2021–2024
Running services ourselves
- Launched the education service Semomun in 2022 and sold it in 2023 at 50K monthly active users
- Launched Gonggan Hero, our own unstaffed-space business, in 2024. It served 250 spaces nationwide as of October 2024
Company
We started by answering our own phones
Before we became Korea AI Telecom, we ran businesses that live on the phone as Flover. Missing calls ourselves taught us what the bottom layer has to do.
Vision
Every business, talking and transacting through AI
The phone is the oldest and most widely deployed voice interface. Voice AI is reopening it, but building a service on top takes numbers, lines, compliance and payments first. KAT lays that foundation so anyone building voice services in Korea can start on top of it.
Three pillars
Infrastructure
Connecting AI to the phone network
AI services
Automating phone work
Payment & Commerce
Turning conversations into transactions
“Every conversation comes before a transaction.”
Three chapters
We ran services that depend on the phone first, then built the layer underneath them.
2025
Becoming a licensed carrier
- Registered as a facilities-based telecom business
- Registered as a special-category value-added telecom business
- Launched ZeroCall, AI phone answering for businesses
2026
Opening up as voice infrastructure
- Patent granted for an AI agent contact center
- In-call payment (CallPay) launched in beta
- KAT Cloud opens Voice API, SIP trunk and Number API to developers
- Renamed from Flover to Korea AI Telecom (KAT)
Our services
Three services put the infrastructure to work every day. Partners build on the same layers.
Live
KAT Cloud
AI telecom infrastructure platform
Phone numbers, SIP and call APIs, real-time voice AI, SMS and KakaoTalk messages through one API.
Layers used
- Telecom
- AI
- Messaging
- Data
Live
ZeroCall
The AI business phone for every business
Open a 070 business number in the app, then manage calls, texts, recordings, summaries and AI answering in one place. Plans run from free to enterprise.
Layers used
- Telecom
- AI
- Messaging
- Data
Beta
CallPay
A payment platform that works on its own or with ZeroCall
Customers pay inside the call they order or book on. Use it as a standalone product, with ZeroCall, or inside other services through the payment API.
Layers used
- Telecom
- Payments
- Data
Your service here
Build on the same layers our services use. Start on KAT Cloud, or talk to us about a custom setup.
Product sites are in Korean.
History
Newest first. Earlier press and awards appear under our former names, Flover and Drop Studio.
2026
- –Renamed from Flover to Korea AI Telecom (KAT)
- –Launched KAT Cloud, telecom infrastructure for AI agents
- 09Korean patent granted for an AI agent contact center integrated with booking platforms (No. 10-3022994)
- 09In-call payment (CallPay) launched in beta inside ZeroCall
- 07Investment from Propel-SNUSV Angel Investment Fund No. 2
- –National R&D project in AI and LLMs
2025
- –Registered as a facilities-based telecom business (No. 1-01-25-0027)
- –Registered as a special-category value-added telecom business (No. 3-01-25-0010)
- –Launched ZeroCall, AI phone answering for businesses
2024
- 04Gwanak S-Rising Day: preliminary round winner and finalist
- –Selected for TIPS, Korea’s government-backed startup program
- –Investment from SNU Technology Holdings
- –Launched Gonggan Hero, our unstaffed-space business
2023
- –Sold Semomun after reaching 50K monthly active users
2022
- 04Seed investment from Base Ventures
- –Launched the education service Semomun
2021
- –Founded as Drop Studio Inc. in Seoul
What we hold
Licences, numbers, a switch and a patent. The assets a partner relies on when they build on us.
2
Telecom licences
Facilities-based carrier (No. 1-01-25-0027) and special-category value-added operator (No. 3-01-25-0010)
10K+
Active numbers
070, local and national numbers
In-house
SIP switch
Routing, IVR and queues on a switch we operate
1
Korean patent
AI agent contact center integrated with booking platforms · No. 10-3022994 (2026)
10M
Monthly call minutes
Through the switch we operate, in one month
10K+
Businesses
From single stores to multi-site companies
Figures as of November 2026.
Team
A small team that builds every layer of a call, from the number to the payment.
How we work
01
Start from problems we’ve lived
We ran businesses that live on the phone and paid for every missed call. We pick the technology after we understand the moment.
02
One team, all the way down
Numbers, the switch, AI and payments are built by the same people. Whichever layer breaks, nobody passes it on.
03
Use it before we ship it
New features go into our own services and real calls first. Customers and partners get what has already held up.
04
Say only what’s confirmed
If we have it, we say so. If it’s in progress, we say that too, inside the team and outside it.
Members
Seungmin Shin
CEO
- Seoul National University, Business Administration and Electrical & Computer Engineering
- Seoul Science High School
Soonchan Ahn
- Seoul National University, Architectural Engineering
- Incheon Arts High School
Mingeon Kim
Speech AI
- Yonsei University, M.S. in Electrical & Computer Engineering (speech AI)
- Yonsei University, B.S. in Electrical & Computer Engineering
Wonju Lee
Software engineer, 5 years
- Soongsil University, Software
- Get in touch about roles
We’re hiring
Telecom, voice AI, payments or product. Tell us what you’d like to build with us.
Company information
- Name
- Korea AI Telecom Inc. (formerly Flover)
- Short name
- KAT
- Founded
- 2021
- CEO
- Seungmin Shin
- Business registration
- 165-81-02191
- Address
- 2F, 28 Gangnam-daero 146-gil, Gangnam-gu, Seoul, Korea
- Phone
- +82 70-5236-0777
- flover@flover.ai
Backed by
- TIPS
- SNU Technology Holdings
- Propel-SNUSV Angel Investment Fund No. 2
- Base Ventures