SendSeven

SendSeven is a unified messaging platform that brings WhatsApp, Telegram, SMS, Email, Facebook Messenger, Instagram DM, and Live Chat into a single inbox, a single API, and a single campaign builder.

Unlike tools that focus on just one channel or just the API layer, SendSeven combines everything in one product:

Multi-Channel Inbox Every customer message — whether via WhatsApp, Telegram, Instagram, or Email — lands in one shared team inbox. Assign conversations, add internal notes, tag contacts, and collaborate in real time. No more switching between tabs or losing context across channels.

Campaigns & Newsletters Send WhatsApp broadcasts, SMS campaigns, email newsletters, and Telegram messages from one campaign builder. Segment audiences by tags or custom fields, schedule sends, run A/B tests, and track delivery and engagement across all channels. Pay only for messages sent — no per-user fees, no monthly minimums, no wasted credits.

AI-Powered Customer Support Built-in AI chatbot that learns from your knowledge base, uploaded documents, and past conversations. Four hybrid modes: fully automatic, AI-first with human escalation, human-first with AI suggestions, or time-based (AI after hours, humans during). Smart handoff ensures customers always reach a real person when needed.

Developer-Friendly REST API Send and receive messages across all seven channels with a single API endpoint. Real-time webhooks for delivery receipts, incoming messages, and status updates. Compatible with MCP-based AI agents (Claude, GPT, Cursor). Detailed docs and 100 free test messages to start in minutes.

Key Features: • 7 channels (WhatsApp Business API, Telegram, SMS, Email, Messenger, Instagram, Live Chat) • Shared team inbox with assignments, tags, and internal notes • Multi-channel campaign builder with segmentation and scheduling • AI chatbot with knowledge base integration and hybrid automation • Team chat for internal communication (channels and DMs) • Contact management with custom fields, lists, and import/export • Analytics dashboard with message costs, delivery rates, and performance • Browser push notifications and embeddable newsletter widgets • Webhooks and full REST API for custom integrations • Zapier, Make, and n8n for no-code automation

Pricing & Security No per-user fees — invite your entire team at no extra cost. Unlimited contacts, free inbound messages. Credit-based pricing from €0/month with no commitment. Dedicated API-only plan for developers who just need the messaging infrastructure.

GDPR-compliant. EU data centers (Frankfurt). OIDC SSO. Made in Germany. No long-term contracts. 14-day free trial.

Built for marketing teams running omnichannel campaigns, support teams managing conversations, developers integrating messaging via API, and agencies handling multiple clients.