NEW ยท v3 Global A2P SMS & WhatsApp Business API: Get test credits when you sign up today
๐Ÿ’ฌ Inbound & Virtual Numbers

Interactive
Two-Way SMS

Turn one-way SMS blasts into two-way customer threads. Collect feedback, automate keyword replies, and forward inbound messages to your server with instant webhooks.

โšก Interactive 3-Step Reply Pipeline
1
2
3
๐Ÿ’ฌ
Inbound Shortcode+447700900123
"Reply YES to confirm your appointment tomorrow at 10 AM."
"YES" 14:02 โœ“โœ“
โšก Auto-Reply Sent ยท Webhook Executed (200 OK)

Engage customers in real-time conversations

Transform standard broadcasts into interactive, revenue-driving conversations.

๐Ÿ“ž

Virtual Long Codes

Provision dedicated local and international virtual numbers (MSISDN) in 40+ countries for inbound SMS campaigns.

โšก

Instant Webhook Forwarding

Inbound SMS replies are posted immediately to your server's HTTPS webhook URL with JSON payloads.

๐Ÿค–

Keyword Rules Engine

Set automated auto-reply triggers based on customer reply keywords like YES, HELP, STOP, or custom product codes.

๐Ÿšซ

Automated Opt-Out & STOP

Automatic unsubscribe handling maintains compliance by blocking future sends to opted-out contacts.

๐Ÿ“ฅ

Shared & Dedicated Shortcodes

Run high-profile national promotional campaigns using 5-digit shortcodes with high throughput capacity.

๐Ÿ’ฌ

Multi-Agent Thread Inbox

Escalate customer replies from automated bots to human support agents seamlessly within the UKBD portal.

Receive Inbound SMS Replies via Webhook

Our gateway posts JSON payloads to your application whenever a customer replies.

// Incoming HTTP POST Request to your Webhook Endpoint
{
  "event": "inbound_message",
  "message_id": "msg_in_849201",
  "from": "+447958165346",
  "to": "+447700900123",
  "text": "YES",
  "keyword": "YES",
  "timestamp": "2026-08-02T23:40:00Z"
}

Two-Way SMS FAQs

How fast are inbound SMS webhooks triggered?
Inbound webhooks are posted to your target server within 200 milliseconds of the mobile carrier delivering the reply to our gateway.
Can I rent dedicated virtual numbers for Two-Way SMS?
Yes! Dedicated virtual numbers (Long Codes) are available instantly in the UKBD console for monthly or annual rentals across 40+ countries.
How does keyword auto-reply routing work?
You can configure automated rules in your console. For example, if a customer texts "INFO", our system sends an instant pre-set template reply without requiring server code.

Build interactive Two-Way SMS workflows today

Provision your first virtual number and configure instant webhooks in minutes.

Get Started Free