diff --git a/nixos/tests/all-tests.nix b/nixos/tests/all-tests.nix
index a5d820bd50f0..b838d2d8cff4 100644
--- a/nixos/tests/all-tests.nix
+++ b/nixos/tests/all-tests.nix
@@ -1094,6 +1094,7 @@ in
   nextflow = runTestOn [ "x86_64-linux" ] ./nextflow.nix;
   nextjs-ollama-llm-ui = runTest ./web-apps/nextjs-ollama-llm-ui.nix;
   nexus = runTest ./nexus.nix;
+  nezha = runTest ./nezha.nix;
   # TODO: Test nfsv3 + Kerberos
   nfs3 = handleTest ./nfs { version = 3; };
   nfs4 = handleTest ./nfs { version = 4; };
diff --git a/nixos/tests/nezha.nix b/nixos/tests/nezha.nix
new file mode 100644
index 000000000000..924cfc1d8300
--- /dev/null
+++ b/nixos/tests/nezha.nix
@@ -0,0 +1,114 @@
+{ lib, pkgs, ... }:
+let
+  agent_host = "agent.test";
+  dashboard_host = "dashboard.test";
+
+  agentSecret = pkgs.writeText "fakeagentsecret" "fakeagentsecret";
+
+  hosts = {
+    "${agent_host}" = "192.168.0.2";
+    "${dashboard_host}" = "192.168.0.1";
+  };
+  hostsEntries = lib.mapAttrs' (k: v: {
+    name = v;
+    value = lib.singleton k;
+  }) hosts;
+in
+{
+  name = "nezha";
+
+  meta.maintainers = with lib.maintainers; [ moraxyc ];
+
+  containers = {
+    agent = _: {
+      networking = {
+        hostName = builtins.elemAt (lib.splitString "." agent_host) 0;
+        domain = builtins.elemAt (lib.splitString "." agent_host) 1;
+        firewall.enable = false;
+        hosts = hostsEntries;
+        useDHCP = false;
+        interfaces.eth1.ipv4.addresses = lib.singleton {
+          address = hosts."${agent_host}";
+          prefixLength = 24;
+        };
+      };
+      services.nezha-agent = {
+        enable = true;
+        debug = true;
+        genUuid = true;
+        settings = {
+          server = hosts."${dashboard_host}" + ":80";
+        };
+        clientSecretFile = agentSecret;
+      };
+    };
+
+    dashboard =
+      { pkgs, ... }:
+      {
+        networking = {
+          firewall.enable = false;
+          hosts = hostsEntries;
+          useDHCP = false;
+          interfaces.eth1.ipv4.addresses = lib.singleton {
+            address = hosts."${dashboard_host}";
+            prefixLength = 24;
+          };
+        };
+        services.nezha = {
+          enable = true;
+          debug = true;
+          settings = {
+            listenhost = "0.0.0.0";
+            # Test CAP_NET_BIND_SERVICE
+            listenport = 80;
+          };
+          mutableConfig = true;
+          jwtSecretFile = pkgs.writeText "fakejwt" "fakejwt";
+          agentSecretFile = agentSecret;
+        };
+      };
+  };
+
+  testScript = ''
+    import json
+
+    with subtest("Wait for services and network"):
+        dashboard.wait_for_unit("nezha.service")
+        agent.wait_for_unit("nezha-agent.service")
+        dashboard.wait_for_open_port(80)
+        dashboard.wait_for_unit("network.target")
+        agent.wait_for_unit("network.target")
+        agent.succeed("curl --fail --max-time 10 http://dashboard.test/")
+
+    with subtest("Test mutableConfig"):
+        dashboard.succeed("systemctl stop nezha")
+        dashboard.succeed("""
+          echo '{"sitename": "Nezha on NixOS"}' > /etc/nezha/config.yaml
+        """)
+        dashboard.succeed("systemctl start nezha")
+        dashboard.wait_for_unit("nezha.service")
+        dashboard.wait_for_open_port(80)
+        result = json.loads(agent.succeed("""
+            curl --fail -X POST --json '{ "username": "admin", "password": "admin"}' \
+              'http://dashboard.test/api/v1/login'
+        """))
+        token = result['data']['token']
+        result = json.loads(agent.succeed(f"""
+          curl --fail -X GET --header 'Authorization: Bearer {token}' \
+            'http://dashboard.test/api/v1/setting'
+        """))
+        assert "Nezha on NixOS" == result['data']['config']['site_name']
+
+    with subtest("Verify connection and uuid"):
+        uuid = agent.succeed(
+            "${lib.getExe' pkgs.util-linux "uuidgen"} --md5 -n @dns -N ${agent_host}"
+        )
+        # remove unprintable characters
+        uuid = "".join([char for char in uuid if char.isprintable()])
+        agent.wait_until_succeeds(f"""
+          curl --fail -X GET --header 'Authorization: Bearer {token}' \
+            'http://dashboard.test/api/v1/server' | grep {uuid}
+        """)
+  '';
+}