diff --git a/src/shared/schema/bi/types/forms.ts b/src/shared/schema/bi/types/forms.ts
index ad956b886d..20ef4f8a32 100644
--- a/src/shared/schema/bi/types/forms.ts
+++ b/src/shared/schema/bi/types/forms.ts
@@ -122,6 +122,14 @@ export type HiddenItem = BaseItem & {
     defaultValue?: ConnectionData[keyof ConnectionData];
 };
 
+export type KeyValueItem = BaseItem & {
+    id: 'key_value';
+    keys: SelectProps['options'];
+    keySelectProps?: Partial<SelectProps>;
+    valueInputProps?: Partial<TextInputProps>;
+    secret?: boolean;
+};
+
 export type ConnectorFormItem =
     | LabelItem
     | InputItem
@@ -133,7 +141,8 @@ export type ConnectorFormItem =
     | PlainTextItem
     | DescriptionItem
     | FileInputItem
-    | HiddenItem;
+    | HiddenItem
+    | KeyValueItem;
 
 export type CustomizableRow = {
     items: ConnectorFormItem[];
diff --git a/src/shared/types/connections.ts b/src/shared/types/connections.ts
index 3ea390c128..ad4c6b6ec5 100644
--- a/src/shared/types/connections.ts
+++ b/src/shared/types/connections.ts
@@ -2,7 +2,7 @@ import type {ConnectionQueryTypeValues} from '../constants';
 
 export type ConnectionData = Record<
     string,
-    string | number | boolean | unknown[] | null | undefined | ConnectionOptions
+    string | number | boolean | unknown[] | null | undefined | Record<string, unknown>
 >;
 
 export type ConnectionOptions = {
diff --git a/src/ui/units/connections/components/ConnectorForm/FormRow/FormItem.tsx b/src/ui/units/connections/components/ConnectorForm/FormRow/FormItem.tsx
index 8cdf5705af..9e9ba91e97 100644
--- a/src/ui/units/connections/components/ConnectorForm/FormRow/FormItem.tsx
+++ b/src/ui/units/connections/components/ConnectorForm/FormRow/FormItem.tsx
@@ -9,6 +9,7 @@ import {
     Description,
     FileInput,
     Input,
+    KeyValue,
     Label,
     PlainText,
     RadioButton,
@@ -82,6 +83,10 @@ export const FormItem = ({item, readonly}: {item: ConnectorFormItem; readonly?:
         case 'hidden': {
             return null;
         }
+        case 'key_value': {
+            const {id: _id, ...itemProps} = item;
+            return <KeyValue {...itemProps} />;
+        }
         default: {
             logger.logError(`FormItem (conn): unknown item id "${(item as ConnectorFormItem).id}"`);
             return null;
diff --git a/src/ui/units/connections/components/ConnectorForm/components/KeyValue/KeyValue.scss b/src/ui/units/connections/components/ConnectorForm/components/KeyValue/KeyValue.scss
new file mode 100644
index 0000000000..06fe593cdf
--- /dev/null
+++ b/src/ui/units/connections/components/ConnectorForm/components/KeyValue/KeyValue.scss
@@ -0,0 +1,25 @@
+.conn-form-key-value {
+    display: flex;
+    flex-direction: column;
+    row-gap: 10px;
+    width: 100%;
+
+    &__add-button {
+        width: fit-content;
+    }
+
+    &__entry {
+        display: flex;
+        column-gap: 10px;
+    }
+
+    &__key-select {
+        flex-shrink: 0;
+        max-width: 40%;
+    }
+
+    &__value-input {
+        flex-shrink: 1;
+        flex-basis: auto;
+    }
+}
diff --git a/src/ui/units/connections/components/ConnectorForm/components/KeyValue/KeyValue.tsx b/src/ui/units/connections/components/ConnectorForm/components/KeyValue/KeyValue.tsx
new file mode 100644
index 0000000000..4c8f5dbb9d
--- /dev/null
+++ b/src/ui/units/connections/components/ConnectorForm/components/KeyValue/KeyValue.tsx
@@ -0,0 +1,110 @@
+import React from 'react';
+
+import {Plus, Xmark} from '@gravity-ui/icons';
+import {Button, Icon, PasswordInput, Select, TextInput} from '@gravity-ui/uikit';
+import block from 'bem-cn-lite';
+import type {KeyValueItem} from 'shared/schema/types';
+
+import {i18n10647} from '../../../../constants';
+
+import {useKeyValueProps, useKeyValueState} from './hooks';
+import type {KeyValueEntry, KeyValueProps} from './types';
+
+import './KeyValue.scss';
+
+const b = block('conn-form-key-value');
+const ICON_SIZE = 18;
+
+type KeyValueEntryViewProps = Omit<KeyValueItem, 'id' | 'name'> & {
+    index: number;
+    entry: KeyValueEntry;
+    onDelete: (index: number) => void;
+    onUpdate: (index: number, updates: Partial<KeyValueEntry>) => void;
+};
+
+const KeyValueEntryView = (props: KeyValueEntryViewProps) => {
+    const {index, keys, entry, keySelectProps, valueInputProps, secret, onDelete, onUpdate} = props;
+    let placeholder = valueInputProps?.placeholder;
+
+    if (entry.initial && secret && !placeholder) {
+        placeholder = i18n10647['label_secret-value'];
+    }
+
+    if (entry.value === null) {
+        return null;
+    }
+
+    return (
+        <div className={b('entry')}>
+            <Select
+                {...keySelectProps}
+                className={b('key-select')}
+                options={keys}
+                value={[entry.key]}
+                onUpdate={(value) => {
+                    onUpdate(index, {key: value[0]});
+                }}
+                validationState={entry.error ? 'invalid' : undefined}
+                errorMessage={i18n10647['label_duplicated-keys']}
+            />
+            {secret ? (
+                <PasswordInput
+                    {...valueInputProps}
+                    className={b('value-input')}
+                    value={entry.value}
+                    hideCopyButton={true}
+                    placeholder={placeholder}
+                    onUpdate={(value) => {
+                        onUpdate(index, {value});
+                    }}
+                />
+            ) : (
+                <TextInput
+                    {...valueInputProps}
+                    className={b('value-input')}
+                    value={entry.value}
+                    onUpdate={(value) => {
+                        onUpdate(index, {value});
+                    }}
+                />
+            )}
+            <Button view="flat" onClick={() => onDelete(index)}>
+                <Icon data={Xmark} size={ICON_SIZE} />
+            </Button>
+        </div>
+    );
+};
+
+export const KeyValue = (props: KeyValueProps) => {
+    const {keys = [], keySelectProps, valueInputProps, secret} = props;
+    const {value, updateForm} = useKeyValueProps(props);
+    const {keyValues, handleAddKeyValue, handleUpdateKeyValue, handleDeleteKeyValue} =
+        useKeyValueState({
+            value,
+            updateForm,
+        });
+
+    return (
+        <div className={b()}>
+            {keyValues.map((item, index) => {
+                return (
+                    <KeyValueEntryView
+                        key={`${item.key}-${index}`}
+                        index={index}
+                        keys={keys}
+                        keySelectProps={keySelectProps}
+                        valueInputProps={valueInputProps}
+                        entry={item}
+                        secret={secret}
+                        onDelete={handleDeleteKeyValue}
+                        onUpdate={handleUpdateKeyValue}
+                    />
+                );
+            })}
+            <Button className={b('add-button')} onClick={handleAddKeyValue}>
+                <Icon data={Plus} size={ICON_SIZE} />
+                {i18n10647['button_add']}
+            </Button>
+        </div>
+    );
+};
diff --git a/src/ui/units/connections/components/ConnectorForm/components/KeyValue/hooks.ts b/src/ui/units/connections/components/ConnectorForm/components/KeyValue/hooks.ts
new file mode 100644
index 0000000000..520a88a25f
--- /dev/null
+++ b/src/ui/units/connections/components/ConnectorForm/components/KeyValue/hooks.ts
@@ -0,0 +1,139 @@
+import React from 'react';
+
+import {batch, useDispatch, useSelector} from 'react-redux';
+
+import {ValidationErrorType} from '../../../../constants';
+import {
+    changeForm,
+    changeInnerForm,
+    formSelector,
+    innerFormSelector,
+    setValidationErrors,
+    validationErrorsSelector,
+} from '../../../../store';
+import type {ValidationError} from '../../../../typings';
+import {getValidationError} from '../../../../utils';
+
+import type {KeyValueEntry, KeyValueProps} from './types';
+
+type KeyValueResult = {
+    entries: Record<string, KeyValueEntry['value']>;
+};
+
+const initialEntriesToKeyValues = (entries: KeyValueResult['entries'] = {}): KeyValueEntry[] => {
+    return Object.entries(entries).map(([key, value]) => {
+        return {key, value, initial: true};
+    });
+};
+
+const keyValuesToEntries = (keyValues: KeyValueEntry[] = []): KeyValueResult['entries'] => {
+    return keyValues.reduce<KeyValueResult['entries']>(
+        (acc, {key, value, error, initial, touched}) => {
+            if (key && !error && (!initial || (initial && touched))) {
+                acc[key] = value;
+            }
+            return acc;
+        },
+        {},
+    );
+};
+
+const getValidatedKeyValues = (keyValues: KeyValueEntry[]) => {
+    return keyValues.map((item, index) => {
+        const resultItem = {...item};
+        const hasDuplicatedKey = keyValues.some(
+            ({key}, innerIndex) => innerIndex !== index && key && key === item.key,
+        );
+        if (hasDuplicatedKey) {
+            resultItem.error = 'duplicated-key';
+        } else {
+            resultItem.error = undefined;
+        }
+        return resultItem;
+    });
+};
+
+export function useKeyValueProps(props: KeyValueProps) {
+    const {name, inner, keys, keySelectProps, valueInputProps, secret} = props;
+    const dispatch = useDispatch();
+    const form = useSelector(formSelector);
+    const innerForm = useSelector(innerFormSelector);
+    const validationErrors = useSelector(validationErrorsSelector);
+    const value = (inner ? innerForm[name] : form[name]) as KeyValueResult | undefined;
+    const error = getValidationError(name, validationErrors);
+
+    const updateForm = (nextKeyValues: KeyValueEntry[]) => {
+        const validatedNextKeyValues = getValidatedKeyValues(nextKeyValues);
+        const formUpdates: KeyValueResult = {
+            entries: keyValuesToEntries(validatedNextKeyValues),
+        };
+
+        batch(() => {
+            if (inner) {
+                dispatch(changeInnerForm({[name]: formUpdates}));
+            } else {
+                dispatch(changeForm({[name]: formUpdates}));
+            }
+
+            const hasErrors = validatedNextKeyValues.some((keyValue) => Boolean(keyValue.error));
+
+            if (hasErrors) {
+                const errors: ValidationError[] = [
+                    ...validationErrors,
+                    {type: ValidationErrorType.DuplicatedKey, name},
+                ];
+                dispatch(setValidationErrors({errors}));
+            } else if (error) {
+                const errors = validationErrors.filter((err) => err.name !== error.name);
+                dispatch(setValidationErrors({errors}));
+            }
+        });
+    };
+
+    return {value, keys, keySelectProps, valueInputProps, secret, updateForm};
+}
+
+export function useKeyValueState(props: {
+    value: KeyValueResult | undefined;
+    updateForm: (nextKeyValues: KeyValueEntry[]) => void;
+}) {
+    const {value, updateForm} = props;
+    const [keyValues, setKeyValues] = React.useState<KeyValueEntry[]>(
+        initialEntriesToKeyValues(value?.entries),
+    );
+
+    const updateKeyValues = (nextKeyValues: KeyValueEntry[]) => {
+        const validatedNextKeyValues = getValidatedKeyValues(nextKeyValues);
+        updateForm(validatedNextKeyValues);
+        setKeyValues(validatedNextKeyValues);
+    };
+
+    const handleAddKeyValue = () => {
+        updateKeyValues([...keyValues, {key: '', value: ''}]);
+    };
+
+    const handleUpdateKeyValue = (index: number, updates: Partial<KeyValueEntry>) => {
+        const nextKeyValues = [...keyValues];
+        const updatedKeyValue = nextKeyValues[index];
+        nextKeyValues[index] = {
+            ...updatedKeyValue,
+            ...updates,
+            touched: true,
+        };
+        updateKeyValues(nextKeyValues);
+    };
+
+    const handleDeleteKeyValue = (index: number) => {
+        const deletedItem = keyValues[index];
+        const nextKeyValues: KeyValueEntry[] = deletedItem.initial
+            ? [
+                  ...keyValues.slice(0, index),
+                  {key: deletedItem.key, value: null},
+                  ...keyValues.slice(index + 1),
+              ]
+            : [...keyValues.slice(0, index), ...keyValues.slice(index + 1)];
+        updateKeyValues(nextKeyValues);
+    };
+
+    return {keyValues, handleAddKeyValue, handleUpdateKeyValue, handleDeleteKeyValue};
+}
diff --git a/src/ui/units/connections/components/ConnectorForm/components/KeyValue/types.ts b/src/ui/units/connections/components/ConnectorForm/components/KeyValue/types.ts
new file mode 100644
index 0000000000..881d283599
--- /dev/null
+++ b/src/ui/units/connections/components/ConnectorForm/components/KeyValue/types.ts
@@ -0,0 +1,11 @@
+import type {KeyValueItem} from 'shared/schema/types';
+
+export type KeyValueProps = Omit<KeyValueItem, 'id'>;
+
+export type KeyValueEntry = {
+    key: string;
+    value: string | null;
+    error?: 'duplicated-key';
+    initial?: boolean;
+    touched?: boolean;
+};
diff --git a/src/ui/units/connections/components/ConnectorForm/components/Label/Label.scss b/src/ui/units/connections/components/ConnectorForm/components/Label/Label.scss
index 866792eb15..dc2cb90dfe 100644
--- a/src/ui/units/connections/components/ConnectorForm/components/Label/Label.scss
+++ b/src/ui/units/connections/components/ConnectorForm/components/Label/Label.scss
@@ -2,7 +2,7 @@
     display: inline-flex;
     align-items: center;
     width: 152px;
-    line-height: 16px;
+    line-height: 28px;
 
     &__inner-content {
         width: inherit;
diff --git a/src/ui/units/connections/components/ConnectorForm/components/index.ts b/src/ui/units/connections/components/ConnectorForm/components/index.ts
index ffcb0ec65d..62d6d179c2 100644
--- a/src/ui/units/connections/components/ConnectorForm/components/index.ts
+++ b/src/ui/units/connections/components/ConnectorForm/components/index.ts
@@ -3,6 +3,7 @@ export * from './Datepicker/Datepicker';
 export * from './Description/Description';
 export * from './Input/Input';
 export * from './FileInput/FileInput';
+export * from './KeyValue/KeyValue';
 export * from './Label/Label';
 export * from './MarkdownItem/MarkdownItem';
 export * from './PlainText/PlainText';
diff --git a/src/ui/units/connections/constants/index.ts b/src/ui/units/connections/constants/index.ts
index 36f5dbe6c5..731cf11228 100644
--- a/src/ui/units/connections/constants/index.ts
+++ b/src/ui/units/connections/constants/index.ts
@@ -10,3 +10,10 @@ export const ConverterErrorCode = {
     TOO_MANY_COLUMNS: 'ERR.FILE.TOO_MANY_COLUMNS',
     UNSUPPORTED_DOCUMENT: 'ERR.FILE.UNSUPPORTED_DOCUMENT',
 };
+
+// TODO: CHARTS-10647 i18n
+export const i18n10647 = {
+    button_add: 'Add',
+    'label_duplicated-keys': 'Duplicated keys',
+    'label_secret-value': 'Secret value',
+};
diff --git a/src/ui/units/connections/constants/validation.ts b/src/ui/units/connections/constants/validation.ts
index 6b1609efd9..6ced4e68c5 100644
--- a/src/ui/units/connections/constants/validation.ts
+++ b/src/ui/units/connections/constants/validation.ts
@@ -1,4 +1,5 @@
 export enum ValidationErrorType {
     Required = 'required',
     Length = 'length',
+    DuplicatedKey = 'duplicated-key',
 }
diff --git a/src/ui/units/connections/utils/validation.ts b/src/ui/units/connections/utils/validation.ts
index 5e3e7ce6b0..0858cd685b 100644
--- a/src/ui/units/connections/utils/validation.ts
+++ b/src/ui/units/connections/utils/validation.ts
@@ -1,6 +1,6 @@
 import {I18n} from 'i18n';
 
-import {ValidationErrorType} from '../constants';
+import {ValidationErrorType, i18n10647} from '../constants';
 import type {ValidationError} from '../typings';
 
 const i18n = I18n.keyset('connections.form');
@@ -17,6 +17,9 @@ export const getErrorMessage = (type?: ValidationErrorType) => {
         case ValidationErrorType.Length: {
             return i18n('label_error-length-field');
         }
+        case ValidationErrorType.DuplicatedKey: {
+            return i18n10647['label_duplicated-keys'];
+        }
         default: {
             return '';
         }