Bulk SMS
Increase your outreach with Bulk SMS. Deliver personalized messages to your entire audience in seconds, all from one simple platform.
- Send SMS, MMS, and two-way messages from one platform.
- Integrate your CRM and launch campaigns at scale.
- Track delivery, responses, and opt-outs in real time.

Why Businesses Prefer Bulk SMS Over Other Channels?
Bulk SMS is fast, direct, and doesn’t rely on algorithms or internet connections. It’s the simplest way to make sure your message lands where it matters most.
1. Faster Response Than Any Other Channel
SMS has a 95 to 98% open rate, while email sits at roughly 20% open and 6% response. Most messages are read within three minutes. When your message is time-sensitive, SMS is the only channel that keeps pace.

2. Lower Cost Per Engagement
SMS eliminates the need for a design team, printing, or postage, requiring only a message and a contact list. It delivers lower engagement costs than ads, direct mail, or cold calling.
3. Universal Reach, No App Required
SMS works for everyone without requiring app installs or internet access. Your message reaches customers directly on the device they carry all day. That is the kind of reach no other channel offers.

How Does Bulk SMS Work?
Bulk SMS sends one message to hundreds or thousands of recipients at the same time. Here is what happens behind the scenes.
The business uploads a contact list or syncs it from a CRM. The platform cleans the list by removing duplicates and invalid numbers before anything is sent.
The platform connects to mobile carriers through direct routes or aggregator gateways. Each message is sent as an A2P (application-to-person) text. Carrier routing determines delivery speed and reliability.
Messages land on the recipient's phone as a standard text. No app download needed. If two-way messaging is enabled, replies come back to the platform for the team to act on.
What Your Team Gets with CallHippo Bulk SMS?
The right platform saves your team time, connects to your tools, and shows exactly what is working.
Regular SMS touchpoints: account updates, loyalty rewards and early sale access. Keep business visible without overwhelming customers. Months later, when they need you again, you're their first call.
Text reminders about abandoned carts bring customers. Follow-ups after sales calls keep your solution top-of-mind. Checkout reminders prevent customers from dropping off before completing payment.
Individual texts cost far less than ads or direct mail. Automated messaging handles routine confirmations and reminders efficiently while your team focuses on conversations needing personal attention.
People check their phones constantly throughout the day. You send them a message, and they see it within minutes. It also builds trust, keeping them informed and reducing uncertainty about their orders or updates.
See exactly which messages were successfully delivered, which links got clicked, and response times. Learn what messaging truly works and what doesn’t, so you can stop wasting budget on ineffective campaigns.
Text messages bypass spam filters and don’t disappear like voicemails. People almost always read them. Even without immediate replies, your message has landed and been registered with recipients.
Pricing
- 1 Free Phone Number
Get a dedicated phone number for each team member at no extra cost. Share numbers across multiple users for collaborative calling.
- Free WhatsApp Business API
- Voicemail
- Click To Dial
- SMS (Text messages) & MMS
- Everything in Basic + Telephony
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Unlimited Minutes (Includes Both Landline & Mobile Calling)
Shared pool of free calling minutes for your entire team. Valid for manual dialing to standard US/Canada numbers only.
- 100 SMS (Text Messages)
Standard A2P charges apply.
- Basic Report Analytics
- Free Omnichannel Inbox
- Everything in Starter +
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Unlimited Minutes (Includes Both Landline & Mobile Calling)
Shared pool of free calling minutes for your entire team. Valid for manual dialing to standard US/Canada numbers only.
- 500 SMS (Text Messages)
Standard A2P charges apply.
- Call Recordings
- Reports / Analytics
Get detailed insights and summarized analytics on team's calling performance.
- Everything in Professional +
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Unlimited Minutes (Includes Both Landline & Mobile Calling)
Shared pool of free calling minutes for your entire team. Valid for manual dialing to standard US/Canada numbers only.
- 1000 SMS (Text Messages)
Standard A2P charges apply.
- Dedicated Account Manager
- Custom Integrations
- Single Sign On (SSO)
Log in once to access CallHippo and all integrated tools with your company credentials.
- CRM-Based VIP Routing
Route calls automatically to the correct contact/lead owner based on CRM information.
How to Send Bulk SMS with CallHippo in 5 Steps?
Here is the exact process your team needs to follow inside CallHippo. Most teams go live in under 3 minutes.
Sign Up and Access the Dashboard
Sign up and create your CallHippo account. The dashboard opens in your browser, and your team can start building campaigns immediately.
Import Your Contact List
Upload a CSV or sync contacts directly from Salesforce, HubSpot, Zoho, or Pipedrive. CallHippo automatically removes invalid and duplicate numbers.
Write and Personalize Your Message
Use the built-in editor to create and personalize a message. Save templates for campaigns your team sends regularly.
Schedule or Send Immediately
Pick a send time based on your audience’s time zone. Schedule the SMS in advance or send it in seconds with CallHippo.
Track Results and Optimize
Monitor delivery rates, responses, and opt-outs from one dashboard. A/B test message variations and use the data to improve the next campaign.
SMS vs. Email vs. Push vs. WhatsApp: The Real Cost
Open rates tell half the story. Cost per conversion tells the rest. Here is how the channels compare.
| Channel | Avg. Open Rate | Avg. Response Rate | Cost Per Message | Setup Complexity | Audience Reach |
|---|---|---|---|---|---|
| SMS | 90–98% | High | $0.01–0.05 | Low | Universal (every phone) |
| 15–25% | Low | $0.001–0.01 | Low | Requires email address | |
| Push Notifications | 5–15% | Low | Free (platform cost) | Medium (requires app) | App users only |
| WhatsApp Business | 85–95% | High | $0.03–0.08 | Medium | WhatsApp users only |
| RCS | 70–85% | Medium | $0.01–0.04 | High (carrier dependent) | Android, supported carriers |
Quick ROI formula: (SMS revenue minus SMS cost) divided by SMS cost, multiplied by 100. A $500 campaign generating $6,000 delivers 1,100% ROI.
Bulk SMS Use Cases by Industry
Every industry has a use case where SMS outperforms other channels. Here is how teams use it today.
Retail and E-commerce
Retail and e-commerce businesses can use SMS to send flash sale alerts, recover abandoned carts, and share order tracking updates. Each message is designed to directly drive revenue and improve conversions.
Healthcare and Dental
Healthcare and dental providers can send SMS for appointment reminders. They can also send prescription alerts and post-visit follow-ups. A single timely message can help save a high-value appointment slot.
Real Estate
Real estate professionals can rely on SMS to share new listing alerts and send open house reminders. In comparison to email, SMS gets quick responses, which makes a difference in winning a client.
Education
SMS helps educational institutions by delivering emergency alerts to parents and students. It also helps in sending event reminders to students. This ensures communication remains direct, timely, and reliable.
Financial Services
For financial institutions, SMS helps send transaction alerts, two-factor authentication codes, and payment reminders. This enables fast, secure, and real-time communication with customers.
Nonprofits and Churches
Nonprofits and churches use SMS to share text-to-give donation links, coordinate volunteers, and send community updates. It helps such organizations reach and engage with their audience easily.
Bulk SMS Compliance: What You Need to Know
Non-compliance risks fines, blocked numbers, and legal exposure. Get these right before pressing send.
TCPA and A2P Rules
Businesses must obtain consent before sending any marketing messages via SMS. Additionally, 10DLC registration is mandatory for US carriers. If any regulations are violated, it can result in hefty legal penalties.
Opt-In and Opt-Out
You must collect explicit opt-in from every contact before sending messages. Opt-out requests, such as “STOP” keywords, should be processed automatically. Using a double opt-in process is strongly recommended.
Content Best Practices
Every message should clearly identify your brand and include simple opt-out instructions. Avoid using unknown URL shorteners, and ensure messages are sent only between 8 AM and 9 PM based on the recipient’s local time.
Why Choose CallHippo for Bulk SMS?
Most tools handle the basics. CallHippo handles the basics and everything that comes after.
Built for Speed and Scale
CallHippo uses direct carrier routes across 150+ countries to ensure fast delivery. It also achieves over 97% success rates while supporting high-volume messaging.
Live in Minutes, Not Weeks
CallHippo runs on the browser entirely, so no installation is needed. This allows businesses to set up quickly and launch their first SMS campaign the same day without delays.
Transparent Pricing
Choose CallHippo’s flexible pay-per-message pricing with no setup fees. Businesses can also take advantage of a free trial to test the platform before making any commitment.
Enterprise-Grade Security
CallHippo ensures enterprise-grade security with SOC 2, HIPAA, GDPR, and ISO compliance. It offers encrypted message delivery and role-based access controls to protect data.
“Thanks to the CallHippo team, we were able to resolve a tough issue with flagged phone numbers. As an EdTech startup, outbound calls are crucial for us. CallHippo's solution not only improved our attestation score but also boosted our answer rates and overall customer experience.”
Frequently Asked Questions
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Yes. The TCPA requires written consent from every recipient. Include an opt-out option in every message. Register for 10DLC before sending through US carriers. Check local regulations for other countries.
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CallHippo sends thousands of messages per minute through direct carrier routes. There is no practical cap. Larger campaigns take a few extra minutes to complete.
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Yes. CallHippo lets you deliver bulk SMS across 150+ countries. However, pricing might vary depending on the location.
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No. Upload contacts, write your message, and send. With CallHippo, everything runs in the browser, and APIs are available for teams that want custom workflows.