diff --git a/host/ark/default.nix b/host/ark/default.nix
index f126ed2..de11fb2 100644
--- a/host/ark/default.nix
+++ b/host/ark/default.nix
@@ -16,6 +16,7 @@
     ./service/wakapi.nix
 
     ./service/elytra.nix
+    ./service/money.nix
   ];
 
   # Use the systemd-boot EFI boot loader.
@@ -52,6 +53,11 @@
           "waka.koon.us" = "http://localhost:3006";
           "ride.koon.us" = "http://localhost:3007";
           "ride-api.koon.us" = "http://localhost:8080";
+
+          "money.koon.us" = "http://localhost:3160";
+          "zero.koon.us" = "http://localhost:4848";
+          "money-api.koon.us" = "http://localhost:3161";
+
         };
         default = "http_status:404";
       };
diff --git a/host/ark/service/money.nix b/host/ark/service/money.nix
new file mode 100644
index 0000000..7b0e3e3
--- /dev/null
+++ b/host/ark/service/money.nix
@@ -0,0 +1,198 @@
+{ pkgs, config, ... }:
+
+  let
+
+  src = pkgs.fetchgit {
+    url = "https://git.koon.us/max/money.git";
+    hash = "sha256-HG7R/rv6H7jIBp0qK3azy1x1myjOBJCQqI+K0ydztKs=";
+  };
+
+  expoWeb = pkgs.stdenv.mkDerivation (finalAttrs: {
+    pname = "expo-web";
+    version = "1.0.0";
+    src = src;
+    pnpm = pkgs.pnpm_10;
+    nativeBuildInputs = [
+      pkgs.nodejs
+      finalAttrs.pnpm.configHook
+    ];
+    pnpmDeps = finalAttrs.pnpm.fetchDeps {
+      inherit (finalAttrs) pname version src;
+      fetcherVersion = 2;
+      hash = "sha256-x2zCFeMU0VfkVRILrLReEOFNrcd7aJp57v4fMGBE2dI=";
+    };
+    pnpmInstallFlags = [ "--frozen-lockfile" ];
+    buildPhase = ''
+      runHook preBuild
+      pnpm run build
+      runHook postBuild
+    '';
+
+    installPhase = ''
+      mkdir -p $out
+      cp -r dist/* $out/
+    '';
+  });
+
+  api = pkgs.stdenv.mkDerivation (finalAttrs: {
+    pname = "koon-money-api";
+    version = "1.0.1";
+    src = src;
+    pnpm = pkgs.pnpm_10;
+    nativeBuildInputs = [
+      pkgs.nodejs
+      finalAttrs.pnpm.configHook
+      pkgs.python3  # Required for node-gyp
+      pkgs.nodePackages.node-gyp  # For building native modules
+      pkgs.pkg-config
+      pkgs.gnumake
+      pkgs.gcc
+    ];
+    buildInputs = [
+      pkgs.sqlite
+      pkgs.sqlite.dev
+      pkgs.readline
+      pkgs.ncurses
+      pkgs.libbsd
+    ];
+    pnpmDeps = finalAttrs.pnpm.fetchDeps {
+      inherit (finalAttrs) pname version src;
+      fetcherVersion = 2;
+      hash = "sha256-x2zCFeMU0VfkVRILrLReEOFNrcd7aJp57v4fMGBE2dI=";
+    };
+    NIX_CFLAGS_COMPILE = "-D_GNU_SOURCE";
+    pnpmInstallFlags = [ "--frozen-lockfile" ];
+
+    buildPhase = ''
+      runHook preBuild
+      cd node_modules/@rocicorp/zero-sqlite3
+      node-gyp rebuild --build-from-source
+      cd -
+      runHook postBuild
+    '';
+
+    installPhase = ''
+      mkdir -p $out
+      cp -r . $out/
+    '';
+  });
+
+  api-port = "3161";
+  in
+{
+
+  services.nginx = {
+    enable = true;
+
+    virtualHosts."money.koon.us" = {
+      root = "${expoWeb}";
+      listen = [
+        { addr = "127.0.0.1"; port = 3160; }
+      ];
+      locations."/" = {
+        tryFiles = "$uri /index.html";
+      };
+    };
+
+  };
+
+  virtualisation.oci-containers = {
+    backend = "podman";
+    containers = {
+      zero = {
+        image = "rocicorp/zero:0.23.2025101600";
+        ports = ["127.0.0.1:4848:4848"];
+        volumes = [ "/run/postgresql:/run/postgresql" ];
+        environment = {
+
+          ZERO_UPSTREAM_DB = "postgresql://postgres@127.0.0.1/money";
+          ZERO_REPLICA_FILE = "/tmp/zync-replica.db";
+          ZERO_GET_QUERIES_URL = "http://localhost:${api-port}/api/zero/get-queries";
+          ZERO_GET_QUERIES_FORWARD_COOKIES = "true";
+
+          ZERO_MUTATE_URL = "http://localhost:${api-port}/api/zero/mutate";
+          ZERO_MUTATE_FORWARD_COOKIES = "true";
+        };
+        extraOptions = [ "--network=host" ];
+      };
+    };
+  };
+
+  services.postgresql = {
+    enable = true;
+    ensureDatabases = [ "money" ];
+    ensureUsers = [
+      {
+        name = "money";
+        ensureDBOwnership = true;
+      }
+    ];
+    authentication = ''
+      # TYPE  DATABASE  USER     ADDRESS        METHOD
+      local   all       postgres               peer
+      host    all       all     127.0.0.1/32   trust
+      host    all       all     ::1/128        trust
+    '';
+    settings = {
+      wal_level = "logical";
+    };
+  };
+
+  systemd.services.money-api = {
+    description = "Money API";
+    wantedBy = [ "multi-user.target" ];
+    after = [ "network.target" ];
+    
+    environment = {
+      ZERO_UPSTREAM_DB = "postgresql://postgres@127.0.0.1/money";
+      PORT = api-port;
+      NODE_ENV = "production";
+      BETTER_AUTH_SECRET = "burger";
+      DEBUG = "*";
+      NODE_OPTIONS = "--trace-warnings --trace-uncaught";
+      OAUTH_DISCOVERY_URL = "https://auth.koon.us/.well-known/openid-configuration";
+    };
+
+    serviceConfig = {
+      Type = "simple";
+      User = "money";
+      Group = "money";
+      WorkingDirectory = "${api}/shared";
+
+      ExecStartPre = "${api}/node_modules/.bin/drizzle-kit push --config=${api}/shared/drizzle.config.ts";
+
+      ExecStart = pkgs.writeShellScript "money-api-start" ''
+        set -euo pipefail
+
+        export OAUTH_CLIENT_ID="$(cat ${config.sops.secrets."money/clientId".path})"
+        export OAUTH_CLIENT_SECRET="$(cat ${config.sops.secrets."money/clientSecret".path})"
+
+        exec ${api}/node_modules/.bin/tsx ${api}/api/src/index.ts
+      '';
+
+      EnvironmentFile = config.sops.secrets."money-env".path;
+
+      Restart = "on-failure";
+      RestartSec = 10;
+
+      SyslogIdentifier = "money-api";
+      StandardOutput = "journal";
+      StandardError = "journal";
+    };
+  };
+
+
+
+  users.users.money = {
+    isSystemUser = true;
+    home = "/var/lib/money";
+    createHome = true;
+    group = "money";
+  };
+  
+  users.groups.money = {};
+
+
+
+}
+
diff --git a/host/ark/sops.nix b/host/ark/sops.nix
index 130bfb7..10c3c29 100644
--- a/host/ark/sops.nix
+++ b/host/ark/sops.nix
@@ -31,6 +31,10 @@
         owner = config.users.users.elytra-web.name;
       };
 
+      "money-env" = {
+        owner = config.users.users.money.name;
+      };
+
       "photos/clientId" = {
         sopsFile = ../../secrets/sops/host/ark/oauth.yaml;
       };
@@ -55,6 +59,14 @@
         sopsFile = ../../secrets/sops/host/ark/oauth.yaml;
         owner = config.services.outline.user;
       };
+      "money/clientId" = {
+        sopsFile = ../../secrets/sops/host/ark/oauth.yaml;
+        owner = config.users.users.money.name;
+      };
+      "money/clientSecret" = {
+        sopsFile = ../../secrets/sops/host/ark/oauth.yaml;
+        owner = config.users.users.money.name;
+      };
     };
   };
 }
diff --git a/secrets b/secrets
index e13ba45..fdda3b7 160000
--- a/secrets
+++ b/secrets
@@ -1 +1 @@
-Subproject commit e13ba457d4a3f964df8a34765fd753c6678f6d9e
+Subproject commit fdda3b7b10726888505da9dab1aeae28a8be9ae0