Send SMS Online

Sending bulk quanitites of SMS online is easy using Sign-Up.to's powerful SMS gateway.

To ensure high quality, fast, reliable delivery of SMS messages we created our own bulk SMS gateway software in-house, giving us complete control. We only route messages through high quality networks with full support for delivery receipts, concatenated messages and ported numbers, so you can be confident in your delivery rates.

You can manage bulk SMS messaging either using our secure online tools (hosted on our own hardware platform) or through our HTTP-based SMS API service if you wish to connect directly to your own applications.

Our online tools make managing thousands, or even millions of mobile numbers simple, with unlimited lists and storage of additional profile data to allow for personalisation and segmentation.

We offer highly competitive rates for UK bulk SMS messaging, with no expiry of credits and substantial discounts for large purchases. International bulk SMS sending is also supported, please contact us for country specific quotes.

We ensure your legal obligations are met by keeping data stored securely in line with Data Protection requirements and by providing a full 2-way unsubscription service as standard.

You can try our bulk SMS service free of charge and we'll even throw in 25 SMS to get you started.

Pricing & free trial