SureM
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Trusted Business Messaging

Messaging that reaches your customers, wherever they are

International SMS, MMS, SMPP/API, and RCS across 200+ countries and 800+ carriers - built on direct carrier infrastructure and 26 years of operating experience.

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9:41 S SureM Verified · SMS Your code is 483 920 Verified ✓ Order #4421 shipped. ✓ Delivered · 214ms Text message
9:41 SureM ✓ Verified · RCS Summer Sale Up to 40% off Your exclusive coupon Tap below to redeem Redeem coupon View store Call us Read 9:42 ✓✓ Interested Later
9:41 SureM Official 알림톡 도착 알림톡 [배송 출발 안내] 주문하신 상품이 출발했습니다. · 주문번호: 4421 · 도착예정: 내일 오전 배송 조회하기 채널 추가하고 혜택받기 미수신 시 SMS 자동 전환 Why KakaoTalk? Nearly every smartphone user in Korea uses it every day — the channel customers open.
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About SureM

SureM: Korea Messaging Infrastructure Provider

SureM is a Korea-based business messaging infrastructure provider with 26 years of experience. The company helps global and Korean businesses deliver SMS, LMS, MMS, RCS, Kakao, WhatsApp Business, Voice OTP, and international messaging through reliable local network connectivity and operational expertise.

Trust and proof

Founded in 2000, used by 1,800+ organizations

SureM has delivered operational messaging for finance, retail, manufacturing, healthcare, public institutions, and global enterprises since 2000, with 26 years of messaging experience and 1,800+ customer organizations.

Alibaba
AMD
Chanel
Gucci
Huawei
KDDI
Klook
Kolon
La Prairie
L’Oréal
LVMH
PaaSoo
Paradise
Smilegate
Temu
Twilio
Vonage
Alibaba
AMD
Chanel
Gucci
Huawei
KDDI
Klook
Kolon
La Prairie
L’Oréal
LVMH
PaaSoo
Paradise
Smilegate
Temu
Twilio
Vonage
Real-time route status
KR → SG214ms✓ delivered
KR → US312ms✓ delivered
KR → JP168ms✓ delivered
KR → GB287ms✓ delivered
Customer organizations1,800+

Across finance, retail, manufacturing, healthcare, and public-sector environments.

Years of experience25+

A 26-year enterprise messaging partner founded in 2000.

Employees120+

120+ employees supporting the messaging business.

Standard contributorSMPP

Contributed to the SMPP standard; operates SMPP v5 with MM4/MM7 for MMS.

Why SureM

Three pillars that define SureM

26 years of operating experience, 1,800+ enterprises served, and direct carrier-backed delivery infrastructure — bound together as one platform.

2000 2026 26-year track record
26yrs

Enterprise messaging partner

Founded in 2000. A 26-year operating record across telecom, banking, and platform-scale messaging.

since 2000
10k/s sustained throughput
10k/sec

Messages per second

Direct three-carrier connectivity in Korea and infrastructure tuned for sustained 10,000+ messages per second.

sustained · burst-tested
2025 AWARD KAKAO TOP ISO 27001
1:1

Account-managed delivery

2025 Korea Messaging Service Award, Kakao Top Partner status, and ISO 27001 recertification.

ISO 27001 · Kakao top
Global reach

One platform, 200+ countries

Direct carrier infrastructure in Korea, connected to 800+ operators worldwide - with a Seoul-based hub routing traffic across every region in real time.

Seoul Global Messaging Hub Regional reach · 200+ countries 800+ carriers connected
Products

Core messaging products and interfaces

SureM combines international SMS, MMS, SMPP/API connectivity, and richer business messaging for teams running customer-critical traffic.

5 channels · ready
Most popular
/01
Your code is 483 920 Order #4421 shipped ✓ ✓ Delivered · 214ms

International SMS

Deliver business messages across 200+ countries and 800+ carriers for authentication, alerts, reminders, and cross-border operations.

OTP & alertsRemindersDelivery receipts
200+ countries · 800+ carriersdocs →
/02
20% OFF Get coupon

MMS

Send richer customer messaging with images, maps, coupons, brochures, and URL-linked content where multimedia delivery is supported.

Images & mediaCouponsURL content
CN · HK · TW · JP supportdocs →
/03
live POST /v5/submit_sm { "to": "+8210...",   "dlr": true } 200 OK · DELIVRD

SMPP / API Integration

Connect enterprise systems directly with SMPP v5, delivery receipts, and MM4/MM7-compatible interface depth for operational control.

SMPP v5MM4 / MM7REST API
SMPP v5 · Standard contributordocs →
/04
Summer Sale ✓ Verified brand Shop Reply

RCS Business Messaging

Support branded customer communication with RCS TrustMark programs where richer business messaging is part of the customer journey.

Verified brandRich cardsButtons
RCS TrustMark supportdocs →
/05
A Acme Store Business · online TODAY 📦 Order Update Approved Template Hi John! Your order #4421 has shipped via FedEx 🚚 10:42 ✓✓ 📍 Track order 💬 Reply

WhatsApp Business

Reach global customers on WhatsApp with approved templates, OTP, notifications, and interactive business conversations.

TemplatesOTPGlobal conversations
180+ countries · Cloud APIdocs →
Operational visibility

Built into the product experience

SureM operates a Seoul-based Global Messaging Hub with live channel status across RCS, Kakao, SMS, and global traffic, plus real-time statistics and dashboard-style message visibility.

app.surem.net/consoleConnected
Credit balance₩24,800Operational preview · throughput 60s
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200+Countries
800+Carriers
99.9%SLA

Recent messages

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01

+82 10 5555 1234 · Your SureM code is 483920.

Delivered
02

+1 415 555 9902 · Order #4421 has shipped.

Delivered
03

+82 10 7781 0044 · Appointment reminder for tomorrow 10:00.

Queued
04

+44 7700 900123 · Welcome to SureM. Reply STOP to unsubscribe.

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Company at a glance

SureM Co., Ltd. - Quick Facts

Structured company information for partners, procurement teams, and global reference.

Founded200026 years of operation
Legal entitySureM Co., Ltd.슈어엠주식회사
HeadquartersSeoul, KoreaRepublic of Korea
International salesintlsales@surem.comEnglish · Korean inquiries
Coverage200+ countries800+ carriers and operators
Core interfacesSMS · MMS · SMPP · RCSPlus Kakao, WhatsApp, Voice OTP