SMS Bulk Messaging 101 | Twilio
Mar. 03, 2026
SMS Bulk Messaging 101 | Twilio
SMS Bulk Messaging 101
Let’s face it: as we are becoming a mobile-first society, virtually everybody everywhere is familiar with text messaging. That’s why businesses are quickly adopting texting as an alternative – and more intimate – way to connect with customers. With the advent of Simple Message Service (SMS) Bulk Messaging, making these connections is even easier. Businesses can now cost-effectively and simultaneously send timely and straightforward messages to thousands (or even millions) of customers. And just because these texts are sent in bulk, they can still retain a surprising amount of personalization and urgency.
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What is bulk SMS?
Bulk SMS messages, or text blasts, allow businesses to communicate with customers en masse, whether sending a promotional message or asking for feedback. With an average SMS open rate of 94%, SMS marketing can improve the likelihood that your recipients read and interact with your message while also allowing you to circumvent customers’ crowded inboxes. Plus, taking a one-to-many approach to your SMS marketing campaigns can help you to save time, money, and effort building a campaign without sacrificing results.
Brands use bulk SMS messages to send a variety of communications, like promotions and deals, product releases, appointment reminders, shipping updates, contests, feedback surveys, emergency updates, and more!
These types of bulk SMS messages can help you reach potential customers and engage longtime loyalists. Just remember, you need your recipients’ explicit permission to text them to ensure your business remains compliant with industry sending guidelines. You’ll also want to let your subscribers know what they’re signing up for, how often they should expect to hear from your brand, and that they’ll be responsible for any applicable message and data rates.
What is the benefit of bulk SMS?
Sending bulk SMS messages allows you to reach and engage a large number of recipients at once. It can be a great way to spread awareness of a limited-time offer, a new product or service release, a company announcement, and more. By using highly targeted lists (or messages that appeal to a large audience), you can send the same message to hundreds or even thousands of recipients and still see fantastic results.
For example, if a retail company wants to advertise its Black Friday sale, it can text its recipients, “Black Friday starts now! Save 50% on EVERYTHING + free shipping on all orders. Use code BF50 at checkout!” While this bulk SMS message is most likely generic enough to send to the retailer’s entire subscriber base, it might not garner the attention or engagement the business might want.
Instead, segmenting its list out further to send more personalized messages might prove more fruitful at driving site traffic and sales. For example, the company might choose to send its most loyal customers a message that reads, “You’re a Black Friday VIP, (First Name)! VIPs get exclusive access to our BF deals 24 HOURS EARLY. Stock up on your favorites now + get 50% OFF.” Or, send a targeted message to users who only shop for women’s clothing, like “Black Friday is here! All women’s apparel is 50% OFF + free shipping. Stock up on essentials like coats & cardigans now! Use code BF50 at checkout.” This allows you to leverage the convenience of sending messages en masse while still catering your messages to your intended audience.
While SMS can be an effective marketing channel for your business, you’ll want to use it responsibly, as many customers prefer that their text messages inboxes remain exclusively for their family and friends. To ensure you only engage users on your SMS list, consider implementing a double-opt-in confirmation so that recipients don’t sign up for your texts by mistake.
You’ll also want to be careful not to spam your users. Our Global Messaging Engagement Report revealed that global recipients are fairly divided on how often they’d like to receive promotional SMS messages, with 29% preferring a text once a day and 29% opting for a message just once a week. Just be wary of over-messaging your lists, as message frequency was the top factor to turn recipients off from receiving promotional SMS/MMS messages.
Who is Using Bulk SMS Messaging and Why?
Bulk Messaging, also known as Mass Texting, is employed by enterprise firms, member-based organizations, media companies, and financial institutions who have discovered that Short Message Service messaging (SMS Messaging) can increase customer engagement, successfully promote products and services, and be used to deliver time-sensitive alerts and notifications to their subscribers.
SMS messaging provides businesses with a more direct method to communicate with customers on the devices they turn to everyday. With over 2.4 billion SMS-capable smartphones in use around the globe, nearly every business has been given the opportunity to amplify their customer reach through Bulk SMS Messaging.
Mass Texting In-Action
As a mass communication tool, SMS messaging offers businesses looking to disseminate timely information with many definitive advantages. As you consider scenarios in which SMS Bulk Messaging could meet your needs, here are four real world examples of businesses that have successfully used this messaging solution to communicate with customers succinctly and effectively, in one simple send.
Xoom: Digital Money Transfer Provider Uses SMS for Real-time Transaction Notifications
Xoom, a member of the PayPal family, is a digital money transfer provider who helps consumers send money, pay bills, and reload prepaid mobile phones for family and friends around the world. With the use of Mass Texting, Xoom sends both the sender and the recipient a real-time transaction notification which, in turn, provides peace of mind and eliminates the need for follow-up.Results: Bulk Messaging has been used to effectively send transaction notifications to over 1.4 million people in 33 countries.
Walmart: International Retailer Sends Daily Promotions Directly To Consumers Phones
Walmart, the world’s largest brick-and-mortar retailer, offers a “Value of the Day” item to all of its customers. These are special discounts that Walmart shoppers can redeem for a limited time. In addition to traditional marketing methods, such as in-store announcements, customers are encouraged to sign up to receive these deals on their mobile phones.Results: Walmart sends “Value of the Day” notifications via bulk text message to all subscribing customers, providing each with a new incentive to visit their local Walmart store daily.
PayByPhone: Global Payment Service Notifies Consumers of Expiring Parking Meters
PayByPhone is a mobile payments service processor providing customers in Europe and North America with an easy way to a pay for parking. PayByPhone’s unique application uses SMS Bulk Messaging to send one-way notifications to motorists five minutes before their parking time expires, thereby allowing them to conveniently avoid a parking ticket by adding time without the bother of returning to their vehicle.Results: PayByPhone helps customers avoid parking fines by sending 2+ million time-sensitive messages each month.
Sprint: Ad Agency Builds Brand for Telecom Company with Inventive Text Marketing
When Sprint wanted to rebrand themselves with a new “All. Together. Now.” campaign, their advertising agency, Goodby Silverstein & Partners, knew it would be difficult to break through the media and advertising clutter. Their idea was to celebrate what Sprint users do with their mobile devices – talk, text, , post videos – and encourage even more fun, uplifting social interaction. Sprint used SMS Bulk Text Marketing to ask users to call, text, or Veatrice Henson, who was celebrating her 100th birthday. Results: Sprint customers from all around the world sent Veatrice over 500,000 calls and text messages wishing her a “Happy Birthday.”
Even though each of these four businesses deployed SMS Bulk Messaging in a different way, they had one thing in common — they chose to use a cloud-based messaging solution.
How can I send a bulk SMS?
Ready to send your first bulk SMS message but not sure where to get started? Follow this step-by-step guide, and you’ll be sending high-volume text messages in no time.
1. Grow an audience
To start, you’ll need a contact list of recipients who have explicitly permitted you to message them. Start growing your SMS subscriber list by placing an opt-in form on your website or encouraging your prospects and customers to text a keyword (like “Join” or your company name) to a mobile number or short code. You can also send a double-opt-in message to confirm their subscription and ensure you only have interested users on your list.
2. Find an SMS service provider
Next, you’ll need to find an SMS service provider to help you send your bulk SMS message. With Twilio’s Programmable Messaging API, you can easily send SMS messages to every subscriber on your list. Not only can you send messages quickly and easily, but you can also get access to our robust library of documentation, sample code, and developer tools to help you build exactly what you want—fast. Plus, we’ll handle carrier and global regulations, so you can focus on reaching your customers and crafting the perfect bulk SMS message.
3. Get a short code
If you rely on long code (or a 10-digit number) to send more than a few hundred messages a day, your messages could end up in the spam folder. That can be a problem when trying to send bulk SMS messages.
Instead, short codes (or 5- or 6-digit numbers) are preapproved by carriers to have a high throughput and aren’t subject to carrier filtering, allowing you to send and receive bulk SMS/MMS messages more effectively. You can easily buy short codes from Twilio if your brand doesn’t have any or port existing numbers to the Twilio platform to get right to sending. Twilio also offers volume discounts for SMS and short code SMS messages if your monthly sends exceed 500,000 to 4.5 million messages so that your business reliably reaches your customers and at a reasonable price.
4. Craft your message
Once you’ve found a bulk SMS service provider and procured a short code, you’re almost ready to send. All that’s left is to choose which audience you’re sending to and draft your message. While this part sounds simple, don’t rush it. Every text blast you send should be meaningful and provide value to your subscribers, so they remain engaged and loyal to your brand. If you need some inspiration to get your bulk SMS message started, check out our text blast writing best practices in the next section.
5. Send it
Lastly, it’s time to send your message to the world. Using your service provider of choice, you’ll need to set your recipient, sender, and content parameters. Your recipient list will be who you’re sending to, while your company’s long or short code will be your sender. As you may have guessed, your SMS content consists of the full text message or media content you want to include in your SMS/MMS message. Once you have all this information prepared, you’re ready to hit “Send,” sit back, and start tracking the message’s performance. To help, here’s a simple example for sending programmable SMS text or picture messages.
Prefer a step-by-step guide to sending your first message with Twilio? Check out our Programmable SMS quickstart guide in your preferred language: C#, Java, Node.js, PHP, Python, or Ruby.
How do I write a bulk SMS message?
While writing a bulk SMS message might require a bit more attention and effort than texting your mom or a friend, it should be a relatively easy and painless process. To help you create text blasts that add value to your customers and entice them to convert to a sale, here are a few bulk SMS best practices to follow.
1. Understand your audience
Before you start writing, pick a goal for your message and put yourself in your audience’s shoes. Ask yourself: “Will my whole audience want to receive this message, or should I only send it to certain recipients?” “Is this message intrusive, or will it provide value to my subscribers?” Once you’ve narrowed down what audience segment to send to, then you can move forward to drafting the copy of your bulk text message.
2. Keep it short
Your customers are busy, so you’ll want to keep your message short and sweet. Another reason to remain concise is that sending SMS messages comes with a 160 GSM-7 character limit. If you can’t cut down your copy, your bulk SMS service provider will have to split your text across multiple messages. While this isn’t necessarily bad, receiving multiple messages might annoy some of your recipients and push them to unsubscribe.
3. Have a clear CTA
Each message you send should have one clear goal for your business and one intended action for your recipients. For example, don’t ask your customers to RSVP to an event and check out your new product release. Stick with one ask so your audience doesn’t get confused and your message doesn’t get watered down. In addition to providing a link to your website for recipients to learn more, you can also ask them to reply with a keyword, like “Text RSVP to let us know you’re coming!”
4. Identify your brand
Most customers are wary of receiving texts or clicking links from unknown numbers. Make your messages easily identifiable and trustworthy by including your business’ name or initials and ensuring your content’s tone and visuals (if you include an image or GIF) are on-brand. That way, your customers know the message comes from your business and will be more likely to engage with it.
5. Track your results
Like any good marketer, you’ll want to track the performance of your bulk SMS messages and see what content resonates with your audience. You can learn what messages and offers your customers like to receive so you can replicate and refine these results time and time again. Plus, you’ll also want to track the delivery status so you can understand what percentage of your messages are accepted, delivered, received, and more.
Bulk SMS Messaging Made Easy With The Cloud
There’s much to consider when integrating a mass notification solution within your customer management software. Augmenting your communications program and platform with mass texting, whether as a customer service enhancement or a marketing tool, requires specialized software. To ensure the best customer experience possible, explore the use of cloud communication APIs to deploy your SMS Messaging solution. Here are four reasons to consider Bulk SMS Messaging activities with a trusted cloud-based service:
1. Extensive Global Reach: A reliable global carrier network is one of the most compelling reasons businesses turn to a cloud provider. Why? Because reputable cloud providers have established relationships with worldwide telecom providers, and have the experience of delivering billions of messages globally, giving them the ability to adjust routes in real-time to avoid delays and delivery issues. Be sure that your provider offers multiple routes to the major carrier networks, and has redundant carrier interconnects for each mobile subscriber. This will help ensure your messages get delivered in the timeframes and timezones you require.
2. Flexible Pricing Model. Before beginning any type of capacity planning or estimation of customer reach, look for a cloud provider that offers a pricing model that can scale as your business needs grow. There are cloud providers that offer simple usage-based models so you that only pay for what you send. In addition to program scalability and pay-as-you-go plans, look for the flexibility to secure volume discounts as you expand your reach and use of the service. If your campaigns could conceivably fluctuate from 1,000 to a million sends, be sure you only pay for the volume you use. Don’t contract for any more than that amount.
3. Robust Software Features: Another great benefit of working with a cloud providers is that they typically provide other communication solutions beyond Bulk SMS Messaging. Instead of sending a word-based text, innovative businesses are sending Multimedia Message Services (MMS) as well. MMS allows you to be a bit more inventive with your mass communications by sending emojis, calendar invites, polls, surveys, and picture messages. Marketers, in particular, are embracing new cloud communication platforms to also seamlessly integrate additional communication apps such as Voice, Chat, Facebook Messenger, and others.
Bulk Text Messaging Explained [ Guide]
Businesses are constantly on the lookout for effective ways to reach their audience with precision. Enter bulk text messaging—a dynamic tool that's rapidly transforming the landscape of modern marketing. Imagine being able to send a single message to thousands of recipients at once, ensuring your marketing campaigns are not only timely but also impactful. In this blog post, we'll dive into how to send bulk text messages, exploring its importance and effectiveness in today’s marketing strategies. Let’s explore how this powerful tool can elevate your marketing game and drive your success.
Table of Contents
What is Bulk Text Messaging?
Is Bulk Text Messaging Legal?
Benefits of Bulk Text Messaging
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How to Send Bulk Text Messages
Use Cases for Bulk Text Messaging
What is Bulk Text Messaging?
Definition and Explanation
Bulk text messaging refers to the process of sending a single text message to a large group of recipients simultaneously. This communication tool is designed to streamline the distribution of important information, promotional content, or updates to numerous individuals at once, making it an efficient way to reach a broad audience with minimal effort.
Texting platforms allow users to send and receive text messages instantly over the internet. Key features often include real-time messaging, multimedia sharing, and group chat functionalities.
Is Bulk Text Messaging Legal?
Bulk text messaging is subject to specific legal regulations to ensure consumer protection and privacy.
Compliance and Regulations
The legality of bulk SMS largely hinges on compliance with established regulations. In the United States, the Consumer Protection Act (TCPA) governs text messaging practices. It mandates that businesses must obtain explicit consent from recipients before sending marketing messages. This consent must be clear and verifiable, and recipients should have the option to opt out of future communications easily. Failure to comply with TCPA regulations can result in substantial fines and legal issues.
Benefits of Bulk Text Messaging
High Open and Response Rates
Bulk text messaging stands out for its remarkable effectiveness in reaching audiences quickly and directly. One of its most significant advantages is its high open and response rates. Studies show that SMS messages have a staggering 98% open rate, far surpassing and other communication channels. This high engagement is largely due to the immediate and personal nature of text messages, which are typically read within minutes of receipt.
Cost-Effectiveness
Bulk text messaging offers exceptional cost-effectiveness, making it a smart choice for businesses looking to maximize their marketing budgets. With bulk SMS, you can reach thousands of recipients at a fraction of the cost of print, TV, or digital ads. With the high open and response rates associated with SMS, your investment is likely to deliver significant conversions. This combination of affordability and effectiveness makes bulk text messaging a valuable and economical option for any marketing strategy.
Immediate Delivery
Unlike or direct mail, which can be subject to delays and varying delivery times, SMS messages are sent and received almost instantly. This rapid delivery makes it ideal for time-sensitive updates, urgent notifications, or flash promotions. The immediate nature of SMS allows businesses to engage with their audience promptly, driving quick responses and keeping communication timely and relevant.
Wide Reach
With just a few clicks, businesses can send messages to thousands of recipients, making it an ideal solution for campaigns requiring broad and rapid dissemination. This wide reach ensures that important updates, promotions, or alerts can be delivered to your entire target audience simultaneously, maximizing visibility and impact. Whether you're launching a new product or conducting a time-sensitive survey, the ability to quickly connect with a large number of people helps drive engagement and achieve your communication goals.
How to Send Bulk Text Messages
Building Your Contact List
A well-maintained list not only ensures that your messages reach a receptive audience but also helps you comply with regulations and build trust with your subscribers. To grow your list effectively, start by offering value—whether through exclusive content, special offers, or helpful updates. Make it easy for users to subscribe by providing clear, straightforward options and always prioritize transparency about how their information will be used. Regularly clean your list to remove inactive contacts and keep your communications relevant and engaging. By focusing on these strategies, you'll create a dynamic and responsive contact list that supports your messaging goals and fosters positive connections.
Choosing an SMS Service Provider
Choosing the right SMS service provider is essential for maintaining smooth, effective communication with your audience. When evaluating options, consider key features such as scalability, reliability, and ease of integration with your existing systems. Look for a provider that offers robust security measures to protect your data and complies with industry regulations. Additionally, assess their customer support and reporting capabilities, as these will help you troubleshoot issues and analyze campaign performance. By prioritizing these features, you can select a provider that aligns with your needs and supports your messaging goals.
Crafting Your Message
Crafting effective bulk SMS messages requires clarity, brevity, and a strong call to action (CTA). Keep your messages concise and to the point, focusing on delivering your core message quickly to engage recipients who may be on the go. A clear CTA is crucial—it directs recipients on what to do next, whether it's visiting a website, replying to the message, or taking advantage of an offer. Make sure your CTA stands out and is easy to follow.
Sending Your Message
Start by segmenting your audience to ensure your message reaches the right people with relevant content. When setting up your bulk SMS campaign, pay attention to the timing and frequency of your messages. Optimal timing depends on your audience's habits, so consider when they are most likely to engage with your content. Additionally, avoid overloading recipients with too many messages, as this can lead to opt-outs and decreased engagement. Striking the right balance between frequency and relevance will help you maintain a positive relationship with your audience and maximize the impact of your messaging.
Tracking and Analyzing Results
Tracking and analyzing SMS campaign performance is vital for understanding the effectiveness of your messaging strategy and making data-driven improvements. Key metrics to monitor include delivery rates, open rates, click-through rates, and response rates, as these indicators provide insights into how well your messages are being received and acted upon. Additionally, analyzing opt-out rates can help you gauge the relevance of your content and adjust your approach accordingly. By regularly reviewing these metrics, you can refine your strategies, optimize future campaigns, and ensure that your messaging continues to resonate with your audience.
Use Cases for Bulk Text Messaging
Promotions and Discounts
Bulk SMS is a powerful tool for driving promotions and discounts, offering a direct way to reach your audience with timely, actionable messages. For example, you can send exclusive discount codes to subscribers, announce limited-time sales, or promote special offers like buy-one-get-one-free deals. By leveraging bulk SMS for your promotional campaigns, you create a sense of urgency and exclusivity that encourages immediate action and strengthens customer loyalty.
Event Notifications
Bulk SMS is an effective way to keep your audience informed about upcoming events, so they never miss out on important dates. Whether you're hosting a webinar, a product launch, or a special sale, sending timely SMS notifications helps capture attention and drives attendance. Personalize your messages with event details, dates, and a clear call to action to encourage quick responses. Utilizing bulk SMS for event notifications can enhance engagement, increase participation, and keep your audience excited about what’s coming next.
Reminders and Alerts
Sending appointment reminders and important alerts via bulk SMS can significantly improve customer engagement and reduce no-shows. SMS reminders are direct and timely, ensuring that your audience receives crucial information such as upcoming appointments, deadlines, or payment due dates. Tailor your messages with clear details and actionable instructions to enhance effectiveness. By leveraging bulk SMS for reminders and alerts, you not only streamline communication but also foster a more organized and responsive relationship with your customers.
Customer Surveys and Feedback
Gathering customer feedback through SMS surveys is a highly effective way to gain valuable insights and enhance your service offerings. SMS surveys offer a quick and convenient method for customers to share their opinions, with higher response rates compared to traditional survey methods. Keep your surveys short and focused to encourage participation, and include a clear call to action to guide respondents.
Benefits of Bulk Text Messaging with Textedly
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