🇰🇷Financial Technology in South Korea

13 financial technology providers in South Korea, publishing 44 APIs.

13 providers 44 published APIs 44 indexed documents

Financial Technology in South Korea — 13 providers on the APIs.io network sit in both cohorts, and between them they publish 44 indexed APIs.

8 of the 13 publish at least one machine-readable API; 5 publish nothing indexed at all. That split is the first thing worth reading here — a vertical can be well represented in a market and still have almost no programmable surface.

By Kin Score band: 5 minimal, 4 emerging, 2 thin, 1 strong, and 1 developing.

Leading by rating: PortOne, Payple, Toss Payments, Dunamu, Toss, KakaoBank, and 7 more.

Country membership reads a tag, a stated headquarters or a stated nationality. A provider lands in South Korea when one of its own top-level tags names the country, when its own description states a headquarters that names the country or one of its cities, or when it describes itself by nationality (“a French company”; roadmap#542, #719). Region words (“Latin American”), language uses (“French-speaking”) and a city named outside a headquarters statement are not counted, so this cell is a floor, not a census.

Providers (13)

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... 20 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... 8 thin
Dunamu Dunamu Inc. (두나무 주식회사) is a South Korean fintech and blockchain company founded in April 2012 and headquartered at 369 Gangnam-daero, Seocho-gu, Seoul. Dunamu operates Upbit, Ko... 0 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
KakaoBank KakaoBank is South Korea's leading internet-only bank, offering REST APIs for account management, fund transfers, loans, credit scoring, and open banking data connectivity for t... 5 emerging
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 billin... 4 emerging
Banksalad Banksalad is a South Korean fintech company offering a comprehensive financial platform that aggregates banking, credit card, loan, deposit, insurance, and health check services... 1 emerging
Finda Finda (핀다) is a South Korean fintech company founded in 2015 and headquartered in Seoul that operates a licensed online loan-comparison and financial-product marketplace. Throug... 0 minimal
8percent 8percent (에잇퍼센트) is a Seoul-based fintech company, founded in November 2014, that built Korea's first-generation peer-to-peer lending marketplace and in June 2021 became the cou... 0 minimal
Artnguide Artnguide (아트앤가이드) is a Korean platform that issues art‑investment contract securities, enabling fractional ownership of artworks. It provides a digital marketplace where users ... 1 minimal
PeopleFund, Perfect Technologies PFC Technologies (formerly PeopleFund) is a Seoul, South Korea fintech company operating at the intersection of direct online lending and AI lending infrastructure. It runs two ... 0 minimal
Chaart Chaart (주식회사 차트, Chaart Inc.) is a Seoul-based art-trading and art-asset-management platform for South Korea's art collectors and investors. Its iOS and Android apps let collect... 0 minimal

Indexed API documents (44)

Two numbers, both real: these providers publish 44 APIs as their own documents, which the catalog indexes split one-per-resource into 44 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.

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...

KakaoBank Account Management API

REST API for managing KakaoBank accounts including demand deposits, savings accounts, and group accounts. Provides access to account bala...

KakaoBank Transfer API

REST API enabling fund transfers between KakaoBank accounts and external bank accounts within South Korea's open banking network. Support...

KakaoBank Loan API

REST API for loan origination and management including credit loans, business owner credit loans, and housing-related loans. Provides pro...

KakaoBank Credit Scoring API

REST API providing alternative credit scoring capabilities powered by KakaoBank's data-driven credit models. Integrates with partners suc...

KakaoBank Open Banking API

REST API connecting to South Korea's national open banking switchboard, enabling aggregated views of balances and transactions from multi...

KakaoPay Online Payment API

REST API for integrating KakaoPay online payment functionality into PC and mobile web or app environments. Supports single payments, subs...

KakaoPay Login API

REST API providing KakaoPay authentication services including token issuance, token refresh, user information retrieval, and consent mana...

KakaoPay Money Transfer API

REST API for code-based money transfers, enabling users to send and receive money via generated links. Supports money transfer link gener...

KakaoPay Face Recognition API

REST API providing facial detection and comparison capabilities for identity verification and authentication within KakaoPay financial se...

Banksalad API

Banksalad provides financial data aggregation APIs as described in their customer safety documentation.

Artnguide API

API for Artnguide platform

Other industries in South Korea

Artificial Intelligence 30 E-Commerce Platform 20 Biotechnology & Drug Discovery 12 Retail 12 Healthcare 11 Education & EdTech 10 Investing & Venture Capital 9 Data & Analytics 8 Digital Health & Telehealth 8 Gaming & Interactive 8 Mobility & Fleet 8 Supply Chain & Procurement 8 All of South Korea →

Financial Technology elsewhere

Europe 238 North America 178 Latin America 148 India & South Asia 113 United Kingdom & Ireland 108 Africa 86 Southeast Asia 83 Middle East 65 DACH (Germany · Austria · Switzerland) 44 France & Iberia 35 Japan & Korea 23 Greater China 19 All of Financial Technology →

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

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Tools for countries

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  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
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