diff --git a/Cargo.toml b/Cargo.toml
index 1920cc5..a4228ee 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -24,9 +24,6 @@ toml = { version = "0.4.6", optional = true }
 version = "0.4"
 features = ["serde"]
 
-[dev-dependencies]
-toml = "0.4"
-
 [features]
 default-features = []
 all = ["toml"]
diff --git a/README.md b/README.md
index d2e99b2..5bbb8df 100644
--- a/README.md
+++ b/README.md
@@ -30,7 +30,6 @@ extern crate elefren;
 
 ```rust
 extern crate elefren;
-extern crate toml;
 
 use std::io;
 use std::fs::File;
@@ -38,13 +37,11 @@ use std::io::prelude::*;
 
 use elefren::{Data, Mastodon, Registration};
 use elefren::apps::{AppBuilder, Scopes};
+use elefren::data::toml; // requires `features = ["toml"]`
 
 fn main() {
-    let mastodon = match File::open("mastodon-data.toml") {
-        Ok(mut file) => {
-            let mut config = String::new();
-            file.read_to_string(&mut config).unwrap();
-            let data: Data = toml::from_str(&config).unwrap();
+    let mastodon = match toml::from_file("mastodon-data.toml") {
+        Ok(data) => {
             Mastodon::from(data)
         },
         Err(_) => register(),
@@ -56,16 +53,12 @@ fn main() {
 }
 
 fn register() -> Mastodon {
-    let app = AppBuilder {
-        client_name: "elefren-examples",
-        redirect_uris: "urn:ietf:wg:oauth:2.0:oob",
-        scopes: Scopes::Read,
-        website: Some("https://github.com/pwoolcoc/elefren"),
-    };
+    let mut app = App::builder();
+    app.client_name("elefren-examples");
 
-    let mut registration = Registration::new("https://mastodon.social");
-    registration.register(app).unwrap();;
-    let url = registration.authorise().unwrap();
+    let registration = Registration::new("https://mastodon.social");
+                                        .register(app).unwrap();
+    let url = registration.authorize_url().unwrap();
 
     println!("Click this link to authorize on Mastodon: {}", url);
     println!("Paste the returned authorization code: ");
@@ -73,13 +66,11 @@ fn register() -> Mastodon {
     let mut input = String::new();
     io::stdin().read_line(&mut input).unwrap();
 
-    let code = input.trim();
-    let mastodon = registration.create_access_token(code.to_string()).unwrap();
+    let code = input.trim().to_string();
+    let mastodon = registration.complete(code).unwrap();
 
     // Save app data for using on the next run.
-    let toml = toml::to_string(&*mastodon).unwrap();
-    let mut file = File::create("mastodon-data.toml").unwrap();
-    file.write_all(toml.as_bytes()).unwrap();
+    toml::to_file(&*mastodon, "mastodon-data.toml").unwrap();
 
     mastodon
 }
diff --git a/examples/register.rs b/examples/register.rs
index c5479d8..7437dc9 100644
--- a/examples/register.rs
+++ b/examples/register.rs
@@ -1,14 +1,14 @@
 extern crate elefren;
-extern crate toml;
 
 pub use self::elefren::{Data, MastodonClient};
 
-use std::{error::Error, fs, io};
+use std::{error::Error, io};
 
 use self::elefren::{
     apps::{App, Scopes},
     Mastodon,
     Registration,
+    data::toml,
 };
 
 #[allow(dead_code)]
@@ -19,8 +19,7 @@ fn main() -> Result<(), Box<Error>> {
 
 #[allow(dead_code)]
 pub fn get_mastodon_data() -> Result<Mastodon, Box<Error>> {
-    if let Ok(config) = fs::read_to_string("mastodon-data.toml") {
-        let data: Data = toml::from_str(&config)?;
+    if let Ok(data) = toml::from_file("mastodon-data.toml") {
         Ok(Mastodon::from(data))
     } else {
         register()
@@ -39,14 +38,12 @@ pub fn register() -> Result<Mastodon, Box<Error>> {
     let url = registered.authorize_url()?;
 
     println!("Click this link to authorize on Mastodon: {}", url);
-    let input = read_line("Paste the returned authorization code: ")?;
+    let code = read_line("Paste the returned authorization code: ")?;
 
-    let code = input.trim();
-    let mastodon = registered.complete(code.to_string())?;
+    let mastodon = registered.complete(code)?;
 
     // Save app data for using on the next run.
-    let toml = toml::to_string(&*mastodon)?;
-    fs::write("mastodon-data.toml", toml.as_bytes())?;
+    toml::to_file(&*mastodon, "mastodon-data.toml")?;
 
     Ok(mastodon)
 }
@@ -57,5 +54,5 @@ pub fn read_line(message: &str) -> Result<String, Box<Error>> {
     let mut input = String::new();
     io::stdin().read_line(&mut input)?;
 
-    Ok(input)
+    Ok(input.trim().to_string())
 }