🇰🇷Payments & Money Movement in South Korea

5 payments & money movement providers in South Korea, publishing 8 APIs.

5 providers 8 published APIs 54 indexed documents

Payments & Money Movement in South Korea — 5 providers on the APIs.io network sit in both cohorts, and between them they publish 8 indexed APIs.

All 5 publish at least one machine-readable API — unusual, and worth noting against most cells in this grid.

By Kin Score band: 2 thin, 1 strong, 1 developing, and 1 emerging.

Leading by rating: PortOne, Payple, Toss Payments, Kakao, and Toss.

Country membership is exact-tag only. A provider lands in South Korea when one of its own top-level tags names the country — there is no headquarters signal on the country axis, unlike the region axis which reads tag, provider-name pattern, and stated HQ. So this cell is a floor, not a census, and it understates by construction — a payments & money movement company headquartered in South Korea that never tags itself is counted nowhere on this axis. The region cuts read the wider signal set and will generally hold more.

Providers (5)

Provider Description APIs Rating
PortOne PortOne (formerly Iamport) is a Korea-based payment orchestration platform that lets online businesses integrate one API to reach 100+ Korean and global payment methods and PSPs... 1 strong
Payple Payple (페이플) is a South Korean payment gateway (PG) and fintech provider that lets merchants accept online payments across domestic and international cards, real-time bank-accou... 1 developing
Toss Payments Toss Payments is a South Korean payment gateway (PG) operated by Viva Republica, the company behind the Toss super-app. Its REST API lets merchants accept and manage online paym... 1 thin
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), KakaoMobi... 1 thin
Toss Toss is a Korean financial super-app operated by Viva Republica that provides REST APIs for payments, banking, credit scoring, identity verification, and financial services acro... 4 emerging

Indexed API documents (54)

Two numbers, both real: these providers publish 8 APIs as their own documents, which the catalog indexes split one-per-resource into 54 documents.

PortOne REST API (V1, legacy Iamport)

Legacy V1 (Iamport) REST API on api.iamport.kr — token-authenticated (POST /users/getToken with imp_key/imp_secret) payment lookup, cance...

PortOne Banks API

The Banks API from PortOne — 1 operation(s) for banks.

PortOne Billing Keys API

The Billing Keys API from PortOne — 4 operation(s) for billing keys.

PortOne Cash Receipts API

The Cash Receipts API from PortOne — 1 operation(s) for cash receipts.

PortOne Checkout Profiles API

The Checkout Profiles API from PortOne — 1 operation(s) for checkout profiles.

PortOne Identity Verifications API

The Identity Verifications API from PortOne — 5 operation(s) for identity verifications.

PortOne Kakaopay API

The Kakaopay API from PortOne — 1 operation(s) for kakaopay.

PortOne Login API

The Login API from PortOne — 1 operation(s) for login.

PortOne Payment Events By Cursor API

The Payment Events By Cursor API from PortOne — 1 operation(s) for payment events by cursor.

PortOne Payment Gateways API

The Payment Gateways API from PortOne — 1 operation(s) for payment gateways.

PortOne Payment Reconciliations API

The Payment Reconciliations API from PortOne — 2 operation(s) for payment reconciliations.

PortOne Payment Schedules API

The Payment Schedules API from PortOne — 2 operation(s) for payment schedules.

PortOne Payment Sessions API

The Payment Sessions API from PortOne — 3 operation(s) for payment sessions.

PortOne Payments API

The Payments API from PortOne — 18 operation(s) for payments.

PortOne Payments By Cursor API

The Payments By Cursor API from PortOne — 1 operation(s) for payments by cursor.

PortOne Paymentwall API

The Paymentwall API from PortOne — 1 operation(s) for paymentwall.

PortOne Platform API

The Platform API from PortOne — 44 operation(s) for platform.

PortOne Promotions API

The Promotions API from PortOne — 1 operation(s) for promotions.

PortOne Token API

The Token API from PortOne — 1 operation(s) for token.

PortOne B2 B API

The B2 B API from PortOne — 26 operation(s) for b2 b.

Payple Payment API

Payple REST payment API (v2) for card, bank-account, recurring/billing-key, link, verification, and payout (Hub) operations, plus the hos...

Toss Payments Brandpay API

Brandpay is Toss Payments' embeddable in-merchant easy-pay wallet, letting customers register payment methods once and reuse them. Method...

Toss Payments Billing API

Recurring (automatic) payments via billing keys.

Toss Payments Cash Receipts API

Korean cash receipt (현금영수증) issuance and cancellation.

Toss Payments API

Confirm, retrieve, and cancel payments.

Toss Payments Payouts API

Marketplace balance and seller payouts (v2).

Toss Payments Settlements API

Settlement queries and manual settlement requests.

Toss Payments Transactions API

Transaction ledger queries.

Toss Payments Virtual Accounts API

Per-order virtual bank account issuance.

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 ...

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 K...

KakaoTalk Sharing API

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

KakaoTalk Message API

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

KakaoTalk Channel API

KakaoTalk Channel APIs manage a brand's Channel relationship with users — including add-friend status, Alimtalk-style notification messag...

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 experie...

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...

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 "S...

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 ...

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 pur...

KakaoPay Subscription Payments API

Subscription Payments API enables recurring KakaoPay billing for SaaS, content, and membership models — using a one-time SID (subscriptio...

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...

KoGPT API

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

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 ac...

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.

Kakao O Auth API

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

Toss Payments API

REST API for processing payments, authorizations, cancellations, and refunds through the Toss Payments platform. Supports card, virtual a...

Toss Pay API

Legacy REST API for Toss Pay payment transactions, merchant approval flows, refunds, and payment status checks. Operates on the pay.toss....

Toss Payments Webhooks

Event-driven webhook system for receiving real-time notifications on payment status changes, virtual account deposits, cancellations, Bra...

Toss Payments Payouts API

API for marketplace and platform operators to disburse funds to registered sellers. Supports seller registration, payout requests, and ev...

Other industries in South Korea

E-Commerce Platform 19 Artificial Intelligence 15 Education & EdTech 10 Financial Technology 10 Retail 9 Digital Health & Telehealth 7 Healthcare 7 Venture Capital & Investing 7 Beauty & Personal Care 6 Blockchain, Crypto & Web3 6 Cybersecurity & Identity 6 Gaming & Interactive 6 All of South Korea →

Payments & Money Movement elsewhere

Europe 196 North America 156 Latin America 112 United Kingdom & Ireland 104 Africa 71 India & South Asia 55 Southeast Asia 50 Middle East 47 France & Iberia 27 Australia & New Zealand 22 DACH (Germany · Austria · Switzerland) 21 Greater China 15 All of Payments & Money Movement →

This page is the intersection of two independently computed cohorts: South Korea and Payments & Money Movement. A provider appears here only when it is already a member of both. South Korea membership is matched on tag, so this is a floor rather than a census — coverage gaps show up here as small numbers, not as absent pages.

Work with this as data

Every country here is available over the APIs.io API and to AI agents over MCP. Countries is not yet its own endpoint on the v1 API. Reach it through catalog search and the tag graph, or the MCP server.

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Tools for countries

3 MCP tools reach this
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

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