17,7 +17,7 @@ pub enum Theme {
 }
 
 impl Theme {
-    pub fn process(&self, _address: &Option<String>) {
+    pub fn process(&self, _address: &str) {
         match self {
             Theme::List => todo!(),
             Theme::Info { id: _ } => todo!(),
diff --git a/src/web.rs b/src/web.rs
index 582a0d4..c10f5b1 100644
--- a/src/web.rs
+++ b/src/web.rs
@@ -1,6 +1,6 @@
 use clap::Subcommand;
 
-#[derive(Subcommand)]
+#[derive(Debug, Subcommand)]
 pub enum Web {
     /// Get web content and information for an omg.lol address
     Get,
@@ -22,7 +22,7 @@ pub enum Web {
 }
 
 impl Web {
-    pub fn process(&self, _address: &Option<String>) {
+    pub fn process(&self, _address: &str) {
         match self {
             Web::Get => todo!(),
             Web::Set { content: _, publish: _ } => todo!(),
diff --git a/src/weblog.rs b/src/weblog.rs
index 60875a8..a280ca1 100644
--- a/src/weblog.rs
+++ b/src/weblog.rs
@@ -1,6 +1,6 @@
 use clap::Subcommand;
 
-#[derive(Subcommand)]
+#[derive(Debug, Subcommand)]
 pub enum Weblog {
     /// Get a specific weblog entry for an omg.lol address
     Get {
@@ -38,7 +38,7 @@ pub enum Weblog {
 }
 
 impl Weblog {
-    pub fn process(&self, _address: &Option<String>) {
+    pub fn process(&self, _address: &str) {
         match self {
             Weblog::Get { id: _ } => todo!(),
             Weblog::Latest => todo!(),