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 data eSIM platform and a family of international communication apps: eSIM Easy (이심이지), which delivers multi-country data eSIM plans as a QR code within minutes of purchase; ModuCall (모두의 국제전화), affordable VoIP international calling that lets users place overseas calls using their domestic mobile plans; and BayTalk. The company partners with local network operators and global carrier infrastructure so international travelers and businesses can access local mobile networks without physical SIM cards, cut roaming costs, and stay connected across borders, and is expanding into travel content such as attraction tickets and transportation passes. BAYCON publishes consumer mobile apps rather than a public developer API surface.
Index entry only — little beyond a description and a link, and nothing machine-readable enough for an agent to act on without a human reading the site first.
API Evangelist profiles BAYCON the way a machine reads it — 1 machine-readable artifact, pulled from the provider's own public surface and indexed so a developer, an analyst, or an AI agent can evaluate it against every other provider on the network.
Every provider in the network is reduced to the same set of machine-readable artifacts — OpenAPI contracts, event specifications, GraphQL schemas, runnable collections, pricing and rate-limit signals, security posture, OAuth scopes, and the agent surfaces (MCP servers and skills) that let software drive the API on its own. We profile them because the interface is the part of a company you can actually inspect: it is a truer signal of what a provider does than any marketing page. From those artifacts we compute the Kin Score — BAYCON scores 9.8/100 (minimal), with a separate agent-readiness read of 0/100 (human only). The full breakdown is below, followed by every artifact we hold — each card links through to its machine-readable definition on apis.io.
Kin Score
This is the API Evangelist rating — a single, repeatable read computed from the artifacts on this page. Green fill is points earned; the red track is points possible, so every bar shows earned-versus-possible at a glance.
Kin Score
How this is scored →scored 2026-07-27 · rubric v0.5
How we profile BAYCON
Each block below is one kind of artifact we hold for BAYCON. For each we say what it is and why it earns a place in the profile, then list every one we've indexed — capped at two rows, scroll within the panel for the rest.
Security Posture 1
Authentication, domain security, vulnerability disclosure, and trust-center signals — the evidence that a provider takes security seriously enough to document it. We profile it because you can't govern what you can't see.
Authentication, domain security, vulnerability disclosure, and trust-center signals.
Resources
Every other property we hold for BAYCON — documentation, portals, status pages, policies, and corporate surface — grouped by the job it does, following the integrator's arc from getting started to running in production.
Get Started 1
Portal, sign-up, and the first successful call
Access & Security 1
Authentication, authorization, and security posture
Company 2
The organization behind the API
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