Smstools
Smstools: A flexible SMS API platform with strong automation and two-way messaging tools. Ranked #7 of 36 in SMS Gateway Software by our editors (8.3/10); pricing: Free plan; best for developers wanting a freemium API platform.
At a glance
- Editor score8.3 / 10
- PricingFree plan
- Best forDevelopers wanting a freemium API platform
- Free planYes
- Paid from$0.03/unit usage-based
- Two-way messagingYes
- Founded2004 · Dilsen-Stokkem, Belgium
- Facts checked20 Sep 2026
Where it wins
- Free plan with REST API access and five official SDKs
- Two-way SMS, inbound webhooks and real-time delivery reports
- Integrations include Zapier, Salesforce, HubSpot and Shopify
Where it doesn't
- Pricing varies by destination country and message volume
- U.S. message pricing is usage-based rather than subscription-based
- The platform is proprietary rather than open source
Our verdict on Smstools
Smstools is a cloud-based business messaging platform for sending and receiving SMS through web software or REST APIs. It is aimed at developers, businesses and IT teams that need transactional notifications, marketing campaigns, bulk messaging or two-way communication. Its feature set covers contact and group management, personalized campaigns, virtual SMS numbers, email-to-SMS and automated messaging, with infrastructure hosted in Europe and coverage across international mobile networks.
The published plans show a freemium structure. The Standard software and API plan includes software and API access, with SMS charges applied separately. U.S. SMS is listed at $0.025 per message, with pay-per-use and volume-based pricing. A U.S.A. virtual mobile number plan supports receiving SMS online and two-way SMS communication. Pricing varies by destination country and message volume, so organizations sending internationally should evaluate costs by market before selecting the service. Integrations with Zapier, Make, n8n, Slack, Microsoft Teams, HubSpot, Shopify, Salesforce, Mailchimp, ActiveCampaign, Klaviyo and Gmail broaden its fit across sales, commerce, support and marketing workflows.
For developers, the REST API supports sending and receiving SMS, while official SDKs are available for PHP, Node.js, Python, Ruby and PowerShell. Delivery reports, real-time message status, inbound SMS and reply webhooks provide the event handling needed for notification and response workflows. Contact management and campaigns add operational tools beyond a narrow messaging endpoint. Smstools suits teams seeking an API-first platform with a free entry point and optional business messaging features. It is less suitable for organizations that require open-source software or a single predictable price across international destinations.
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Smstools pricing
All 3 Smstools plans and prices →
Smstools fact sheet
| Free plan | Yes |
|---|---|
| Paid from | $0.03/unit usage-based |
| Two-way messaging | Yes |
| Delivery reports | Yes |
| Inbound SMS | Yes |
| Contact management | Yes |
| API access | Yes |
| Included user seats | Not verified |
| Deployment | Cloud |
| Platforms | Web |
| Compliance & security | GDPR |
| Support | Email, Phone, Docs · 24/7 |
| Built for | Small business, Mid-market, Enterprise (editorial estimate) |
| Integrations | 50+ integrations: Zapier, Make, n8n, Slack, Microsoft Teams, HubSpot … See all → |
| Pricing | Free plan (source) |
| Website | smstools.com |
| Facts checked | 20 Sep 2026 |
Smstools integrations
Smstools lists 50+ integrations on its own site — the 12 named here are the ones its pages call out.
- Zapier
- Make
- n8n
- Slack
- Microsoft Teams
- HubSpot
- Shopify
- Salesforce
- Mailchimp
- ActiveCampaign
- Klaviyo
- Gmail
See all Smstools integrations →
Alternatives to Smstools
- CM.com SMSA mature SMS gateway for two-way messaging, analytics, APIs, and business integrations.9.3
- Sinch EngageA broad engagement platform for marketing teams, with higher entry pricing than basic gateways.9.1
- TextmagicA messaging platform for permission-based SMS operations beyond basic gateway connectivity.8.8
See all Smstools alternatives →
Smstools vs the competition
- Smstools vs CM.com SMS
- Smstools vs Sinch Engage
- Smstools vs Textmagic
- Smstools vs SMSAPI
- Smstools vs SMSLink
- Smstools vs BulkSMS.com
Compare Smstools with any tool side by side →
Also Ranked In
Smstools is ranked in 2 of our directories.
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Featured on iTechGuides
Smstools is listed in our SMS Gateway Software directory. Add the badge to your site — it links back to this page.
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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