Text Blast Guide: How Nonprofits Send Mass Texts

Your next giving day is three weeks out. You have 12,000 donors on your list and a single ask that needs to reach all of them before midnight. Email open rates are sitting at 21%. A text blast — one message, one send, thousands of supporters — gets that ask in front of 98% of your audience within minutes.

Text blasts are one of the most effective tools in a nonprofit's communication arsenal, but they only work when you use them at the right moments, with the right content, and within the right compliance guardrails. This guide covers all three.

What is a text blast?

A text blast (also called a mass text, bulk text, or broadcast message) is a single SMS or MMS message sent simultaneously to a large group of recipients. Unlike one-to-one texting or peer-to-peer conversations, a text blast delivers the same message to every subscriber on your list — or a targeted segment of it — at the same time.

Text blasts are built on the same infrastructure as any SMS message. The difference is scale: instead of one message to one person, you're sending one message to hundreds, thousands, or tens of thousands of people in a single action. The message is composed once, the audience is selected, and the platform handles delivery to every recipient on the list.

For nonprofits, text blasts are the broadcast channel. They're how you announce a matching gift challenge, send a last-call donation appeal, share an event reminder, or mobilize supporters around a time-sensitive campaign.

When nonprofits use text blasts

Text blasts work best when timing matters and the message applies broadly. The most common nonprofit use cases include:

Giving days and campaigns

Giving Tuesday, year-end appeals, and organizational giving days rely on urgency. A text blast at 8 a.m. to open the day, a midday progress update, and a final-hours push at 6 p.m. is a proven three-touch pattern. According to GivingTuesday, over $3.1 billion was raised on Giving Tuesday 2023 — and SMS campaigns contributed meaningfully to that total.

Event reminders and logistics

Gala reminders, auction start notifications, registration confirmations, and day-of logistics updates are natural text blast content. The open-and-read speed of SMS (most texts are read within 3 minutes of delivery) makes it the right channel for time-sensitive event communication.

Emergency and disaster appeals

When disasters strike, donors are primed to give but need a clear path. A text blast with a direct donation link reaches your entire list within minutes — faster than email, social media, or direct mail.

Matching gift announcements

"A generous donor is matching every gift 2:1 for the next 24 hours." This message works because it's urgent, universal, and requires immediate action — exactly the profile of a strong text blast.

Advocacy and mobilization

Call-your-representative alerts, petition signatures, and voter registration deadlines all benefit from the immediacy of text blasts. Political campaigns have long relied on broadcast SMS to drive action on tight timelines.

Ready to see how broadcast texting fits your campaigns? Explore momoGood Messaging — built for nonprofits who need reach, speed, and compliance in one platform.

Text blast vs. two-way texting: when to use each

Text blasts and two-way (conversational) texting solve different problems. Understanding when to use each prevents you from overusing broadcasts and underusing conversations.

The strongest nonprofit SMS programs use both. Text blasts drive awareness and action at scale. Two-way texting builds relationships and handles the conversations that follow. For a deeper look at conversational texting, see Peer-to-Peer Texting: A Nonprofit Fundraising Guide.

How to send a text blast: step by step

Sending an effective text blast involves more than composing a message and hitting send. Here's the process from list to launch:

1. Build a compliant subscriber list

Every recipient on your list must have given explicit, documented consent to receive text messages from your organization. This isn't optional — it's federal law under the Telephone Consumer Protection Act (TCPA). Collect consent through web forms, keyword opt-ins ("Text GIVE to 56789"), event sign-ups, and donation forms with a clear texting disclosure.

2. Segment your audience

Not every message belongs in front of every subscriber. Segment by donor status (active, lapsed, major), geography, event attendance, giving history, or interest area. A text blast to 5,000 relevant supporters outperforms a blast to 20,000 disengaged contacts — and costs less.

3. Write a message that earns the tap

SMS messages max out at 160 characters for a single segment. You can go longer (the platform concatenates), but shorter messages perform better. Every text blast should include:

• A clear reason to read (urgency, news, or value)
• A specific ask or call to action
• A link (shortened and tracked) to a landing page or donation form
• Your organization name (required by CTIA messaging guidelines)

4. Time it right

Send during waking hours (typically 9 a.m. to 9 p.m. in the recipient's time zone — some states have stricter windows). Tuesday through Thursday midmorning tends to perform best for fundraising texts. Avoid early morning, late night, and major holidays unless your message is directly relevant to the occasion.

5. Send and monitor

Watch delivery rates, click-through rates, and opt-out rates in real time. A healthy text blast shows 95%+ delivery, 10-30% click-through (depending on the ask), and under 1% opt-out. If opt-outs spike, your message or frequency needs adjustment.

For a complete walkthrough of your first campaign, see How to Create Your First Nonprofit SMS Campaign.

Text blast best practices for nonprofits

The difference between a text blast that raises $50,000 and one that triggers a wave of opt-outs often comes down to a few practices:

Respect frequency

Most nonprofits should send 4-8 text blasts per month during active campaign periods and 2-4 during quiet months. More than that risks fatigue. Track your opt-out rate per message — if it climbs above 1%, you're sending too often or the content isn't landing.

Personalize within broadcasts

Merge fields let you address donors by name, reference their last gift amount, or acknowledge their event registration — even in a broadcast. "Sarah, your $100 gift last month helped 12 families. Can you give again before Friday?" performs materially better than a generic ask.

Use SMS and MMS strategically

Plain text (SMS) is fast, cheap, and universally deliverable. Multimedia messages (MMS) with images or GIFs grab attention but cost more and load slower on older devices. Use MMS for campaign launches, event invitations, and impact stories. Use SMS for urgent appeals and time-sensitive updates.

Always include an opt-out path

Every message must include a way to opt out ("Reply STOP to unsubscribe"). This is both a legal requirement and a trust signal. Making it easy to leave makes people more comfortable staying.

Test before you blast

Send a test message to yourself and your team before every blast. Check that links work, merge fields render correctly, and the message reads naturally on a phone screen — not just in the compose window.

Need AI-powered help writing messages that convert? momoGood's Message Composer generates on-brand fundraising texts with one click — then lets you A/B test them to find what works.

Compliance: staying legal with mass texting

Text blast compliance is non-negotiable. Violations of the TCPA can result in penalties of $500 to $1,500 per unsolicited message — and class-action lawsuits have produced settlements in the tens of millions.

The rules that matter most

• Prior express written consent: You need documented permission before sending any marketing or fundraising text. A checked box on a donation form counts if the disclosure language is clear.
• Clear identification: Every message must identify your organization by name.
• Opt-out compliance: Honor STOP requests immediately. "Immediately" means within the same messaging session — not within 24 hours.
• Quiet hours: The TCPA prohibits calls and texts before 8 a.m. and after 9 p.m. in the recipient's local time. Some states (like Florida and Oklahoma) have stricter windows.
• 10DLC registration: If you're sending on a 10-digit long code (standard phone number), you must register your brand and campaigns with The Campaign Registry. Unregistered traffic faces throttling and filtering.

For a comprehensive compliance overview, see momoGood's TCPA Compliance Guide and 10DLC and Short Code Registration.

How momoGood makes text blasts better

momoGood Messaging is purpose-built for nonprofit text blasts — not adapted from a generic business SMS tool. Here's what that means in practice:

• Compliance built in: Automatic opt-out handling, quiet-hours enforcement, consent tracking, and 10DLC registration support. You don't have to remember the rules — the platform enforces them.
• Smart segmentation: Segment by giving history, event attendance, engagement score, geography, and custom tags. Send the right message to the right donors without manual list management.
• AI message composer: Generate fundraising text messages in seconds with momoGood's AI Message Composer. Set the tone, specify the ask, and get multiple variants to test — no copywriter required.
• A/B testing: Test two message variants against a holdout group, then automatically send the winner to the rest of your list. Know what works before you commit your full audience.
• Real-time analytics: Watch delivery, open, click, and donation metrics in real time as your blast goes out. See which segments respond and which don't — then adjust your next send.
• Connected platform: momoGood isn't just texting. Text blasts work alongside events and auctions, text-to-give, and donor management in one platform. A donation that comes in from a text blast links to the same donor profile as their gala bid and their workplace giving participation.

For a comparison of nonprofit texting platforms, see Best Nonprofit Texting Services.

Frequently asked questions