diff --git a/pkgs/development/python-modules/python-http-client/default.nix b/pkgs/development/python-modules/python-http-client/default.nix
new file mode 100644
index 00000000000..f4b19ba379e
--- /dev/null
+++ b/pkgs/development/python-modules/python-http-client/default.nix
@@ -0,0 +1,34 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, mock
+, pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "python_http_client";
+  version = "3.3.1";
+
+  src = fetchFromGitHub {
+    owner = "sendgrid";
+    repo = "python-http-client";
+    rev = version;
+    sha256 = "0mbcg0vb9v41v7hbvycrxx5wyrf3ysvfgxkix8hn8c4x5l2lmidc";
+  };
+
+  checkInputs = [
+    mock
+    pytestCheckHook
+  ];
+
+  # Failure was fixed by https://github.com/sendgrid/python-http-client/commit/6d62911ab0d0645b499e14bb17c302b48f3c10e4
+  disabledTests = [ "test__daterange" ];
+  pythonImportsCheck = [ "python_http_client" ];
+
+  meta = with lib; {
+    description = "Python HTTP library to call APIs";
+    homepage = "https://github.com/sendgrid/python-http-client";
+    license = with licenses; [ mit ];
+    maintainers = with maintainers; [ fab ];
+  };
+}
diff --git a/pkgs/development/python-modules/sendgrid/default.nix b/pkgs/development/python-modules/sendgrid/default.nix
new file mode 100644
index 00000000000..77cd3593863
--- /dev/null
+++ b/pkgs/development/python-modules/sendgrid/default.nix
@@ -0,0 +1,49 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, flask
+, pytestCheckHook
+, python-http-client
+, pyyaml
+, starkbank-ecdsa
+, werkzeug
+}:
+
+buildPythonPackage rec {
+  pname = "sendgrid";
+  version = "6.5.0";
+
+  src = fetchFromGitHub {
+    owner = pname;
+    repo = "sendgrid-python";
+    rev = version;
+    sha256 = "14kqjdv49486ksc1s0m0hc4k5nf9vn1v1g489mpib01hiiqxjp1b";
+  };
+
+  propagatedBuildInputs = [
+    python-http-client
+    starkbank-ecdsa
+  ];
+
+  checkInputs = [
+    flask
+    pytestCheckHook
+    pyyaml
+    werkzeug
+  ];
+
+  # Exclude tests that require network access
+  pytestFlagsArray = [
+    "--ignore test/test_sendgrid.py"
+    "--ignore live_test.py"
+  ];
+
+  pythonImportsCheck = [ "sendgrid" ];
+
+  meta = with lib; {
+    description = "Python client for SendGrid";
+    homepage = "https://github.com/sendgrid/sendgrid-python";
+    license = with licenses; [ mit ];
+    maintainers = with maintainers; [ fab ];
+  };
+}
diff --git a/pkgs/development/python-modules/starkbank-ecdsa/default.nix b/pkgs/development/python-modules/starkbank-ecdsa/default.nix
new file mode 100644
index 00000000000..70b66b9a468
--- /dev/null
+++ b/pkgs/development/python-modules/starkbank-ecdsa/default.nix
@@ -0,0 +1,28 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "starkbank-ecdsa";
+  version = "1.1.0";
+
+  src = fetchFromGitHub {
+    owner = "starkbank";
+    repo = "ecdsa-python";
+    rev = "v${version}";
+    sha256 = "03smk33zhmv1j1svgjnykak0jnw8yl0yv03i1gsasx71f33zmfwi";
+  };
+
+  checkInputs = [ pytestCheckHook ];
+  pytestFlagsArray = [ "-v tests/*.py" ];
+  pythonImportsCheck = [ "ellipticcurve" ];
+
+  meta = with lib; {
+    description = "Python ECDSA library";
+    homepage = "https://github.com/starkbank/ecdsa-python";
+    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 b1dcbeae5d4..ced3cb87eec 100644
--- a/pkgs/servers/home-assistant/component-packages.nix
+++ b/pkgs/servers/home-assistant/component-packages.nix
@@ -709,7 +709,7 @@
     "scsgate" = ps: with ps; [ ]; # missing inputs: scsgate
     "search" = ps: with ps; [ aiohttp-cors ];
     "season" = ps: with ps; [ ephem ];
-    "sendgrid" = ps: with ps; [ ]; # missing inputs: sendgrid
+    "sendgrid" = ps: with ps; [ sendgrid ];
     "sense" = ps: with ps; [ ]; # missing inputs: sense_energy
     "sensehat" = ps: with ps; [ ]; # missing inputs: sense-hat
     "sensibo" = ps: with ps; [ ]; # missing inputs: pysensibo
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 1ae8fab8847..06a226a7c57 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -6199,6 +6199,8 @@ in {
 
   python-hpilo = callPackage ../development/python-modules/python-hpilo { };
 
+  python-http-client = callPackage ../development/python-modules/python-http-client { };
+
   python-igraph = callPackage ../development/python-modules/python-igraph {
     pkg-config = pkgs.pkg-config;
     igraph = pkgs.igraph;
@@ -6981,6 +6983,8 @@ in {
 
   send2trash = callPackage ../development/python-modules/send2trash { };
 
+  sendgrid = callPackage ../development/python-modules/sendgrid { };
+
   sentencepiece = callPackage ../development/python-modules/sentencepiece { inherit (pkgs) sentencepiece pkg-config; };
 
   sentinel = callPackage ../development/python-modules/sentinel { };
@@ -7367,6 +7371,8 @@ in {
     inherit (pkgs.darwin.apple_sdk.frameworks) ApplicationServices;
   };
 
+  starkbank-ecdsa = callPackage ../development/python-modules/starkbank-ecdsa { };
+
   staticjinja = callPackage ../development/python-modules/staticjinja { };
 
   statistics = callPackage ../development/python-modules/statistics { };