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CP Platform

Login, payments, notifications.Build them once.

One account for auth, payments, and AI tools — all in one place.

Start for FreeIntegrate via API→

How will you start?

However you come in, the account stays the same.

For Users

Get to Work With Tools

Dropshipping, orchestration — pro-grade tools you can use from sign-up. No code required.

Browse Tools →

For Developers

Integrate Into Your Service

OAuth/JWT auth, TossPayments billing, multi-channel notifications. One API Key, five minutes to ship.

Open Developer Console →

Developer First

Integrate in 3 Steps

No complex infrastructure needed — start auth and payments with a single API Key.

  1. 1

    Get API Key

    Register your app in the Developer Console and get your API Key.

  2. 2

    Install SDK

    Integrate right away with JavaScript, Python, or your preferred language.

  3. 3

    Launch Service

    Deliver a service with auth and payments ready to your users.

1<script src="https://cp-platform.com/sdk/cp-auth.js"></script>
2
3const cp = new CPAuth({ clientId: "cp_your_client_id" });
4
5// Sign in with a popup → authorization code
6const { code } = await cp.loginWithPopup();
7
8// Send the code to your server — keep client_secret there
9await fetch("/api/cp/exchange", {
10  method: "POST",
11  body: JSON.stringify({ code }),
12});

Core Services

Choose Only the Modules You Need

Each module works independently, but becomes more powerful when used together.

CP-Auth

OAuth 2.0 + PKCE, SSO, JWT/API Key, License Management. Solve all authentication needs with a single API.

  • OAuth 2.0 / PKCE
  • Google · Kakao SSO
  • JWT + API Key
  • License

CP-Pay

TossPayments-based subscription/one-time payments, Auto Invoice, Webhook Delivery. Start payments with 3 lines of code.

  • Subscription
  • One-time
  • Auto Invoice
  • Webhook
Payment complete

Pro monthly

₩49,900

Next billing11.13

CP-Notify

Email, SMS, Kakao, Push notifications via API. Start with the Free plan and scale to Pro.

  • Email
  • SMS
  • Kakao
  • Push

Stability & Security

Plain facts, not big numbers

ap-northeast-2

Seoul region

Servers, database and web all run in Seoul (ap-northeast-2, icn1).

PKCE + HMAC

PKCE · signed webhooks

Auth codes are bound with PKCE; payment webhooks are verified with HMAC-SHA256 signatures.

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Connected services

Services you can enter with one CP account — the same live list as above.

Start Now

Start with the free plan and scale as your business grows. Setup takes less than 5 minutes.

Start for FreeDeveloper Console