Overview
The Kakao API provides login, messaging, social sharing, and map services for the KakaoTalk platform, which is dominant in South Korea. It uses OAuth 2.0 for user authentication and lets you build apps that send messages, access profile data, and interact with Kakao services. You will need to register your app at developers.kakao.com to get an API key.
Beginner Tip
Kakao has separate keys for different services — use the REST API key (not the JavaScript key) for server-side calls. Start with the token info endpoint to verify your access token is valid before making other API calls.
Available Data
Example Response
{
"status": "success",
"data": {
"result": "Data from Kakao",
"description": "Kakao Login, Share on KakaoTalk, Social Plugins and more",
"timestamp": "2025-01-15T10:00:00Z"
}
} Field Reference
id Unique numeric ID for the Kakao user expires_in Seconds remaining until the access token expires app_id The Kakao app ID associated with the token kakao_account.profile.nickname The user display name on KakaoTalk kakao_account.email The user Kakao account email address if permission was granted Implementation Example
const url = "https://developers.kakao.com/";
// Replace headers or query params with the values required by this API.
const response = await fetch(url, {
headers: {
"Authorization": "Bearer YOUR_API_KEY"
}
});
if (!response.ok) throw new Error(`Request failed: ${response.status}`);
const data = await response.json();
console.log(data); What Can You Build?
Note: These code examples are AI-generated and unverified. Always refer to the official API documentation for accurate usage.
Common Errors & Troubleshooting
Matrix Score Breakdown
Partially tested on Apr 5, 2026
Technical Specifications
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