diff --git a/Cargo.toml b/Cargo.toml
index 299ca5c..b3a30ee 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -15,8 +15,7 @@ activitystreams-types = { version = "0.3.0", path = "activitystreams-types" }
 
 [dev-dependencies]
 anyhow = "1.0"
-serde = "1.0"
-serde_derive = "1.0"
+serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 activitystreams-derive = { version = "0.3", path = "activitystreams-derive" }
 
diff --git a/activitystreams-types/Cargo.toml b/activitystreams-types/Cargo.toml
index 998bd5d..3c7303e 100644
--- a/activitystreams-types/Cargo.toml
+++ b/activitystreams-types/Cargo.toml
@@ -18,6 +18,7 @@ mime = "0.3"
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 typetag = "0.1.4"
+url = "2.1"
 
 [dev-dependencies]
 anyhow = "1.0"
diff --git a/activitystreams-types/src/primitives/xsd_any_uri.rs b/activitystreams-types/src/primitives/xsd_any_uri.rs
index 7752044..72a1e2d 100644
--- a/activitystreams-types/src/primitives/xsd_any_uri.rs
+++ b/activitystreams-types/src/primitives/xsd_any_uri.rs
@@ -1,16 +1,21 @@
-#[derive(Clone, Debug, Default, serde::Deserialize, serde::Serialize)]
-#[serde(transparent)]
-pub struct XsdAnyUri(String);
+#[derive(Clone, Debug)]
+pub struct XsdAnyUri(url::Url);
 
 #[derive(Clone, Debug, thiserror::Error)]
 #[error("Could not parse XsdAnyUri")]
 pub struct XsdAnyUriError;
 
+impl Default for XsdAnyUri {
+    fn default() -> Self {
+        "data:text/plain,uwu".parse().unwrap()
+    }
+}
+
 impl std::convert::TryFrom<String> for XsdAnyUri {
     type Error = XsdAnyUriError;
 
     fn try_from(s: String) -> Result<Self, Self::Error> {
-        Ok(XsdAnyUri(s))
+        s.parse()
     }
 }
 
@@ -18,7 +23,7 @@ impl std::convert::TryFrom<&str> for XsdAnyUri {
     type Error = XsdAnyUriError;
 
     fn try_from(s: &str) -> Result<Self, Self::Error> {
-        Ok(XsdAnyUri(s.to_owned()))
+        s.parse()
     }
 }
 
@@ -26,7 +31,7 @@ impl std::convert::TryFrom<&mut str> for XsdAnyUri {
     type Error = XsdAnyUriError;
 
     fn try_from(s: &mut str) -> Result<Self, Self::Error> {
-        Ok(XsdAnyUri(s.to_owned()))
+        s.parse()
     }
 }
 
@@ -34,7 +39,7 @@ impl std::str::FromStr for XsdAnyUri {
     type Err = XsdAnyUriError;
 
     fn from_str(s: &str) -> Result<Self, Self::Err> {
-        Ok(XsdAnyUri(s.to_owned()))
+        Ok(XsdAnyUri(s.parse().map_err(|_| XsdAnyUriError)?))
     }
 }
 
@@ -43,3 +48,22 @@ impl std::fmt::Display for XsdAnyUri {
         std::fmt::Display::fmt(&self.0, f)
     }
 }
+
+impl serde::ser::Serialize for XsdAnyUri {
+    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
+    where
+        S: serde::ser::Serializer,
+    {
+        serializer.serialize_str(&self.0.to_string())
+    }
+}
+
+impl<'de> serde::de::Deserialize<'de> for XsdAnyUri {
+    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
+    where
+        D: serde::de::Deserializer<'de>,
+    {
+        let s = String::deserialize(deserializer)?;
+        s.parse().map_err(serde::de::Error::custom)
+    }
+}
diff --git a/examples/basic.rs b/examples/basic.rs
new file mode 100644
index 0000000..790936a
--- /dev/null
+++ b/examples/basic.rs
@@ -0,0 +1,29 @@
+use activitystreams::{
+    object::Video,
+    primitives::{MimeMediaType, XsdAnyUri, XsdDuration},
+};
+
+fn main() -> Result<(), Box<dyn std::error::Error>> {
+    let mut v = Video::default();
+
+    v.as_mut()
+        .set_context_xsd_any_uri("https://www.w3.org/ns/activitystreams".parse::<XsdAnyUri>()?)
+        .set_id("https://example.com/@example/lions".parse::<XsdAnyUri>()?)
+        .set_url_xsd_any_uri("https://example.com/@example/lions/video.webm".parse::<XsdAnyUri>()?)
+        .set_name_xsd_string("My Cool Video")
+        .set_summary_xsd_string("A video about some cool lions")
+        .set_media_type("video/webm".parse::<MimeMediaType>()?)
+        .set_duration("PT4M20S".parse::<XsdDuration>()?);
+
+    println!("Video, {:#?}", v);
+
+    let s = serde_json::to_string(&v)?;
+
+    println!("json, {}", s);
+
+    let v: Video = serde_json::from_str(&s)?;
+
+    println!("Video again, {:#?}", v);
+
+    Ok(())
+}
diff --git a/src/lib.rs b/src/lib.rs
index b7682ca..6fbea61 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -128,9 +128,11 @@ pub mod collection;
 pub mod link;
 pub mod object;
 
-pub use self::activity::{Activity, ActivityExt, IntransitiveActivity};
-pub use self::actor::Actor;
-pub use self::collection::{Collection, CollectionExt, CollectionPage, CollectionPageExt};
-pub use self::link::{Link, LinkExt};
-pub use self::object::{Object, ObjectExt};
-pub use activitystreams_types::context;
+pub use self::{
+    activity::{Activity, ActivityExt, IntransitiveActivity},
+    actor::Actor,
+    collection::{Collection, CollectionExt, CollectionPage, CollectionPageExt},
+    link::{Link, LinkExt},
+    object::{Object, ObjectExt},
+};
+pub use activitystreams_types::{context, primitives};