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Kakao

Kakao Corp. is the South Korean technology group behind KakaoTalk — the dominant mobile messenger in Korea — along with KakaoPay (payments), Kakao Bank (digital bank), KakaoMobility (taxi, navigation, parking), KakaoMap, Kakao Games, Kakao Entertainment (Melon, Kakao Webtoon, Daum), and KakaoCloud. Kakao runs its public developer platform at developers.kakao.com, exposing REST APIs for Kakao Login (OAuth 2.0), Kakao Sync, KakaoTalk Share / Message / Friend Picker / Channel, KakaoStory, KakaoNavi, KakaoMap, Local search, Daum Search, KakaoPay (PG / online easy-pay), and KoGPT generative AI. KakaoMobility and Kakao Enterprise / KakaoCloud each operate additional partner- facing developer surfaces.

agent ready

Limited machine-readable signal and partial portal coverage — documentation a human can read, but little a machine or agent can consume without scraping.

Kin Score

API Evangelist profiles Kakao the way a machine reads it — 28 machine-readable artifacts across 21 APIs, pulled from the provider's own public surface and indexed so a developer, an analyst, or an AI agent can evaluate it against every other provider on the network.

Every provider in the network is reduced to the same set of machine-readable artifacts — OpenAPI contracts, event specifications, GraphQL schemas, runnable collections, pricing and rate-limit signals, security posture, OAuth scopes, and the agent surfaces (MCP servers and skills) that let software drive the API on its own. We profile them because the interface is the part of a company you can actually inspect: it is a truer signal of what a provider does than any marketing page. From those artifacts we compute the Kin Score — Kakao scores 37.1/100 (thin), with a separate agent-readiness read of 48/100 (agent ready). The full breakdown is below, followed by every artifact we hold — each card links through to its machine-readable definition on apis.io.

Kin Score

This is the API Evangelist rating — a single, repeatable read computed from the artifacts on this page. Green fill is points earned; the red track is points possible, so every bar shows earned-versus-possible at a glance.

Kin Score Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5
Composite quality — 37.1/100 · thin
Contract Quality 13.7 / 25
Developer Ergonomics 6.1 / 20
Commercial Clarity 5.8 / 20
Operational Transparency 3.4 / 13
Governance 0.0 / 12
Discoverability 10.0 / 10
Regulatory · Payments 3.9 / 15
Agent readiness — 48/100 · agent ready
Machine-Readable Contract 18 / 18
Agentic Access Contract 15 / 15
MCP Server 0 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3

How we profile Kakao

Each block below is one kind of artifact we hold for Kakao. For each we say what it is and why it earns a place in the profile, then list every one we've indexed — capped at two rows, scroll within the panel for the rest.

APIs 21

Each API is captured as its own OpenAPI definition — every operation, parameter, and response. This is the single most useful machine-readable description of what an API does, and it's what lets us score, lint, mock, and generate against it without asking the provider for anything.

Individual APIs this provider publishes, each with its own machine-readable definition.

Kakao Login (OAuth 2.0) API

Kakao Login is Korea's most widely used social-identity provider, built on OAuth 2.0 / OpenID Connect. The API issues access and refresh tokens, returns user profile attributes ...

Kakao Sync API

Kakao Sync extends Kakao Login with a one-click signup experience that simultaneously creates an in-app account and (optionally) adds a KakaoTalk Channel friendship for Korean s...

KakaoTalk Sharing API

KakaoTalk Sharing lets external apps and websites share rich "Feed", "List", "Location", "Calendar", "Commerce", and custom-template messages into KakaoTalk chats.

KakaoTalk Message API

KakaoTalk Message sends template-based messages from a Kakao-Linked app to the authenticated user themselves or to consenting KakaoTalk friends.

KakaoTalk Channel API

KakaoTalk Channel APIs manage a brand's Channel relationship with users — including add-friend status, Alimtalk-style notification messages (delivered via Kakao's BizMessage par...

KakaoTalk Friends API

Returns the list of KakaoTalk friends who have also signed into a Kakao-Linked app, for friend-picker, invite, and social-feature experiences subject to user consent.

KakaoStory API

KakaoStory APIs let apps publish posts and read user content on Kakao's social timeline product (legacy but still supported in Korea).

Kakao Local API

Kakao Local API offers address-to-coordinate (and reverse) geocoding, keyword and category place search, and administrative-region lookup for Korean addresses and POIs.

KakaoMap Web / JavaScript SDK

KakaoMap exposes Korean tile maps, markers, overlays, static maps, and roadview / panorama services for web and mobile applications.

KakaoNavi (Driving Directions) API

KakaoNavi exposes driving directions, multi-waypoint route planning, ETA, and Future Driving directions (predictive ETA), and a native "Send to Kakao Navi" handoff for Korean mo...

Daum Search API

Daum Search API returns search results from Daum's web, vClip video, image, blog, book, café, and Q&A indexes, complementing Kakao Local for content discovery.

KakaoPay Online (Easy-Pay) API

KakaoPay Online (also known as KakaoPay Easy-Pay) lets online merchants accept KakaoPay wallet payments for one-time and subscription purchases, with order create, approve, canc...

KakaoPay Subscription Payments API

Subscription Payments API enables recurring KakaoPay billing for SaaS, content, and membership models — using a one-time SID (subscription ID) handshake followed by server-side ...

KakaoPay PG (Payment Gateway) API

KakaoPay PG is the full Korean payment-gateway product offering card, bank-transfer, point, and KakaoPay wallet acceptance for enterprise merchants.

KoGPT API

KoGPT is Kakao Brain's Korean-language large language model. The KoGPT API provides text generation, summarization, paraphrasing, and classification for Korean text.

Karlo (Text-to-Image) API

Karlo is Kakao Brain's diffusion-based text-to-image generation API, supporting Korean and English prompts and multiple aspect ratios.

KakaoMobility Business API

KakaoMobility's Business API powers KakaoT corporate mobility — letting enterprise platforms book Kakao T taxi rides, manage corporate accounts, and reconcile employee trips for...

Kakao OAuth API

Kakao Login OAuth 2.0 authorization, token, and logout flows.

Kakao OIDC API

OpenID Connect discovery, JWKS, and user info.

Kakao Service Terms API

Manage Kakao Sync service-terms consent.

Kakao User API

Logged-in user information, scopes, and account linking.

Scroll within the panel for all 21 ·

Open Collections 1

Open, tool-agnostic collections carry the same runnable value as Postman without locking you to one client — the portable, forkable form of the same exercise.

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

Kakao Login REST API

OPEN COLLECTION

Pricing Plans 1

Pricing is part of the interface. Machine-readable plans tell you what a tier costs and includes before you commit — one of the six things the Kin Score reads for commercial clarity.

Published pricing tiers and plan structures.

Kakao Plans Pricing

1 plans

PLANS

Rate Limits 1

Rate limits are the difference between a demo that works and a production integration that doesn't fall over. Publishing them is an operational-transparency signal — and a hard requirement for any agent that plans its own throughput.

Documented rate limits and quota policies.

Kakao Rate Limits

2 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals let a buyer model the financial operations of an API before it's live. We profile them for the same reason we profile pricing: the money is part of the contract.

Cost, billing, and metering signals for API financial operations.

Kakao Finops

FINOPS

Security Posture 2

Authentication, domain security, vulnerability disclosure, and trust-center signals — the evidence that a provider takes security seriously enough to document it. We profile it because you can't govern what you can't see.

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Kakao Authentication

apiKey/http · 2 schemes

SECURITY

Kakao Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Agentic Access 1

An x-agentic-access contract marks which operations are safe for an agent to run on its own and which need a human in the loop. It is the difference between an API an agent can use and one it can use safely.

Recommended x-agentic-access execution contracts for AI agents.

Kakao Agentic Access

14 operations · 5 acting · 1 human-in-the-loop

14 operations · 5 acting

AGENTIC

Resources

Every other property we hold for Kakao — documentation, portals, status pages, policies, and corporate surface — grouped by the job it does, following the integrator's arc from getting started to running in production.

Get Started 1

Portal, sign-up, and the first successful call

Documentation 1

Reference material describing how the API behaves

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

Build 1

SDKs, sample code, and the tooling you integrate with

Access & Security 2

Authentication, authorization, and security posture

← All providers · Data indexed from github.com/api-evangelist/kakao · machine-readable index on apis.io