diff --git a/pkgs/development/python-modules/openerz-api/default.nix b/pkgs/development/python-modules/openerz-api/default.nix
new file mode 100644
index 000000000000..9cbe89e26a34
--- /dev/null
+++ b/pkgs/development/python-modules/openerz-api/default.nix
@@ -0,0 +1,39 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, pytestCheckHook
+, pythonOlder
+, requests
+, testfixtures
+}:
+
+buildPythonPackage rec {
+  pname = "openerz-api";
+  version = "0.1.0";
+  disabled = pythonOlder "3.6";
+
+  src = fetchFromGitHub {
+    owner = "misialq";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "10kxsmaz2rn26jijaxmdmhx8vjdz8hrhlrvd39gc8yvqbjwhi3nw";
+  };
+
+  propagatedBuildInputs = [
+    requests
+  ];
+
+  checkInputs = [
+    pytestCheckHook
+    testfixtures
+  ];
+
+  pythonImportsCheck = [ "openerz_api" ];
+
+  meta = with lib; {
+    description = "Python module to interact with the OpenERZ API";
+    homepage = "https://github.com/misialq/openerz-api";
+    license = with licenses; [ mit ];
+    maintainers = with maintainers; [ fab ];
+  };
+}
diff --git a/pkgs/servers/home-assistant/component-packages.nix b/pkgs/servers/home-assistant/component-packages.nix
index 65d304fb90be..8a00c8b5f767 100644
--- a/pkgs/servers/home-assistant/component-packages.nix
+++ b/pkgs/servers/home-assistant/component-packages.nix
@@ -590,7 +590,7 @@
     "openalpr_cloud" = ps: with ps; [ ];
     "openalpr_local" = ps: with ps; [ ];
     "opencv" = ps: with ps; [ numpy ]; # missing inputs: opencv-python-headless
-    "openerz" = ps: with ps; [ ]; # missing inputs: openerz-api
+    "openerz" = ps: with ps; [ openerz-api ];
     "openevse" = ps: with ps; [ ]; # missing inputs: openevsewifi
     "openexchangerates" = ps: with ps; [ ];
     "opengarage" = ps: with ps; [ ]; # missing inputs: open-garage
diff --git a/pkgs/servers/home-assistant/default.nix b/pkgs/servers/home-assistant/default.nix
index 1ebc381c6cc2..d4516167fddd 100644
--- a/pkgs/servers/home-assistant/default.nix
+++ b/pkgs/servers/home-assistant/default.nix
@@ -324,6 +324,7 @@ in with py.pkgs; buildPythonApplication rec {
     "number"
     "omnilogic"
     "ondilo_ico"
+    "openerz"
     "ozw"
     "panel_custom"
     "panel_iframe"
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 7488dfd8fd36..8169495a3e16 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -4906,6 +4906,8 @@ in {
     pythonPackages = self;
   }));
 
+  openerz-api = callPackage ../development/python-modules/openerz-api { };
+
   openhomedevice = callPackage ../development/python-modules/openhomedevice { };
 
   openidc-client = callPackage ../development/python-modules/openidc-client { };