diff --git a/ext/url/Cargo.toml b/ext/url/Cargo.toml
new file mode 100644
index 0000000..3ba1a1e
--- /dev/null
+++ b/ext/url/Cargo.toml
@@ -0,0 +1,16 @@
+[package]
+name = "bueno_ext_url"
+description = "Bueno URL API extension"
+edition.workspace = true
+version.workspace = true
+authors.workspace = true
+license.workspace = true
+repository.workspace = true
+
+[lib]
+path = "lib.rs"
+
+[dependencies]
+deno_core.workspace = true
+tokio.workspace = true
+url = { version = "2" }
diff --git a/ext/url/lib.rs b/ext/url/lib.rs
new file mode 100644
index 0000000..6749c23
--- /dev/null
+++ b/ext/url/lib.rs
@@ -0,0 +1,4 @@
+use deno_core::{error::AnyError, op2, OpState};
+use url::Url;
+
+// #[op2]
diff --git a/ext/url/mod.js b/ext/url/mod.js
new file mode 100644
index 0000000..e69de29
diff --git a/ext/url/url.js b/ext/url/url.js
new file mode 100644
index 0000000..9828b4b
--- /dev/null
+++ b/ext/url/url.js
@@ -0,0 +1,4 @@
+class URL {
+	static canParse(url, base) {
+	}
+}
diff --git a/tests/url.test.js b/tests/url.test.js
new file mode 100644
index 0000000..d02ea00
--- /dev/null
+++ b/tests/url.test.js
@@ -0,0 +1,51 @@
+// Ported from WPT
+const { test } = Bueno.testing;
+
+// https://github.com/web-platform-tests/wpt/blob/master/url/url-tojson.any.js
+test((ctx) => {
+	const a = new URL("https://example.com/");
+	ctx.equals(JSON.stringify(a), '"https://example.com/"');
+});
+
+// https://github.com/web-platform-tests/wpt/blob/master/url/url-statics-canparse.any.js
+[
+	{
+		url: undefined,
+		base: undefined,
+		expected: false,
+	},
+	{
+		url: "a:b",
+		base: undefined,
+		expected: true,
+	},
+	{
+		url: undefined,
+		base: "a:b",
+		expected: false,
+	},
+	{
+		url: "a:/b",
+		base: undefined,
+		expected: true,
+	},
+	{
+		url: undefined,
+		base: "a:/b",
+		expected: true,
+	},
+	{
+		url: "https://test:test",
+		base: undefined,
+		expected: false,
+	},
+	{
+		url: "a",
+		base: "https://b/",
+		expected: true,
+	},
+].forEach(({ url, base, expected }) => {
+	test((ctx) => {
+		ctx.equals(URL.canParse(url, base), expected);
+	}, `URL.canParse(${url}, ${base})`);
+});