toolgrep / Email & messaging / Sending
Alternatives to Sending
Sending: MCP-native messaging orchestration for email, WhatsApp and Telegram. 8 products similar to Sending, compared on pricing, free tier, API, MCP server, SDK and open source. 8 of 8 have a free tier, 8 of 8 have an API, 8 of 8 offer an MCP server.
- MailerSend
Transactional email, SMS, and WhatsApp delivery service with a REST API and SMTP relay
- SendRaven
Email infrastructure for AI agents, accessible via REST API or MCP
- Courier
Customer messaging platform for humans and AI agents
- SendPulse
Multi-channel marketing automation platform with email, SMS, web push, chatbots, and a built-in CRM
- Unitpost
Email and SMS sending platform for developers, with API, SDKs, SMTP, and an MCP server for AI agents.
- Mailbox MCP
Remote MCP server that connects an existing Gmail, Outlook, Microsoft 365 or IMAP mailbox to Claude, ChatGPT or any MCP client for reading, searching, sending and filing email.
- Mailjet
Email marketing software and email API for marketing and transactional email
- SMTPfast
Transactional email API for developers, built on AWS SES
Side by side
| Product | Pricing | Free tier | API | MCP server | SDK | Open source |
|---|---|---|---|---|---|---|
| Sending | Freemium · from €0/mo (free tier: 3,000 emails/mo) | yes | yes | yes | yes | no |
| MailerSend | Freemium | yes | yes | yes | yes | no |
| SendRaven | Freemium · from $19/month (Standard, 50,000 emails); 3,000 emails/month free tier | yes | yes | yes | no | no |
| Courier | Freemium | yes | yes | yes | yes | no |
| SendPulse | Freemium · from $9.60/month (Standard plan, 500 subscribers, billed annually) | yes | yes | yes | — | no |
| Unitpost | Freemium · from $0/mo (Free, 5k emails/mo); paid plans from $10/mo | yes | yes | yes | yes | no |
| Mailbox MCP | Freemium · from £2.92/month per mailbox (paid annually at £34.99 + VAT) | yes | yes | yes | — | no |
| Mailjet | Freemium | yes | yes | yes | yes | no |
| SMTPfast | Freemium · from $0 (free tier, 3,000 emails/month); paid plans from $9/month; overflow credits at $0.001 per email | yes | yes | yes | yes | — |
Facts come from each product's own website, or from its verified owner when they have edited the listing. Each product page shows when it was last verified and how it was extracted. Similarity comes from the products' descriptions.
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