NEW Β· v3 Global A2P SMS & WhatsApp Business API: Get test credits when you sign up today
⚑ Proven A2P Messaging Infrastructure

Deliver every message.
Verify every customer.

Ukbd Messaging and SMS API helps start-ups and enterprises to easily communicate with their customers. Our global coverage, developer-friendly API, easy integration and expert support make the developer’s job of sending alerts or notifications to the customers easier.

99.99%

Carrier uptime SLA

<20s

OTP delivery SLA

190+

Countries covered

βœ… Delivered in 1.2s 2FA OTP, WhatsApp Fallback Active
⚑ 10,000 TPS Capacity Direct Operator SMPP 3.4 Bind
UKBD A2P ENGINE v3.4 GATEWAY LIVE
πŸ’¬ UKBD Conversation Cloud

Drive business growth
from every customer conversation

Build a workflow once and UKBD handles routing across messaging channels, guarding delivery and confirming every action in real time.

Start a conversation
Pre-built A2P Flow
UKBD Conversation Cloud
UKBD
Templates Message Builder Journeys WhatsApp Flows Analytics Senders Settings
Order-update flow Active
Objective
Notify customers about order and delivery status across SMS and WhatsApp, with an OTP code on checkout.
Guardrails
Only send during allowed hours. Auto-failover to SMS if WhatsApp is undelivered in 30 seconds.
Greeting
"Hi Alex, your verification code is 849201. Valid for 5 minutes."
Channels and tools
SMS gateway
WhatsApp API
RCS messaging
Voice OTP
Email fallback
πŸ“¦Foodpanda Deliveriesβœ“
Track my delivery order #9821 πŸ›΅
Your order has been dispatched, live details:
HUB12:44πŸ›΅HOME12:58ETA 14m
Live map trackingContact driver
Completed action
πŸ“¦βœ“
⚑ Intelligent Fallback
SMS βž” WhatsApp βž” Voice
βœ“ Auto-routed in 0.8s
We deliver for top global and regional enterprises

The purpose-built platform
for the messaging era

Connect with customers on A2P SMS, Two-Way SMS, WhatsApp API and Verification API - one platform built for enterprise messaging.

A2P SMS SERVICE

Reliable A2P SMS delivery for every business message

Transactional alerts, delivery updates and bulk campaigns via direct Tier-1 carrier routes to 190+ countries with 99.99% uptime SLA.

View A2P SMS Service Page βž”
A2P Enterprise Messaging Infrastructure
⚑ Live API to handset journey
⚑
API Call
v3 REST
πŸ”—
SMPP Bind
Direct Tier-1
πŸ“‘
Carrier
190+ countries
πŸ“±
Handset
βœ“ DLR confirmed
Live throughput10,000 SMS/sec
⚑ Enterprise SLA · Direct operator SMPP 3.4 bind active
UKBD β†’ +447911XXXXXX15:22:03
"Your UKBD verification code is 849201. Valid for 5 minutes. Do not share."
βœ“ Delivered in 0.9s Β· Handset DLR verified
VERIFICATION API

2FA OTP for instant customer security

Generate and verify one-time passwords in under 20 seconds with automatic SMS, Voice and WhatsApp fallback cascade.

View Verification API Page βž”
OTP received and verified
8
4
9
2
0
1
πŸ›‘οΈVerified in 0.9s
SMS β†’ Voice β†’ WhatsApp
Auto-fallback cascade if primary channel fails
A2P SMS LIFECYCLE

Cover every stage of the customer journey

From onboarding alerts to transaction notifications and win-back campaigns - one A2P platform for every use case.

πŸ””Alert
πŸ”‘OTP
πŸ“’Campaign
πŸ“¦Delivery
UKBD
TWO-WAY SMS

Two-Way SMS with automated reply workflows

Collect replies, run surveys and send keyword-triggered auto-responses. Virtual numbers, shortcodes and instant webhooks included.

View Two-Way SMS Page βž”
UKBD Β· Two-Way SMS● Live
Reply YES to confirm your appointment
YES
βœ“ Appointment confirmed! See you Friday at 10am.
1
2
3
WHATSAPP BUSINESS API

WhatsApp Business API for rich customer chats

Meta BSP verified. Green-tick sender profiles, product catalogs, interactive quick-reply buttons and AI bot routing on WhatsApp.

View WhatsApp API Page βž”
META BSP PARTNER Β· WHATSAPP BUSINESS API

Official WhatsApp API &
Enterprise A2P Messaging

Scale customer conversations on WhatsApp with official green-tick verification, interactive message templates, automated AI chatbots, and multi-channel 2FA cascade.

98%WhatsApp Open Rate
Sub-20sOTP Delivery SLA
Meta BSPGreen-Tick Partner
Explore WhatsApp Business API Suite βž”
UKBD
🟒WhatsApp API
πŸ’¬RCS
🌐Web Chat
☎️Voice
πŸ“§Email
πŸ“±A2P SMS
OTP SMS

See exactly how your verification code reaches your customer

Every OTP automatically goes through 5 stages - guaranteed in under 20 seconds.

⚑
API Request
Your app calls the UKBD REST API with the destination number
πŸ”—
SMPP Route
UKBD selects the fastest direct carrier route automatically
πŸ“‘
Carrier Delivery
Message is handed to the mobile operator in milliseconds
πŸ“±
Handset Receipt
Code arrives on the customer's device with a DLR receipt
βœ…
Verified
Customer enters the code and UKBD confirms verification instantly

Why global enterprises choose WhatsApp Business API

Connect with 2B+ active customers on the world's most trusted messaging app with official Meta green-tick verification, interactive templates, automated chatbots, and 98% read rates.

Put customer engagement
on autopilot

Real-time customer conversations with the speed, relevance and precision your business needs - across every channel, around the clock.

Real-time signals

Reach the right customer at the right moment

Trigger messages off live customer activity - order events, OTPs, alerts - automatically.

Live SMS Dispatch Live
πŸ”‘
OTP Verification+447911XXXXX
Sent 0.2s
πŸ“¦
Dispatch Alert+8801XXXXXXXX
Sent 0.6s
🏦
Banking Alert+447700XXXXXX
Sent 1.1s
πŸ“’
Campaign Blast+8801XXXXXXX0
Sent 1.4s
Personalized conversations

Natural chats that actually convert

Two-Way SMS and WhatsApp threads that feel human - with instant webhooks and auto-reply logic.

πŸ›΅
Foodpanda UpdatesActive
Your order #9821 is confirmed and on the way! πŸ›΅
How long will it take?
ETA 14 minutes.
Track live here πŸ‘‰ ukbd.co/track
24/7 intelligent routing

One message. Every channel. Always delivered.

WhatsApp, SMS, RCS, Voice and Web Chat - your message routes to the best-performing channel automatically.

WhatsApp98% read
SMS99.99% delivered
RCS92% opened
Voice87% answered
UKBD
πŸ’¬ WhatsApp
πŸ“± SMS
🌐 RCS
☎️ Voice
πŸ“§ Email

Estimate your monthly cost

Pay only for what you send. Direct operator routes with no hidden fees.

50,000 messages / month

Estimates use blended SMS rates. WhatsApp, OTP and voice priced separately, get an exact quote.

Estimated monthly total
$425
Terms and conditions applied
Effective per-message rate $0.0085 on your selected route

Built for scale and reliability

0Delivery success rate
0Countries covered
0Direct carrier routes
0Median OTP delivery