diff --git a/src/components/Typeahead/Typeahead.tsx b/src/components/Typeahead/Typeahead.tsx
index b737de49..9dc9d436 100644
--- a/src/components/Typeahead/Typeahead.tsx
+++ b/src/components/Typeahead/Typeahead.tsx
@@ -36,7 +36,7 @@ export interface RenderMenuProps extends MenuProps {
   renderMenuItemChildren?: RenderMenuItemChildren;
 }
 
-export interface TypeaheadComponentProps extends Partial<TypeaheadProps> {
+export interface TypeaheadComponentProps extends TypeaheadProps {
   align?: Align;
   className?: string;
   /**
diff --git a/src/core/useTypeahead.ts b/src/core/useTypeahead.ts
index a6e66ec2..3fe8a1c2 100644
--- a/src/core/useTypeahead.ts
+++ b/src/core/useTypeahead.ts
@@ -22,6 +22,7 @@ import useValidateProps from './useValidateProps';
 
 import {
   FilterByCallback,
+  InternalProps,
   Option,
   SelectEvent,
   TypeaheadProps,
@@ -62,6 +63,7 @@ const defaultProps = {
   filterBy: [],
   highlightOnlyResult: false,
   ignoreDiacritics: true,
+  inputProps: {},
   labelKey: DEFAULT_LABELKEY,
   maxResults: 100,
   minLength: 0,
@@ -138,7 +140,7 @@ function useOnMenuToggle(
       isInitialRender.current = false;
       return;
     }
-    onMenuToggle(isMenuShown);
+    onMenuToggle?.(isMenuShown);
   }, [isMenuShown, onMenuToggle]);
 }
 
@@ -151,14 +153,8 @@ export interface TypeaheadRef {
   toggleMenu: () => void;
 }
 
-interface Props extends Partial<TypeaheadProps> {
-  options: Option[];
-}
-
-type InternalProps = Omit<TypeaheadProps, 'onChange'>;
-
 function useTypeahead(
-  { onChange, ...partialProps }: Props,
+  { onChange, ...partialProps }: TypeaheadProps,
   ref?: Ref<TypeaheadRef>
 ) {
   const props: InternalProps = {
diff --git a/src/core/useValidateProps.ts b/src/core/useValidateProps.ts
index 5adf22db..109473dc 100644
--- a/src/core/useValidateProps.ts
+++ b/src/core/useValidateProps.ts
@@ -28,7 +28,7 @@ function useValidateProps({
   multiple,
   onChange,
   selected,
-}: Partial<TypeaheadProps>) {
+}: TypeaheadProps) {
   useEffect(() => {
     const name = defaultSelected.length ? 'defaultSelected' : 'selected';
 
diff --git a/src/types.ts b/src/types.ts
index c1635ad5..eb38c7a1 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -74,39 +74,39 @@ export interface TypeaheadProps {
    * If a function is specified, it will be used to determine whether a custom
    * option should be included. The return value should be true or false.
    */
-  allowNew: AllowNew;
+  allowNew?: AllowNew;
   /**
    * Autofocus the input when the component initially mounts.
    */
-  autoFocus: boolean;
+  autoFocus?: boolean;
   /**
    * Whether or not filtering should be case-sensitive.
    */
-  caseSensitive: boolean;
+  caseSensitive?: boolean;
   children?: TypeaheadChildren;
   /**
    * The initial value displayed in the text input.
    */
-  defaultInputValue: string;
+  defaultInputValue?: string;
   /**
    * Whether or not the menu is displayed upon initial render.
    */
-  defaultOpen: boolean;
+  defaultOpen?: boolean;
   /**
    * Specify any pre-selected options. Use only if you want the component to
    * be uncontrolled.
    */
-  defaultSelected: Option[];
+  defaultSelected?: Option[];
   /**
    * Either an array of fields in `option` to search, or a custom filtering
    * callback.
    */
-  filterBy: string[] | FilterByCallback;
+  filterBy?: string[] | FilterByCallback;
   /**
    * Highlights the menu item if there is only one result and allows selecting
    * that item by hitting enter. Does not work with `allowNew`.
    */
-  highlightOnlyResult: boolean;
+  highlightOnlyResult?: boolean;
   /**
    * An html id attribute, required for assistive technologies such as screen
    * readers.
@@ -115,57 +115,57 @@ export interface TypeaheadProps {
   /**
    * Whether the filter should ignore accents and other diacritical marks.
    */
-  ignoreDiacritics: boolean;
+  ignoreDiacritics?: boolean;
   inputProps?: InputProps;
   /**
    * Specify the option key to use for display or a function returning the
    * display string. By default, the selector will use the `label` key.
    */
-  labelKey: LabelKey;
+  labelKey?: LabelKey;
   /**
    * Maximum number of results to display by default. Mostly done for
    * performance reasons so as not to render too many DOM nodes in the case of
    * large data sets.
    */
-  maxResults: number;
+  maxResults?: number;
   /**
    * Number of input characters that must be entered before showing results.
    */
-  minLength: number;
+  minLength?: number;
   /**
    * Whether or not multiple selections are allowed.
    */
-  multiple: boolean;
+  multiple?: boolean;
   /**
    * Invoked when the input is blurred. Receives an event.
    */
-  onBlur: FocusEventHandler<HTMLInputElement>;
+  onBlur?: FocusEventHandler<HTMLInputElement>;
   /**
    * Invoked whenever items are added or removed. Receives an array of the
    * selected options.
    */
-  onChange: (selected: Option[]) => void;
+  onChange?: (selected: Option[]) => void;
   /**
    * Invoked when the input is focused. Receives an event.
    */
-  onFocus: FocusEventHandler<HTMLInputElement>;
+  onFocus?: FocusEventHandler<HTMLInputElement>;
   /**
    * Invoked when the input value changes. Receives the string value of the
    * input.
    */
-  onInputChange: (text: string, event: ChangeEvent<HTMLInputElement>) => void;
+  onInputChange?: (text: string, event: ChangeEvent<HTMLInputElement>) => void;
   /**
    * Invoked when a key is pressed. Receives an event.
    */
-  onKeyDown: KeyboardEventHandler<HTMLInputElement>;
+  onKeyDown?: KeyboardEventHandler<HTMLInputElement>;
   /**
    * Invoked when menu visibility changes.
    */
-  onMenuToggle: (isOpen: boolean) => void;
+  onMenuToggle?: (isOpen: boolean) => void;
   /**
    * Invoked when the pagination menu item is clicked. Receives an event.
    */
-  onPaginate: (event: SelectEvent<HTMLElement>, shownResults: number) => void;
+  onPaginate?: (event: SelectEvent<HTMLElement>, shownResults: number) => void;
   /**
    * Whether or not the menu should be displayed. `undefined` allows the
    * component to control visibility, while `true` and `false` show and hide
@@ -181,7 +181,7 @@ export interface TypeaheadProps {
    * Give user the ability to display additional results if the number of
    * results exceeds `maxResults`.
    */
-  paginate: boolean;
+  paginate?: boolean;
   /**
    * The selected option(s) displayed in the input. Use this prop if you want
    * to control the component via its parent.
@@ -190,6 +190,18 @@ export interface TypeaheadProps {
   selectHint?: SelectHint;
 }
 
+type OptionalProps<T, K extends keyof T> = Partial<Pick<T, K>> &
+  Required<Omit<T, K>>;
+
+/**
+ * Most props used internally become "required" since they're given default
+ * values.
+ */
+export type InternalProps = OptionalProps<
+  Required<Omit<TypeaheadProps, 'onChange'>>,
+  'children' | 'id' | 'open' | 'selected' | 'selectHint'
+>;
+
 export interface TypeaheadState {
   activeIndex: number;
   activeItem?: Option;
@@ -201,8 +213,7 @@ export interface TypeaheadState {
   text: string;
 }
 
-export type TypeaheadPropsAndState = Omit<TypeaheadProps, 'onChange'> &
-  TypeaheadState;
+export type TypeaheadPropsAndState = InternalProps & TypeaheadState;
 
 export interface TypeaheadChildProps {
   getInputProps: (