diff --git a/gleam.toml b/gleam.toml
index 5c49e6a..98aedcb 100644
--- a/gleam.toml
+++ b/gleam.toml
@@ -14,6 +14,10 @@ version = "1.0.0"
 
 [dependencies]
 gleam_stdlib = ">= 0.34.0 and < 2.0.0"
+gleam_http = ">= 3.6.0 and < 4.0.0"
+mist = ">= 1.2.0 and < 2.0.0"
+gleam_otp = ">= 0.10.0 and < 1.0.0"
+gleam_erlang = ">= 0.25.0 and < 1.0.0"
 
 [dev-dependencies]
 gleeunit = ">= 1.0.0 and < 2.0.0"
diff --git a/manifest.toml b/manifest.toml
new file mode 100644
index 0000000..63f8030
--- /dev/null
+++ b/manifest.toml
@@ -0,0 +1,26 @@
+# This file was generated by Gleam
+# You typically do not need to edit this file
+
+packages = [
+  { name = "birl", version = "1.7.1", build_tools = ["gleam"], requirements = ["gleam_stdlib", "ranger"], otp_app = "birl", source = "hex", outer_checksum = "5C66647D62BCB11FE327E7A6024907C4A17954EF22865FE0940B54A852446D01" },
+  { name = "gleam_crypto", version = "1.3.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_crypto", source = "hex", outer_checksum = "ADD058DEDE8F0341F1ADE3AAC492A224F15700829D9A3A3F9ADF370F875C51B7" },
+  { name = "gleam_erlang", version = "0.25.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_erlang", source = "hex", outer_checksum = "054D571A7092D2A9727B3E5D183B7507DAB0DA41556EC9133606F09C15497373" },
+  { name = "gleam_http", version = "3.6.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_http", source = "hex", outer_checksum = "8C07DF9DF8CC7F054C650839A51C30A7D3C26482AC241C899C1CEA86B22DBE51" },
+  { name = "gleam_otp", version = "0.10.0", build_tools = ["gleam"], requirements = ["gleam_erlang", "gleam_stdlib"], otp_app = "gleam_otp", source = "hex", outer_checksum = "0B04FE915ACECE539B317F9652CAADBBC0F000184D586AAAF2D94C100945D72B" },
+  { name = "gleam_stdlib", version = "0.39.0", build_tools = ["gleam"], requirements = [], otp_app = "gleam_stdlib", source = "hex", outer_checksum = "2D7DE885A6EA7F1D5015D1698920C9BAF7241102836CE0C3837A4F160128A9C4" },
+  { name = "gleeunit", version = "1.2.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleeunit", source = "hex", outer_checksum = "F7A7228925D3EE7D0813C922E062BFD6D7E9310F0BEE585D3A42F3307E3CFD13" },
+  { name = "glisten", version = "2.0.0", build_tools = ["gleam"], requirements = ["gleam_erlang", "gleam_otp", "gleam_stdlib"], otp_app = "glisten", source = "hex", outer_checksum = "CF3A9383E9BA4A8CBAF2F7B799716290D02F2AC34E7A77556B49376B662B9314" },
+  { name = "gramps", version = "2.0.3", build_tools = ["gleam"], requirements = ["gleam_crypto", "gleam_erlang", "gleam_http", "gleam_stdlib"], otp_app = "gramps", source = "hex", outer_checksum = "3CCAA6E081225180D95C79679D383BBF51C8D1FDC1B84DA1DA444F628C373793" },
+  { name = "hpack_erl", version = "0.3.0", build_tools = ["rebar3"], requirements = [], otp_app = "hpack", source = "hex", outer_checksum = "D6137D7079169D8C485C6962DFE261AF5B9EF60FBC557344511C1E65E3D95FB0" },
+  { name = "logging", version = "1.3.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "logging", source = "hex", outer_checksum = "1098FBF10B54B44C2C7FDF0B01C1253CAFACDACABEFB4B0D027803246753E06D" },
+  { name = "mist", version = "1.2.0", build_tools = ["gleam"], requirements = ["birl", "gleam_erlang", "gleam_http", "gleam_otp", "gleam_stdlib", "glisten", "gramps", "hpack_erl", "logging"], otp_app = "mist", source = "hex", outer_checksum = "109B4D64E68C104CC23BB3CC5441ECD479DD7444889DA01113B75C6AF0F0E17B" },
+  { name = "ranger", version = "1.2.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "ranger", source = "hex", outer_checksum = "1566C272B1D141B3BBA38B25CB761EF56E312E79EC0E2DFD4D3C19FB0CC1F98C" },
+]
+
+[requirements]
+gleam_erlang = { version = ">= 0.25.0 and < 1.0.0"}
+gleam_http = { version = ">= 3.6.0 and < 4.0.0"}
+gleam_otp = { version = ">= 0.10.0 and < 1.0.0"}
+gleam_stdlib = { version = ">= 0.34.0 and < 2.0.0" }
+gleeunit = { version = ">= 1.0.0 and < 2.0.0" }
+mist = { version = ">= 1.2.0 and < 2.0.0"}
diff --git a/src/webtest.gleam b/src/webtest.gleam
index 0657c0a..e2d3528 100644
--- a/src/webtest.gleam
+++ b/src/webtest.gleam
@@ -1,5 +1,62 @@
+import gleam/bytes_builder
+import gleam/erlang/process
+import gleam/http
+import gleam/http/request.{type Request}
+import gleam/http/response.{type Response}
 import gleam/io
+import gleam/iterator
+import gleam/option.{None, Some}
+import gleam/otp/actor
+import gleam/result
+import gleam/string
+import mist.{type Connection, type ResponseData}
 
 pub fn main() {
-  io.println("Hello from webtest!")
+  let selector = process.new_selector()
+  let state = Nil
+
+  let not_found =
+    response.new(404)
+    |> response.set_body(mist.Bytes(bytes_builder.new()))
+
+  let assert Ok(_) =
+    fn(req: Request(Connection)) -> Response(ResponseData) {
+      case request.path_segments(req) {
+        ["ws"] ->
+          mist.websocket(
+            request: req,
+            on_init: fn(_conn) { #(state, Some(selector)) },
+            on_close: fn(_state) { io.println("Goodbye!") },
+            handler: handle_we_message,
+          )
+        _ -> not_found
+      }
+    }
+    |> mist.new
+    |> mist.port(3000)
+    |> mist.start_http
+
+  process.sleep_forever()
+}
+
+pub type MyMessage {
+  Broadcast(String)
+}
+
+fn handle_we_message(state, conn, message) {
+  case message {
+    mist.Text("ping") -> {
+      let assert Ok(_) = mist.send_text_frame(conn, "pong")
+      actor.continue(state)
+    }
+    mist.Text(_) | mist.Binary(_) -> {
+      actor.continue(state)
+    }
+    mist.Custom(Broadcast(text)) -> {
+      let assert Ok(_) = mist.send_text_frame(conn, text)
+      actor.continue(state)
+    }
+
+    mist.Closed | mist.Shutdown -> actor.Stop(process.Normal)
+  }
 }