🇰🇷Financial Technology in South Korea

10 financial technology providers in South Korea, publishing 12 APIs.

10 providers 12 published APIs 38 indexed documents

Financial Technology in South Korea — 10 providers on the APIs.io network sit in both cohorts, and between them they publish 12 indexed APIs.

5 of the 10 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: 4 minimal, 2 thin, 2 emerging, 1 strong, and 1 developing.

Leading by rating: PortOne, Payple, Toss Payments, Dunamu, Toss, KakaoBank, and 4 more.

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 financial technology 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 (10)

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
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
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
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
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

Indexed API documents (38)

Two numbers, both real: these providers publish 12 APIs as their own documents, which the catalog indexes split one-per-resource into 38 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...

Other industries in South Korea

E-Commerce Platform 19 Artificial Intelligence 15 Education & EdTech 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 Telecommunications & Connectivity 6 All of South Korea →

Financial Technology elsewhere

Europe 229 North America 176 Latin America 150 India & South Asia 111 United Kingdom & Ireland 104 Africa 86 Southeast Asia 81 Middle East 65 DACH (Germany · Austria · Switzerland) 44 France & Iberia 33 Japan & Korea 21 Greater China 20 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, 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 →

Call it yourself

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Everything under a tag
curl "https://apis.io/api/v1/tags/south-korea-financial-technology"

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