Email open rates keep sliding, but a text still gets read within minutes of landing. SMS marketing software gives businesses the campaign builder, list growth tools, automation, and compliance guardrails needed to treat text messaging as a real revenue channel instead of a one-off blast.
This category runs from Shopify-native, ecommerce-first platforms built purely to drive SMS revenue, all the way to flexible pay-as-you-go tools for local businesses just sending appointment reminders. AI-assisted copywriting and reply automation are standard now across the board, and one vendor has gone a step further with an officially published MCP server for AI-assistant-driven campaign management.
Every pricing, feature, and AI/MCP/API claim here was checked directly against each vendor's official site rather than pulled from secondary review sites, so you can see exactly what's confirmed versus what's just marketing language.
Quick take: EZ Texting is the only platform here with a confirmed official MCP server, announced via press release in 2026. Attentive and Postscript only have third-party MCP connectors, not official ones. SlickText, Textedly, and EZ Texting all publish transparent starting prices under $30/month, while Attentive and Postscript run on usage-based custom pricing.
Why You Need SMS Marketing Software
- Reach customers where they actually respond: Texts get opened and read far faster than email ever does, which makes SMS the right channel for time-sensitive offers and reminders.
- Grow a compliant subscriber list: Built-in opt-in tools — popups, keywords, QR codes — collect consent the right way, keeping campaigns compliant with TCPA and carrier rules.
- Automate behavior-triggered messages: Abandoned-cart texts, welcome series, and win-back campaigns fire automatically, no manual sending required.
- Handle two-way conversations at scale: Shared inboxes and auto-replies let a small team manage thousands of customer conversations without dropping a single message.
- Prove SMS revenue attribution: Built-in analytics tie specific campaigns and messages to actual purchases, not just opens and clicks.
Best 7 SMS Marketing Software in 2026
1. Attentive
Mid-market and enterprise ecommerce brands turn to Attentive for AI-powered SMS and email marketing built specifically around personalizing customer communication at scale.
Pricing: Flexible, usage-based pricing tied to messages sent and subscriber list size — no dollar figures published; see the pricing page for a quote.
Key features:
- Omnichannel messaging across SMS, email, RCS for Business, and push
- Single Customer ID for unified recognition across channels
- List Growth tools with easy sign-up units
- Audience Manager for dynamic segmentation and precise targeting
- 100+ integrations with ecommerce, service, and loyalty platforms
- Attentive AI suite: Campaign automation, Pro analysis, Grow sign-up optimization, and Journeys
AI/MCP Integration: Partially confirmed. A third-party MCP connector for Attentive exists via StackOne, but Attentive itself does not publish an official MCP server. Attentive AI (campaign automation, Pro, Grow, Journeys) is a confirmed native AI feature set.
API Integration: Yes. Attentive documents subscription, messaging, and integration APIs at docs.attentive.com.
Best for: Mid-market and enterprise ecommerce brands that want deep AI-driven personalization across SMS and email together.
2. Postscript
Postscript builds exclusively for Shopify brands, and its whole pitch is treating text messaging as a primary revenue channel rather than an afterthought bolted onto email.
Pricing: Not disclosed — 30-day free trial available; see the pricing page for current rates.
Key features:
- SMS campaign creation, messaging, and list management
- List growth tools including popup editor and onsite opt-in
- In-house legal team for compliance oversight
- RCS messaging from branded profiles
- Infinity Testing that automatically tests hundreds of message variants
- Shopper AI-powered 1:1 shopping assistant
AI/MCP Integration: Partially confirmed. Third-party MCP connectors for Postscript exist via Zapier and other unofficial listings, but Postscript itself does not publish an official MCP server. Postscript AI, Infinity Testing, and the Shopper assistant are confirmed native AI features, reporting an average +20% revenue lift in beta.
API Integration: Yes. Postscript links API documentation from its developer resources.
Best for: Shopify brands that want SMS treated as a dedicated revenue channel with in-house compliance support.
3. SlickText
More than 24,000 brands run on SlickText, which bills itself as "The #1 Rated SMS Marketing Service" and backs that up with transparent, published pricing.
Pricing: Starter at $29/mo (500 credits) up through Enterprise Plus at $939/mo (50,000 credits), all with unlimited contacts and free incoming texts; annual billing gets 2 months free.
Key features:
- Mass texting with personalization and segmentation
- Conversational inbox with team collaboration
- Drag-and-drop automation workflow builder
- List growth via popups, QR codes, keywords, and tap-to-join links
- Campaign performance analytics
- Integrations with Shopify, HubSpot, Salesforce, and Zapier
AI/MCP Integration: No AI features or MCP integration are documented on SlickText's official site as of 2026.
API Integration: Yes. SlickText documents its API at api.slicktext.com.
Best for: Businesses that want fully transparent, published pricing with unlimited contacts on every tier.
4. EZ Texting
EZ Texting runs as a cloud-based SMS and MMS marketing platform for more than 230,000 customers, covering bulk messaging, two-way conversations, and automated campaigns.
Pricing: Launch at $20/mo (billed annually, 500 contacts), Boost at $60/mo, Scale at $100/mo, and Enterprise from $3,000/mo (200,000 monthly credits); 14-day free trial.
Key features:
- Bulk SMS/MMS messaging with unlimited contacts
- Text-to-Pay and Text-to-Give payment links
- Drag-and-drop automated workflows
- 5-6 digit SMS short codes
- Multilingual support across six languages
- AI Reply turning websites, knowledge bases, and PDFs into AI-powered SMS responses
AI/MCP Integration: Confirmed official support. EZ Texting launched an official MCP server (announced via press release, live at mcp.eztexting.com) that lets businesses send texts, review campaigns, manage contacts, and build workflows through natural conversation in Claude, ChatGPT, or Cursor — available to all customers at no extra cost.
API Integration: Yes. EZ Texting documents its API at developers.eztexting.com.
Best for: Teams that want confirmed MCP-based AI-assistant control over SMS campaigns, from small business through enterprise scale.
5. SimpleTexting
SimpleTexting serves more than 17,000 paying customers with a focus on mass texting, two-way conversations, and behavior-based automation.
Pricing: Starts at $39/mo (500 credits, billed yearly), with local numbers, toll-free numbers, and dedicated short codes (from $1,000/mo) as add-ons; 30-day money-back guarantee.
Key features:
- Mass texting and SMS blasts to large contact groups
- Two-way messaging for customer conversations
- Behavior-based automated texts and scheduling
- Opt-in tools including website popups and text-to-join keywords
- Multiple number types: local, toll-free, text-to-landline, dedicated short code
- New AI Assist feature for campaign creation
AI/MCP Integration: No official MCP server was found on SimpleTexting's site at the time of this review. AI Assist, newly launched, is a confirmed but lightly detailed AI feature.
API Integration: Yes. SimpleTexting includes API access on all plans, though a dedicated developer portal wasn't linked prominently from the homepage.
Best for: Businesses that want a full range of number types, including dedicated short codes, with a straightforward pricing calculator.
6. Textedly
Textedly scales from small operations up to enterprises sending 300,000+ messages a month, and — unusually — every plan gets the exact same feature set.
Pricing: Starts at $29/mo, scaling to 360,000+ messages/month; annual plans include 20% more texts per month; no contracts required; 14-day free trial.
Key features:
- Mass SMS and MMS messaging with photo/GIF support
- Automated drip campaigns and scheduled messaging
- Business review automation and SMS text-to-pay
- Contact data enrichment via reverse phone lookup
- 3,000+ integrations via Zapier plus native connections
- AI Voice Agents that handle calls and qualify leads 24/7
AI/MCP Integration: No official MCP server was found on Textedly's site at the time of this review. AI Voice Agents, auto-replies, and AI-generated message copy are confirmed native features.
API Integration: Yes. Textedly references an Open API for custom integrations, though detailed public developer documentation wasn't linked prominently from the homepage.
Best for: Businesses that want identical features across every price tier, including AI voice agents, without upsells.
7. TextMagic
TextMagic combines SMS and email campaigns, shared inbox conversations, and multi-channel automation, all on a pure pay-as-you-go model.
Pricing: Pure pay-as-you-go — no monthly plans; free trial credits available, then prepaid top-ups as used.
Key features:
- Business SMS for alerts, reminders, notifications, and marketing
- AI-powered email campaign templates
- Shared inbox unifying SMS, live chat, and social channels
- Trigger-based automation flows
- Built-in CRM contact management and task tracking
- Multi-channel support across SMS, email, voice, WhatsApp, and Facebook
AI/MCP Integration: No official MCP server was found on TextMagic's site at the time of this review. AI-powered email templates and a feature called Point AI are confirmed, though lightly detailed.
API Integration: Yes. TextMagic documents a public SMS API at docs.textmagic.com.
Best for: Businesses that want pure pay-as-you-go pricing without committing to a monthly plan.
Comparison Table
| Tool | Best For | Starting Price | Standout Feature | AI-MCP Support | API Integration |
|---|---|---|---|---|---|
| Attentive | Enterprise ecommerce personalization | Custom (usage-based) | Attentive AI suite | Third-party MCP only | Yes — docs.attentive.com |
| Postscript | Shopify-exclusive SMS revenue | Custom (usage-based) | Infinity Testing + Shopper AI | Third-party MCP only | Yes — API docs |
| SlickText | Transparent pricing, unlimited contacts | $29/mo | Conversational inbox | None | Yes — api.slicktext.com |
| EZ Texting | Confirmed MCP-based AI control | $20/mo (annual) | Official MCP server | Official MCP server | Yes — developers.eztexting.com |
| SimpleTexting | Full range of number types | $39/mo | Dedicated short codes | None (AI Assist, new) | Yes — API on all plans |
| Textedly | Identical features on every tier | $29/mo | AI Voice Agents | None | Yes — Open API |
| TextMagic | Pure pay-as-you-go pricing | Pay-as-you-go | Multi-channel shared inbox | None | Yes — docs.textmagic.com |
Final Thoughts
AI-assistant control over campaigns matters most to you? EZ Texting stands alone with a confirmed, officially documented MCP server, and it's included free for every customer. Shopify-first ecommerce brands should still weigh Postscript heavily despite the missing official MCP server — it's built that deeply around SMS as a primary revenue channel.
Watching the budget as a local business? Start with SlickText or Textedly — both begin at $29/month with fully transparent, published pricing. Don't want to commit to a monthly plan at all? TextMagic is the fit. And enterprise ecommerce brands running SMS and email together should take a hard look at Attentive.