diff --git a/.strict-typing b/.strict-typing
index e93f1589cc8..1a5133efe89 100644
--- a/.strict-typing
+++ b/.strict-typing
@@ -401,6 +401,7 @@ homeassistant.components.select.*
 homeassistant.components.sensibo.*
 homeassistant.components.sensirion_ble.*
 homeassistant.components.sensor.*
+homeassistant.components.sensoterra.*
 homeassistant.components.senz.*
 homeassistant.components.sfr_box.*
 homeassistant.components.shelly.*
diff --git a/CODEOWNERS b/CODEOWNERS
index 42d96ceb941..edd10858e8d 100644
--- a/CODEOWNERS
+++ b/CODEOWNERS
@@ -1288,6 +1288,8 @@ build.json @home-assistant/supervisor
 /tests/components/sensorpro/ @bdraco
 /homeassistant/components/sensorpush/ @bdraco
 /tests/components/sensorpush/ @bdraco
+/homeassistant/components/sensoterra/ @markruys
+/tests/components/sensoterra/ @markruys
 /homeassistant/components/sentry/ @dcramer @frenck
 /tests/components/sentry/ @dcramer @frenck
 /homeassistant/components/senz/ @milanmeu
diff --git a/homeassistant/components/sensoterra/__init__.py b/homeassistant/components/sensoterra/__init__.py
new file mode 100644
index 00000000000..b1428351f09
--- /dev/null
+++ b/homeassistant/components/sensoterra/__init__.py
@@ -0,0 +1,38 @@
+"""The Sensoterra integration."""
+
+from __future__ import annotations
+
+from sensoterra.customerapi import CustomerApi
+
+from homeassistant.config_entries import ConfigEntry
+from homeassistant.const import CONF_TOKEN, Platform
+from homeassistant.core import HomeAssistant
+
+from .coordinator import SensoterraCoordinator
+
+PLATFORMS: list[Platform] = [Platform.SENSOR]
+
+type SensoterraConfigEntry = ConfigEntry[SensoterraCoordinator]
+
+
+async def async_setup_entry(hass: HomeAssistant, entry: SensoterraConfigEntry) -> bool:
+    """Set up Sensoterra platform based on a configuration entry."""
+
+    # Create a coordinator and add an API instance to it. Store the coordinator
+    # in the configuration entry.
+    api = CustomerApi()
+    api.set_language(hass.config.language)
+    api.set_token(entry.data[CONF_TOKEN])
+
+    coordinator = SensoterraCoordinator(hass, api)
+    await coordinator.async_config_entry_first_refresh()
+    entry.runtime_data = coordinator
+
+    await hass.config_entries.async_forward_entry_setups(entry, PLATFORMS)
+
+    return True
+
+
+async def async_unload_entry(hass: HomeAssistant, entry: SensoterraConfigEntry) -> bool:
+    """Unload the configuration entry."""
+    return await hass.config_entries.async_unload_platforms(entry, PLATFORMS)
diff --git a/homeassistant/components/sensoterra/config_flow.py b/homeassistant/components/sensoterra/config_flow.py
new file mode 100644
index 00000000000..c98710dfa7d
--- /dev/null
+++ b/homeassistant/components/sensoterra/config_flow.py
@@ -0,0 +1,90 @@
+"""Config flow for Sensoterra integration."""
+
+from __future__ import annotations
+
+from datetime import datetime, timedelta
+from typing import Any
+
+from jwt import DecodeError, decode
+from sensoterra.customerapi import (
+    CustomerApi,
+    InvalidAuth as StInvalidAuth,
+    Timeout as StTimeout,
+)
+import voluptuous as vol
+
+from homeassistant.config_entries import SOURCE_USER, ConfigFlow, ConfigFlowResult
+from homeassistant.const import CONF_EMAIL, CONF_PASSWORD, CONF_TOKEN
+from homeassistant.helpers.selector import (
+    TextSelector,
+    TextSelectorConfig,
+    TextSelectorType,
+)
+
+from .const import DOMAIN, LOGGER, TOKEN_EXPIRATION_DAYS
+
+STEP_USER_DATA_SCHEMA = vol.Schema(
+    {
+        vol.Required(CONF_EMAIL): TextSelector(
+            TextSelectorConfig(type=TextSelectorType.EMAIL, autocomplete="email")
+        ),
+        vol.Required(CONF_PASSWORD): TextSelector(
+            TextSelectorConfig(type=TextSelectorType.PASSWORD)
+        ),
+    }
+)
+
+
+class SensoterraConfigFlow(ConfigFlow, domain=DOMAIN):
+    """Handle a config flow for Sensoterra."""
+
+    async def async_step_user(
+        self, user_input: dict[str, Any] | None = None
+    ) -> ConfigFlowResult:
+        """Create hub entry based on config flow."""
+        errors: dict[str, str] = {}
+
+        if user_input is not None:
+            api = CustomerApi(user_input[CONF_EMAIL], user_input[CONF_PASSWORD])
+            # We need a unique tag per HA instance
+            uuid = self.hass.data["core.uuid"]
+            expiration = datetime.now() + timedelta(TOKEN_EXPIRATION_DAYS)
+
+            try:
+                token: str = await api.get_token(
+                    f"Home Assistant {uuid}", "READONLY", expiration
+                )
+                decoded_token = decode(
+                    token, algorithms=["HS256"], options={"verify_signature": False}
+                )
+
+            except StInvalidAuth as exp:
+                LOGGER.error(
+                    "Login attempt with %s: %s", user_input[CONF_EMAIL], exp.message
+                )
+                errors["base"] = "invalid_auth"
+            except StTimeout:
+                LOGGER.error("Login attempt with %s: time out", user_input[CONF_EMAIL])
+                errors["base"] = "cannot_connect"
+            except DecodeError:
+                LOGGER.error("Login attempt with %s: bad token", user_input[CONF_EMAIL])
+                errors["base"] = "invalid_access_token"
+            else:
+                device_unique_id = decoded_token["sub"]
+                await self.async_set_unique_id(device_unique_id)
+                self._abort_if_unique_id_configured()
+                return self.async_create_entry(
+                    title=user_input[CONF_EMAIL],
+                    data={
+                        CONF_TOKEN: token,
+                        CONF_EMAIL: user_input[CONF_EMAIL],
+                    },
+                )
+
+        return self.async_show_form(
+            step_id=SOURCE_USER,
+            data_schema=self.add_suggested_values_to_schema(
+                STEP_USER_DATA_SCHEMA, user_input
+            ),
+            errors=errors,
+        )
diff --git a/homeassistant/components/sensoterra/const.py b/homeassistant/components/sensoterra/const.py
new file mode 100644
index 00000000000..7c4ccf2944c
--- /dev/null
+++ b/homeassistant/components/sensoterra/const.py
@@ -0,0 +1,10 @@
+"""Constants for the Sensoterra integration."""
+
+import logging
+
+DOMAIN = "sensoterra"
+SCAN_INTERVAL_MINUTES = 15
+SENSOR_EXPIRATION_DAYS = 2
+TOKEN_EXPIRATION_DAYS = 10 * 365
+CONFIGURATION_URL = "https://monitor.sensoterra.com"
+LOGGER: logging.Logger = logging.getLogger(__package__)
diff --git a/homeassistant/components/sensoterra/coordinator.py b/homeassistant/components/sensoterra/coordinator.py
new file mode 100644
index 00000000000..2dffdceb443
--- /dev/null
+++ b/homeassistant/components/sensoterra/coordinator.py
@@ -0,0 +1,54 @@
+"""Polling coordinator for the Sensoterra integration."""
+
+from collections.abc import Callable
+from datetime import timedelta
+
+from sensoterra.customerapi import (
+    CustomerApi,
+    InvalidAuth as ApiAuthError,
+    Timeout as ApiTimeout,
+)
+from sensoterra.probe import Probe, Sensor
+
+from homeassistant.core import HomeAssistant
+from homeassistant.exceptions import ConfigEntryError
+from homeassistant.helpers.update_coordinator import DataUpdateCoordinator, UpdateFailed
+
+from .const import LOGGER, SCAN_INTERVAL_MINUTES
+
+
+class SensoterraCoordinator(DataUpdateCoordinator[list[Probe]]):
+    """Sensoterra coordinator."""
+
+    def __init__(self, hass: HomeAssistant, api: CustomerApi) -> None:
+        """Initialize Sensoterra coordinator."""
+        super().__init__(
+            hass,
+            LOGGER,
+            name="Sensoterra probe",
+            update_interval=timedelta(minutes=SCAN_INTERVAL_MINUTES),
+        )
+        self.api = api
+        self.add_devices_callback: Callable[[list[Probe]], None] | None = None
+
+    async def _async_update_data(self) -> list[Probe]:
+        """Fetch data from Sensoterra Customer API endpoint."""
+        try:
+            probes = await self.api.poll()
+        except ApiAuthError as err:
+            raise ConfigEntryError(err) from err
+        except ApiTimeout as err:
+            raise UpdateFailed("Timeout communicating with Sensotera API") from err
+
+        if self.add_devices_callback is not None:
+            self.add_devices_callback(probes)
+
+        return probes
+
+    def get_sensor(self, id: str | None) -> Sensor | None:
+        """Try to find the sensor in the API result."""
+        for probe in self.data:
+            for sensor in probe.sensors():
+                if sensor.id == id:
+                    return sensor
+        return None
diff --git a/homeassistant/components/sensoterra/manifest.json b/homeassistant/components/sensoterra/manifest.json
new file mode 100644
index 00000000000..942741fdb2f
--- /dev/null
+++ b/homeassistant/components/sensoterra/manifest.json
@@ -0,0 +1,10 @@
+{
+  "domain": "sensoterra",
+  "name": "Sensoterra",
+  "codeowners": ["@markruys"],
+  "config_flow": true,
+  "documentation": "https://www.home-assistant.io/integrations/sensoterra",
+  "integration_type": "hub",
+  "iot_class": "cloud_polling",
+  "requirements": ["sensoterra==2.0.1"]
+}
diff --git a/homeassistant/components/sensoterra/sensor.py b/homeassistant/components/sensoterra/sensor.py
new file mode 100644
index 00000000000..7e9f4d0840e
--- /dev/null
+++ b/homeassistant/components/sensoterra/sensor.py
@@ -0,0 +1,172 @@
+"""Sensoterra devices."""
+
+from __future__ import annotations
+
+from datetime import UTC, datetime, timedelta
+from enum import StrEnum, auto
+
+from sensoterra.probe import Probe, Sensor
+
+from homeassistant.components.sensor import (
+    SensorDeviceClass,
+    SensorEntity,
+    SensorEntityDescription,
+    SensorStateClass,
+)
+from homeassistant.const import (
+    PERCENTAGE,
+    SIGNAL_STRENGTH_DECIBELS_MILLIWATT,
+    EntityCategory,
+    UnitOfTemperature,
+)
+from homeassistant.core import HomeAssistant, callback
+from homeassistant.helpers.device_registry import DeviceInfo
+from homeassistant.helpers.entity_platform import AddEntitiesCallback
+from homeassistant.helpers.typing import StateType
+from homeassistant.helpers.update_coordinator import CoordinatorEntity
+
+from . import SensoterraConfigEntry
+from .const import CONFIGURATION_URL, DOMAIN, SENSOR_EXPIRATION_DAYS
+from .coordinator import SensoterraCoordinator
+
+
+class ProbeSensorType(StrEnum):
+    """Generic sensors within a Sensoterra probe."""
+
+    MOISTURE = auto()
+    SI = auto()
+    TEMPERATURE = auto()
+    BATTERY = auto()
+    RSSI = auto()
+
+
+SENSORS: dict[ProbeSensorType, SensorEntityDescription] = {
+    ProbeSensorType.MOISTURE: SensorEntityDescription(
+        key=ProbeSensorType.MOISTURE,
+        state_class=SensorStateClass.MEASUREMENT,
+        suggested_display_precision=0,
+        device_class=SensorDeviceClass.MOISTURE,
+        native_unit_of_measurement=PERCENTAGE,
+        translation_key="soil_moisture_at_cm",
+    ),
+    ProbeSensorType.SI: SensorEntityDescription(
+        key=ProbeSensorType.SI,
+        state_class=SensorStateClass.MEASUREMENT,
+        suggested_display_precision=1,
+        translation_key="si_at_cm",
+    ),
+    ProbeSensorType.TEMPERATURE: SensorEntityDescription(
+        key=ProbeSensorType.TEMPERATURE,
+        state_class=SensorStateClass.MEASUREMENT,
+        suggested_display_precision=0,
+        device_class=SensorDeviceClass.TEMPERATURE,
+        native_unit_of_measurement=UnitOfTemperature.CELSIUS,
+    ),
+    ProbeSensorType.BATTERY: SensorEntityDescription(
+        key=ProbeSensorType.BATTERY,
+        state_class=SensorStateClass.MEASUREMENT,
+        suggested_display_precision=0,
+        device_class=SensorDeviceClass.BATTERY,
+        native_unit_of_measurement=PERCENTAGE,
+        entity_category=EntityCategory.DIAGNOSTIC,
+    ),
+    ProbeSensorType.RSSI: SensorEntityDescription(
+        key=ProbeSensorType.RSSI,
+        state_class=SensorStateClass.MEASUREMENT,
+        suggested_display_precision=0,
+        device_class=SensorDeviceClass.SIGNAL_STRENGTH,
+        native_unit_of_measurement=SIGNAL_STRENGTH_DECIBELS_MILLIWATT,
+        entity_category=EntityCategory.DIAGNOSTIC,
+        entity_registry_enabled_default=False,
+    ),
+}
+
+
+async def async_setup_entry(
+    hass: HomeAssistant,
+    entry: SensoterraConfigEntry,
+    async_add_devices: AddEntitiesCallback,
+) -> None:
+    """Set up Sensoterra sensor."""
+
+    coordinator = entry.runtime_data
+
+    @callback
+    def _async_add_devices(probes: list[Probe]) -> None:
+        aha = coordinator.async_contexts()
+        current_sensors = set(aha)
+        async_add_devices(
+            SensoterraEntity(
+                coordinator,
+                probe,
+                sensor,
+                SENSORS[ProbeSensorType[sensor.type]],
+            )
+            for probe in probes
+            for sensor in probe.sensors()
+            if sensor.type is not None
+            and sensor.type.lower() in SENSORS
+            and sensor.id not in current_sensors
+        )
+
+    coordinator.add_devices_callback = _async_add_devices
+
+    _async_add_devices(coordinator.data)
+
+
+class SensoterraEntity(CoordinatorEntity[SensoterraCoordinator], SensorEntity):
+    """Sensoterra sensor like a soil moisture or temperature sensor."""
+
+    _attr_has_entity_name = True
+
+    def __init__(
+        self,
+        coordinator: SensoterraCoordinator,
+        probe: Probe,
+        sensor: Sensor,
+        entity_description: SensorEntityDescription,
+    ) -> None:
+        """Initialize entity."""
+        super().__init__(coordinator, context=sensor.id)
+
+        self._sensor_id = sensor.id
+        self._attr_unique_id = self._sensor_id
+        self._attr_translation_placeholders = {
+            "depth": "?" if sensor.depth is None else str(sensor.depth)
+        }
+
+        self.entity_description = entity_description
+
+        self._attr_device_info = DeviceInfo(
+            identifiers={(DOMAIN, probe.serial)},
+            name=probe.name,
+            model=probe.sku,
+            manufacturer="Sensoterra",
+            serial_number=probe.serial,
+            suggested_area=probe.location,
+            configuration_url=CONFIGURATION_URL,
+        )
+
+    @property
+    def sensor(self) -> Sensor | None:
+        """Return the sensor, or None if it doesn't exist."""
+        return self.coordinator.get_sensor(self._sensor_id)
+
+    @property
+    def native_value(self) -> StateType:
+        """Return the value reported by the sensor."""
+        assert self.sensor
+        return self.sensor.value
+
+    @property
+    def available(self) -> bool:
+        """Return True if entity is available."""
+        if not super().available or (sensor := self.sensor) is None:
+            return False
+
+        if sensor.timestamp is None:
+            return False
+
+        # Expire sensor if no update within the last few days.
+        expiration = datetime.now(UTC) - timedelta(days=SENSOR_EXPIRATION_DAYS)
+        return sensor.timestamp >= expiration
diff --git a/homeassistant/components/sensoterra/strings.json b/homeassistant/components/sensoterra/strings.json
new file mode 100644
index 00000000000..86c4f2c2912
--- /dev/null
+++ b/homeassistant/components/sensoterra/strings.json
@@ -0,0 +1,38 @@
+{
+  "config": {
+    "step": {
+      "user": {
+        "description": "Enter credentials to obtain a token",
+        "data": {
+          "email": "[%key:common::config_flow::data::email%]",
+          "password": "[%key:common::config_flow::data::password%]"
+        }
+      },
+      "reconfigure": {
+        "description": "[%key:component::sensoterra::config::step::user::description%]",
+        "data": {
+          "email": "[%key:common::config_flow::data::email%]",
+          "password": "[%key:common::config_flow::data::password%]"
+        }
+      }
+    },
+    "error": {
+      "cannot_connect": "[%key:common::config_flow::error::cannot_connect%]",
+      "invalid_auth": "[%key:common::config_flow::error::invalid_auth%]",
+      "invalid_access_token": "[%key:common::config_flow::error::invalid_access_token%]"
+    },
+    "abort": {
+      "already_configured": "[%key:common::config_flow::abort::already_configured_account%]"
+    }
+  },
+  "entity": {
+    "sensor": {
+      "soil_moisture_at_cm": {
+        "name": "Soil moisture @ {depth} cm"
+      },
+      "si_at_cm": {
+        "name": "SI @ {depth} cm"
+      }
+    }
+  }
+}
diff --git a/homeassistant/generated/config_flows.py b/homeassistant/generated/config_flows.py
index c7c8cd0f9f1..9f4b4e42bb0 100644
--- a/homeassistant/generated/config_flows.py
+++ b/homeassistant/generated/config_flows.py
@@ -513,6 +513,7 @@ FLOWS = {
         "sensirion_ble",
         "sensorpro",
         "sensorpush",
+        "sensoterra",
         "sentry",
         "senz",
         "seventeentrack",
diff --git a/homeassistant/generated/integrations.json b/homeassistant/generated/integrations.json
index f6854aeb58d..b4c80aa70b4 100644
--- a/homeassistant/generated/integrations.json
+++ b/homeassistant/generated/integrations.json
@@ -5391,6 +5391,12 @@
       "config_flow": true,
       "iot_class": "local_push"
     },
+    "sensoterra": {
+      "name": "Sensoterra",
+      "integration_type": "hub",
+      "config_flow": true,
+      "iot_class": "cloud_polling"
+    },
     "sentry": {
       "name": "Sentry",
       "integration_type": "service",
diff --git a/mypy.ini b/mypy.ini
index b352d2747be..3854477b94b 100644
--- a/mypy.ini
+++ b/mypy.ini
@@ -3766,6 +3766,16 @@ disallow_untyped_defs = true
 warn_return_any = true
 warn_unreachable = true
 
+[mypy-homeassistant.components.sensoterra.*]
+check_untyped_defs = true
+disallow_incomplete_defs = true
+disallow_subclassing_any = true
+disallow_untyped_calls = true
+disallow_untyped_decorators = true
+disallow_untyped_defs = true
+warn_return_any = true
+warn_unreachable = true
+
 [mypy-homeassistant.components.senz.*]
 check_untyped_defs = true
 disallow_incomplete_defs = true
diff --git a/requirements_all.txt b/requirements_all.txt
index 77f7e50674a..1a05bcdde77 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -2609,6 +2609,9 @@ sensorpro-ble==0.5.3
 # homeassistant.components.sensorpush
 sensorpush-ble==1.6.2
 
+# homeassistant.components.sensoterra
+sensoterra==2.0.1
+
 # homeassistant.components.sentry
 sentry-sdk==1.40.3
 
diff --git a/requirements_test_all.txt b/requirements_test_all.txt
index e67ff882b1a..98a26141f1a 100644
--- a/requirements_test_all.txt
+++ b/requirements_test_all.txt
@@ -2067,6 +2067,9 @@ sensorpro-ble==0.5.3
 # homeassistant.components.sensorpush
 sensorpush-ble==1.6.2
 
+# homeassistant.components.sensoterra
+sensoterra==2.0.1
+
 # homeassistant.components.sentry
 sentry-sdk==1.40.3
 
diff --git a/tests/components/sensoterra/__init__.py b/tests/components/sensoterra/__init__.py
new file mode 100644
index 00000000000..f70fede6c09
--- /dev/null
+++ b/tests/components/sensoterra/__init__.py
@@ -0,0 +1 @@
+"""Tests for the Sensoterra integration."""
diff --git a/tests/components/sensoterra/conftest.py b/tests/components/sensoterra/conftest.py
new file mode 100644
index 00000000000..2e19a96543a
--- /dev/null
+++ b/tests/components/sensoterra/conftest.py
@@ -0,0 +1,32 @@
+"""Common fixtures for the Sensoterra tests."""
+
+from collections.abc import Generator
+from unittest.mock import AsyncMock, patch
+
+import pytest
+
+from .const import API_TOKEN
+
+
+@pytest.fixture
+def mock_setup_entry() -> Generator[AsyncMock, None, None]:
+    """Override async_setup_entry."""
+    with patch(
+        "homeassistant.components.sensoterra.async_setup_entry",
+        return_value=True,
+    ) as mock_entry:
+        yield mock_entry
+
+
+@pytest.fixture
+def mock_customer_api_client() -> Generator[AsyncMock, None, None]:
+    """Override async_setup_entry."""
+    with (
+        patch(
+            "homeassistant.components.sensoterra.config_flow.CustomerApi",
+            autospec=True,
+        ) as mock_client,
+    ):
+        mock = mock_client.return_value
+        mock.get_token.return_value = API_TOKEN
+        yield mock
diff --git a/tests/components/sensoterra/const.py b/tests/components/sensoterra/const.py
new file mode 100644
index 00000000000..c85d675f9d7
--- /dev/null
+++ b/tests/components/sensoterra/const.py
@@ -0,0 +1,7 @@
+"""Constants for the test Sensoterra integration."""
+
+API_TOKEN = "eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJleHAiOjE4NTYzMDQwMDAsInN1YiI6IjM5In0.yxdXXlc1DqopqDRHfAVzFrMqZJl6nKLpu1dV8alHvVY"
+API_EMAIL = "test-email@example.com"
+API_PASSWORD = "test-password"
+HASS_UUID = "phony-unique-id"
+SOURCE_USER = "user"
diff --git a/tests/components/sensoterra/test_config_flow.py b/tests/components/sensoterra/test_config_flow.py
new file mode 100644
index 00000000000..23c57261741
--- /dev/null
+++ b/tests/components/sensoterra/test_config_flow.py
@@ -0,0 +1,123 @@
+"""Test the Sensoterra config flow."""
+
+from unittest.mock import AsyncMock
+
+from jwt import DecodeError
+import pytest
+from sensoterra.customerapi import InvalidAuth as StInvalidAuth, Timeout as StTimeout
+
+from homeassistant.components.sensoterra.const import DOMAIN
+from homeassistant.const import CONF_EMAIL, CONF_PASSWORD, CONF_TOKEN
+from homeassistant.core import HomeAssistant
+from homeassistant.data_entry_flow import FlowResultType
+
+from .const import API_EMAIL, API_PASSWORD, API_TOKEN, HASS_UUID, SOURCE_USER
+
+from tests.common import MockConfigEntry
+
+
+async def test_full_flow(
+    hass: HomeAssistant,
+    mock_customer_api_client: AsyncMock,
+    mock_setup_entry: AsyncMock,
+) -> None:
+    """Test we can finish a config flow."""
+    result = await hass.config_entries.flow.async_init(
+        DOMAIN, context={"source": SOURCE_USER}
+    )
+    assert result["type"] is FlowResultType.FORM
+    assert result["errors"] == {}
+
+    hass.data["core.uuid"] = HASS_UUID
+    result = await hass.config_entries.flow.async_configure(
+        result["flow_id"],
+        {
+            CONF_EMAIL: API_EMAIL,
+            CONF_PASSWORD: API_PASSWORD,
+        },
+    )
+    assert result["type"] is FlowResultType.CREATE_ENTRY
+    assert result["title"] == API_EMAIL
+    assert result["data"] == {
+        CONF_TOKEN: API_TOKEN,
+        CONF_EMAIL: API_EMAIL,
+    }
+
+    assert len(mock_customer_api_client.mock_calls) == 1
+
+
+async def test_form_unique_id(
+    hass: HomeAssistant, mock_customer_api_client: AsyncMock
+) -> None:
+    """Test we get the form."""
+    result = await hass.config_entries.flow.async_init(
+        DOMAIN, context={"source": SOURCE_USER}
+    )
+    hass.data["core.uuid"] = HASS_UUID
+
+    entry = MockConfigEntry(unique_id="39", domain=DOMAIN)
+    entry.add_to_hass(hass)
+
+    result = await hass.config_entries.flow.async_configure(
+        result["flow_id"],
+        {
+            CONF_EMAIL: API_EMAIL,
+            CONF_PASSWORD: API_PASSWORD,
+        },
+    )
+    assert result["type"] is FlowResultType.ABORT
+    assert result["reason"] == "already_configured"
+
+    assert len(mock_customer_api_client.mock_calls) == 1
+
+
+@pytest.mark.parametrize(
+    ("exception", "error"),
+    [
+        (StTimeout, "cannot_connect"),
+        (StInvalidAuth("Invalid credentials"), "invalid_auth"),
+        (DecodeError("Bad API token"), "invalid_access_token"),
+    ],
+)
+async def test_form_exceptions(
+    hass: HomeAssistant,
+    mock_setup_entry: AsyncMock,
+    mock_customer_api_client: AsyncMock,
+    exception: Exception,
+    error: str,
+) -> None:
+    """Test we handle config form exceptions."""
+    result = await hass.config_entries.flow.async_init(
+        DOMAIN, context={"source": SOURCE_USER}
+    )
+    hass.data["core.uuid"] = HASS_UUID
+
+    mock_customer_api_client.get_token.side_effect = exception
+
+    result = await hass.config_entries.flow.async_configure(
+        result["flow_id"],
+        {
+            CONF_EMAIL: API_EMAIL,
+            CONF_PASSWORD: API_PASSWORD,
+        },
+    )
+    assert result["errors"] == {"base": error}
+    assert result["type"] is FlowResultType.FORM
+
+    mock_customer_api_client.get_token.side_effect = None
+
+    result = await hass.config_entries.flow.async_configure(
+        result["flow_id"],
+        {
+            CONF_EMAIL: API_EMAIL,
+            CONF_PASSWORD: API_PASSWORD,
+        },
+    )
+
+    assert result["type"] is FlowResultType.CREATE_ENTRY
+    assert result["title"] == API_EMAIL
+    assert result["data"] == {
+        CONF_TOKEN: API_TOKEN,
+        CONF_EMAIL: API_EMAIL,
+    }
+    assert len(mock_customer_api_client.mock_calls) == 2