diff --git a/README.md b/README.md
index 5ce0c40..970e2f3 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,7 @@ Uses [OpenAI's GPT-3.5](https://platform.openai.com/docs/models/gpt-3-5) `text-d
 
 - [Setup](#setup)
 - [API](#api)
-  - [`getEmojis(text: string, count?: number | undefined): string[]`](#getemojistext-string-count-number--undefined-string)
+  - [`getEmojis()`](#getemojis)
 - [Usage](#usage)
 
 ## Setup
@@ -32,9 +32,15 @@ export OPENAI_API_KEY=sk-...
 
 ## API
 
-### `getEmojis(text: string, count?: number | undefined): string[]`
+### `getEmojis()`
 
-Returns an array of emojis that best represent the given text.
+| Parameter | Type | Description |
+| --- | --- | --- |
+| `text` | `string` | The text to get emojis for. |
+| `options` | `object` | Optional options for the function. |
+| `options.count` | `number` | The number of emojis to represent the text with. |
+
+Returns a string array of emojis that best represent the given text.
 
 Choose how many emojis to use, or let the AI decide how many are needed.
 
@@ -47,7 +53,7 @@ Specify that you want only one emoji:
 ```js
 import { getEmojis } from 'gpt-emoji';
 
-getEmojis('japanese cherry blossom festival', 1); // ['🌸']
+getEmojis('japanese cherry blossom festival', { count: 1 }); // ['🌸']
 ```
 
 Allow the AI to decide how many emojis to use:
diff --git a/lib/index.ts b/lib/index.ts
index 788e9a8..4f76dbf 100644
--- a/lib/index.ts
+++ b/lib/index.ts
@@ -10,16 +10,18 @@ const openai = new OpenAIApi(configuration);
  * Generates the emoji(s) that best represent a given string.
  * This is non-deterministic.
  * @param text the text/concept to generate emoji(s) for
- * @param count the number of emoji(s) to generate. If omitted, the AI will decide how many emojis are needed to best represent the string.
+ * @param options an object containing optional parameters
+ * @param options.count the number of emoji(s) to represent the text with. If omitted, the AI will decide how many emojis are needed to best represent the string.
  * @returns an array of emojis
  */
 export async function getEmojis(
   text: string,
-  count?: number | undefined
+  options: { count?: number } = {}
 ): Promise<string[]> {
   if (typeof text !== 'string' || text.length === 0) {
     throw new Error('text parameter must be a non-empty string');
   }
+  const count = options.count;
   if (count && (typeof count !== 'number' || count <= 0)) {
     throw new Error('optional count parameter must be a positive number');
   }
diff --git a/test/lib/index-test.ts b/test/lib/index-test.ts
index 96de85d..875f17a 100644
--- a/test/lib/index-test.ts
+++ b/test/lib/index-test.ts
@@ -49,7 +49,9 @@ describe('getEmojis', () => {
       .stub(OpenAIApi.prototype, 'createCompletion')
       .resolves(generateCreateCompletionResponse('❗'));
 
-    const result = await getEmojis('japanese cherry blossom festival', 1);
+    const result = await getEmojis('japanese cherry blossom festival', {
+      count: 1,
+    });
 
     expect(Array.isArray(result)).toBe(true);
     expect(result.length).toStrictEqual(1);
@@ -63,7 +65,9 @@ describe('getEmojis', () => {
       .stub(OpenAIApi.prototype, 'createCompletion')
       .resolves(generateCreateCompletionResponse('❗,😈'));
 
-    const result = await getEmojis('japanese cherry blossom festival', 2);
+    const result = await getEmojis('japanese cherry blossom festival', {
+      count: 2,
+    });
 
     expect(Array.isArray(result)).toBe(true);
     expect(result.length).toStrictEqual(2);
@@ -77,7 +81,7 @@ describe('getEmojis', () => {
       .stub(OpenAIApi.prototype, 'createCompletion')
       .resolves(generateCreateCompletionResponse(undefined));
 
-    const result = await getEmojis('japanese cherry blossom festival', 2);
+    const result = await getEmojis('japanese cherry blossom festival');
 
     expect(Array.isArray(result)).toBe(true);
     expect(result.length).toStrictEqual(0);
@@ -95,7 +99,7 @@ describe('getEmojis', () => {
 
   it('throws when count is negative', async () => {
     await expect(() =>
-      getEmojis('foo', -1)
+      getEmojis('foo', { count: -1 })
     ).rejects.toThrowErrorMatchingInlineSnapshot(
       '"optional count parameter must be a positive number"'
     );