Japan & Korea × Telecommunications & Connectivity

Telecommunications & Connectivity in Japan & Korea

14 telecommunications & connectivity providers across Japan & Korea, publishing 58 APIs.

14 providers 58 published APIs 174 indexed documents

Telecommunications & Connectivity across Japan & Korea — 14 providers on the APIs.io network sit in both cohorts, and between them they publish 58 indexed APIs.

10 of the 14 publish at least one machine-readable API; 4 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, 3 developing, 3 thin, 3 emerging, and 1 exemplar.

Leading by rating: LINE, Soracom, Actionpower, SK Telecom, Rakuten, Kakao, and 8 more.

Region membership is derived from three explicit signals — a provider tag, a provider-name pattern, or a stated headquarters in the provider’s own description. This is a map of stated headquarters, not of markets served.

Providers (14)

Provider Description APIs Rating
LINE LINE is a Japan-based messaging platform operated by LY Corporation, with over 200 million monthly active users across Japan, Taiwan, Thailand and Indonesia, offering messaging,... 9 exemplar
Soracom Soracom is a global IoT cellular connectivity and platform provider headquartered in Tokyo, founded in 2014, with regional operations in the US (Soracom Global) and EU. The plat... 10 developing
Actionpower ActionPower Corp. (주식회사 액션파워) is a Seoul-based deep-tech AI company founded in 2016 that builds its own end-to-end speech recognition, speaker diarization, speech synthesis and ... 2 developing
SK Telecom SK Telecom Co., Ltd. is South Korea's largest mobile network operator, headquartered at SK T-Tower in Jung-gu, Seoul, and the telecom arm of SK Group. It runs the country's larg... 6 developing
Rakuten Rakuten Group is a Japan-headquartered internet conglomerate spanning e-commerce (Rakuten Ichiba), fintech (Rakuten Bank, Rakuten Card, Rakuten Securities), digital content (Rak... 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
NTT Docomo NTT DOCOMO, Inc. is Japan's largest mobile network operator and a wholly owned subsidiary of Nippon Telegraph and Telephone (NTT), serving roughly 90 million mobile subscription... 2 thin
Naver Naver Corp. is South Korea's largest internet company, operating the Naver search portal, Naver Webtoon, Naver Pay, Naver Maps, Naver Shopping, WORKS Mobile, and the LINE messen... 18 emerging
NTT NTT (Nippon Telegraph and Telephone Corporation) is a Tokyo-headquartered global technology and telecommunications group with roughly 340,000 employees and a 150-year history of... 6 emerging
VCNC VCNC is a South Korean mobile technology company behind Between, a private messaging and photo-sharing app for couples, and TADA, a ride-hailing and mobility service operating i... 0 emerging
Rakuten Mobile Rakuten Mobile is the Japanese mobile network operator (MNO) of Rakuten Group, headquartered in Setagaya, Tokyo, and Japan's fourth nationwide carrier alongside NTT Docomo, KDDI... 3 minimal
Excite Japan Co., Ltd. (JASDAQ:3754) Excite Japan Co., Ltd. (エキサイト株式会社), listed on JASDAQ as ticker 3754, is a Tokyo-based internet media and services company founded in August 1997 and headquartered in the Azabuda... 0 minimal
BAYCON BAYCON Inc. is a Seoul, South Korea-based mobile connectivity company, founded in 2018 and backed by 500 Global and Shorooq Partners (seed round, 2024). BAYCON operates a global... 0 minimal
KDDI KDDI Corporation is a Japanese multinational telecommunications operator headquartered in Tokyo, providing mobile, fixed-line, broadband, and enterprise ICT services. KDDI marke... 0 minimal

Indexed API documents (174)

Two numbers, both real: these providers publish 58 APIs as their own documents, which the catalog indexes split one-per-resource into 174 documents.

LINE Login v2.1

LINE
End-user authentication and authorization over OAuth 2.0 authorization code grant and OpenID Connect. Authorization runs at access.line.m...

LINE Channel Access Token API

LINE
The channel-access-token API from LINE — 8 operation(s) for channel-access-token.

LINE Dummy API

LINE
The dummy API from LINE — 1 operation(s) for dummy.

LINE Insight API

LINE
The insight API from LINE — 7 operation(s) for insight.

LINE Liff API

LINE
The liff API from LINE — 2 operation(s) for liff.

LINE Line Module API

LINE
The line-module API from LINE — 4 operation(s) for line-module.

LINE Line Module Attach API

LINE
The line-module-attach API from LINE — 1 operation(s) for line-module-attach.

LINE Manage Audience API

LINE
The manage-audience API from LINE — 8 operation(s) for manage-audience.

LINE Manage Audience Blob API

LINE
The manage-audience-blob API from LINE — 1 operation(s) for manage-audience-blob.

LINE Messaging API

LINE
The messaging-api API from LINE — 61 operation(s) for messaging-api.

LINE Messaging API Blob API

LINE
The messaging-api-blob API from LINE — 4 operation(s) for messaging-api-blob.

LINE Shop API

LINE
The shop API from LINE — 1 operation(s) for shop.

Soracom SIM Management API

Soracom
Manage Soracom Air for Cellular SIMs (and Subscribers) — list, get, create Arc virtual SIMs, activate/deactivate/suspend/terminate, set g...

Soracom Group Configuration API

Soracom
Manage Soracom groups and per-service configuration. Groups bind SIMs and devices to namespaced configuration for SoracomAir, SoracomBeam...

Soracom Billing API

Soracom
Retrieve usage charges (monthly bills, daily bill items, per-SIM and per-bill-item summaries), export bills to CSV, manage payment method...

Soracom Stats and Diagnostics API

Soracom
Retrieve cellular data usage statistics (per SIM/subscriber/group/account), API and Napter audit logs, operator error logs, and diagnosti...

Soracom Auth and Access Management API

Soracom
Authenticate operators (email/password or AuthKey), issue short-lived API Keys + Tokens, manage operator profile, SAM (Soracom Access Man...

Soracom Lagoon API

Soracom
Manage Soracom Lagoon (managed Grafana) subscription, plan tier, organization, dashboards, users, licenses, and data sources.

Soracom Cloud Camera Services API

Soracom
Manage Soracom Cloud Camera Services (SoraCam) devices, livestream URLs, image exports, recording exports, motion events, atomic timestam...

Soracom Batch API

Soracom
Batch processing — create batch groups, define jobs that invoke API operations across many SIMs or devices, and inspect tasks for status ...

Soracom Analysis API

Soracom
[Soracom Query](/en/docs/query/)

Soracom API Sandbox: Coupon API

Soracom
The API Sandbox: Coupon API from Soracom — 1 operation(s) for api sandbox: coupon.

Soracom API Sandbox: Operator API

Soracom
The API Sandbox: Operator API from Soracom — 3 operation(s) for api sandbox: operator.

Soracom API Sandbox: Order API

Soracom
The API Sandbox: Order API from Soracom — 1 operation(s) for api sandbox: order.

Soracom API Sandbox: Stats API

Soracom
The API Sandbox: Stats API from Soracom — 2 operation(s) for api sandbox: stats.

Soracom API Sandbox: Subscriber API

Soracom
The API Sandbox: Subscriber API from Soracom — 1 operation(s) for api sandbox: subscriber.

Soracom AuditLog API

Soracom
[Audit logs](/en/docs/api-audit-logs/)

Soracom CellLocation API

Soracom
[Cell tower location information](/en/docs/air/get-location-info/#get-cell-tower-location-information)

Soracom Credential API

Soracom
[Credentials store](/en/docs/credentials-store/) Create, update, and delete credentials

Soracom DataEntry API

Soracom
[Soracom Harvest Data](/en/docs/harvest/)

Soracom Device API

Soracom
[Soracom Inventory devices](/en/docs/inventory/)

Soracom DeviceObjectModel API

Soracom
[Soracom Inventory object model](/en/docs/inventory/define-custom-object/)

Soracom Diagnostic API

Soracom
[Diagnostic features](/en/guides/diagnostic/)

Soracom Email API

Soracom
[Email addresses](/en/docs/email/)

Soracom EventHandler API

Soracom
[Event handlers](/en/docs/event-handler/)

Soracom FileEntry API

Soracom
[Soracom Harvest Files](/en/docs/harvest/)

Soracom Files API

Soracom
Download files exported by the following APIs: - [Billing](#/Billing) - [Payment: exportPaymentStatement](#/Payment/exportPaymentStatemen...

Soracom Gadget API

Soracom
Gadget API compatible devices

Other industries in Japan & Korea

Artificial Intelligence 36 Education & EdTech 21 Data & Analytics 20 Digital Health & Telehealth 14 Healthcare 14 IoT & Connected Devices 14 Supply Chain & Procurement 14 Blockchain, Crypto & Web3 13 Cybersecurity & Identity 13 Retail 13 Developer Tools & DevOps 12 Human Resources & Payroll 12 All of Japan & Korea →

Telecommunications & Connectivity elsewhere

North America 113 Europe 71 Latin America 17 United Kingdom & Ireland 17 Greater China 16 France & Iberia 15 India & South Asia 14 Nordics 12 Australia & New Zealand 11 DACH (Germany · Austria · Switzerland) 11 Africa 7 Middle East 6 All of Telecommunications & Connectivity →

This page is the intersection of two independently computed cohorts: Japan & Korea and Telecommunications & Connectivity. A provider appears here only when it is already a member of both. Japan & Korea membership is matched on tag, name pattern, stated HQ, 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 region here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for regions

6 MCP tools reach this
  • find_regionsBrowse and filter every region in the catalog.
  • get_region_leadersPRO — top-rated providers in this region.
  • cohort_statsPRO — the distribution across the region.
  • 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

curl for this page
This region 
curl "https://apis.io/api/v1/regions/japan-korea-telecommunications"
All regions 
curl "https://apis.io/api/v1/regions?limit=25"
As a scored cohort 
curl "https://apis.io/api/v1/cohorts/region/japan-korea-telecommunications"
The distribution (Pro) 
curl "https://apis.io/api/v1/cohorts/region/japan-korea-telecommunications/stats" \
  -H "X-API-Key: $APIS_IO_KEY"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.