Smstools
European SMS gateway and messaging platform for SMS, WhatsApp and voice
Smstools is a messaging platform founded in 2004 in Belgium, providing businesses with a way to reach customers across SMS, WhatsApp, voice, and email-to-SMS channels. It addresses the need for reliable, scalable business communication, from marketing campaigns and bulk messaging to authentication codes, emergency notifications, and two-way conversations.
The platform offers an SMS Gateway with scalable infrastructure, a web-based SMS software interface, a WhatsApp Business API, automated voice messages, email-to-SMS, virtual mobile numbers, SIM hosting, and a white-label reseller programme. Developers can integrate via a REST API with SDKs for PHP, Node.js, Ruby, Python, and PowerShell, along with webhooks for delivery reports and inbound messages. Integrations include Zapier, Make, n8n, an MCP Server for AI assistants, and direct connections to platforms such as HubSpot, Slack, Microsoft Teams, and various CRM, HR, and school administration tools.
Smstools serves businesses of varying sizes across sectors including retail, software, finance, government, education, healthcare, and events. It is packaged on a usage-based model where customers pay for what they use, with no contracts, and offers reseller and white-label options for agencies and partners.
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