KakaoPay

KakaoPay is a Korean mobile payment platform and fintech service by Kakao Corp providing REST APIs for payment processing, QR code payments, online checkout, subscription billing, money transfers, and financial product management. The platform enables merchants and developers to integrate KakaoPay's payment infrastructure via secure REST APIs authenticated with admin keys or bearer tokens.

KakaoPay publishes 4 APIs on the APIs.io network. Tagged areas include Payments, Mobile Payments, QR Code Payments, Subscription Billing, and Money Transfer.

KakaoPay’s developer surface includes documentation, engineering blog, pricing, and 9 more developer resources.

🌐 Visit website 📡 Source on GitHub

20.9/100 emerging ▬ flat Agent 3/100 human only Full breakdown ↓
scored 2026-07-28 · rubric v0.6

AccessFreemium

4 APIs

PaymentsMobile PaymentsQR Code PaymentsSubscription BillingMoney TransferFintechKoreanREST API

Kin Score

Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6

Composite quality — 20.9/100 · emerging

Contract Quality 0.0 / 25

Developer Ergonomics 2.2 / 20

Commercial Clarity 7.9 / 20

Operational Transparency 5.5 / 13

Governance 0.0 / 12

Discoverability 7.4 / 10

Agent readiness — 3/100 · human only

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 10

MCP Server 0 / 12

Machine-Readable Auth 0 / 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

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 0 / 4

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/kakaopay: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 4

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

Rate Limits 1

Documented rate limits and quota policies.

Kakaopay Rate Limits

2 limits

RATE LIMITS

FinOps 1

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

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrg

GitHubOrg

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Operate 2

Status, limits, changes, and where to get help

StatusPage

StatusPage

RateLimits

RateLimits

Commercial 3

Pricing, plans, and the legal terms of use

Pricing

Pricing

Plans

Plans

FinOps

FinOps

Company 3

The organization behind the API

Website

Website

LinkedIn

Blog

Blog

Other 1

Properties that don't map to a standard resource type

Source (apis.yml)

aid: kakaopay
name: KakaoPay
description: KakaoPay is a Korean mobile payment platform and fintech service by Kakao Corp providing REST APIs for payment
  processing, QR code payments, online checkout, subscription billing, money transfers, and financial product management.
  The platform enables merchants and developers to integrate KakaoPay's payment infrastructure via secure REST APIs authenticated
  with admin keys or bearer tokens.
accessModel:
  pricing: freemium
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Freemium
  confidence: medium
  source:
  - plans
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/kakaopay.png
url: https://raw.githubusercontent.com/api-evangelist/kakaopay/refs/heads/main/apis.yml
created: '2026-06-13'
modified: '2026-06-13'
specificationVersion: '0.19'
tags:
- Payments
- Mobile Payments
- QR Code Payments
- Subscription Billing
- Money Transfer
- Fintech
- Korean
- REST API
apis:
- name: KakaoPay Online Payment API
  description: REST API for integrating KakaoPay online payment functionality into PC and mobile web or app environments.
    Supports single payments, subscription (recurring) billing, order inquiry, and payment cancellation. Uses admin key authentication
    via Authorization header.
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://developers.kakaopay.com/docs/payment/online-payment/single-payment
  baseURL: https://open-api.kakaopay.com
  tags:
  - Online Payment
  - Single Payment
  - Subscription
  - Payment Cancellation
  properties:
  - type: Documentation
    url: https://developers.kakaopay.com/docs/payment/online-payment/single-payment
- name: KakaoPay Login API
  description: REST API providing KakaoPay authentication services including token issuance, token refresh, user information
    retrieval, and consent management. Enables applications to authenticate users via their KakaoPay credentials.
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://developers.kakaopay.com/docs
  baseURL: https://kapi.kakao.com
  tags:
  - Authentication
  - Login
  - OAuth
  - Token
  properties:
  - type: Documentation
    url: https://developers.kakaopay.com/docs
- name: KakaoPay Money Transfer API
  description: REST API for code-based money transfers, enabling users to send and receive money via generated links. Supports
    money transfer link generation, retrieval, deletion, bill-splitting settlements, and service deregistration.
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://developers.kakaopay.com/docs
  baseURL: https://open-api.kakaopay.com
  tags:
  - Money Transfer
  - Remittance
  - Bill Splitting
  properties:
  - type: Documentation
    url: https://developers.kakaopay.com/docs
- name: KakaoPay Face Recognition API
  description: REST API providing facial detection and comparison capabilities for identity verification and authentication
    within KakaoPay financial services.
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://developers.kakaopay.com/docs
  baseURL: https://open-api.kakaopay.com
  tags:
  - Face Recognition
  - Biometrics
  - Identity Verification
  properties:
  - type: Documentation
    url: https://developers.kakaopay.com/docs
common:
- type: DomainSecurity
  url: security/kakaopay-domain-security.yml
- type: Website
  url: https://www.kakaopay.com
- type: Documentation
  url: https://developers.kakaopay.com/docs
- type: GitHubOrg
  url: https://github.com/kakaopay
- type: LinkedIn
  url: https://www.linkedin.com/company/kakaopay
- type: Blog
  url: https://tech.kakaopay.com
- type: Pricing
  url: https://developers.kakao.com/docs/latest/en/app-setting/paid-api
- type: StatusPage
  url: https://developers.kakaopay.com
- type: X
  url: https://x.com/kakaocorpglobal
- type: Plans
  url: plans/kakaopay-plans-pricing.yml
- type: RateLimits
  url: rate-limits/kakaopay-rate-limits.yml
- type: FinOps
  url: finops/kakaopay-finops.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

KakaoPay

Kin Score

APIs 4

KakaoPay Online Payment API

KakaoPay Login API

KakaoPay Money Transfer API

KakaoPay Face Recognition API

Pricing Plans 1

Kakaopay Plans Pricing