diff --git a/src/at/xrpc.gleam b/src/at/xrpc.gleam
new file mode 100644
index 0000000..8effe6a
--- /dev/null
+++ b/src/at/xrpc.gleam
@@ -0,0 +1,76 @@
+// IMPORTS ---------------------------------------------------------------------
+
+import at/nsid.{type Nsid}
+import gleam/http.{Get, Https, Post}
+import gleam/http/request.{type Request, Request}
+import gleam/option.{type Option, None, Some}
+import gleam/uri.{type Uri}
+
+// TYPES -----------------------------------------------------------------------
+
+///
+/// 
+pub type Client {
+  Client(host: String, port: Option(Int))
+}
+
+///
+/// 
+pub type Error {
+  XrpcError(error: String, message: Option(String))
+}
+
+// CONSTRUCTORS ----------------------------------------------------------------
+
+///
+/// 
+pub fn new(uri: Uri) -> Result(Client, Nil) {
+  case uri.host {
+    None -> Error(Nil)
+    Some(host) -> Ok(Client(host:, port: uri.port))
+  }
+}
+
+///
+/// 
+pub fn query(
+  client: Client,
+  path: Nsid,
+  parameters: List(#(String, String)),
+) -> Request(String) {
+  Request(
+    method: Get,
+    headers: [],
+    body: "",
+    scheme: Https,
+    host: client.host,
+    port: client.port,
+    path: "/xrpc/" <> nsid.to_string(path),
+    query: case parameters {
+      [] -> option.None
+      _ -> option.Some(uri.query_to_string(parameters))
+    },
+  )
+}
+
+///
+/// 
+pub fn procedure(
+  client: Client,
+  path: Nsid,
+  parameters: List(#(String, String)),
+) -> Request(String) {
+  Request(
+    method: Post,
+    headers: [],
+    body: "",
+    scheme: Https,
+    host: client.host,
+    port: client.port,
+    path: "/xrpx/" <> nsid.to_string(path),
+    query: case parameters {
+      [] -> option.None
+      _ -> option.Some(uri.query_to_string(parameters))
+    },
+  )
+}