toolgrep / Email & messaging / MailChannels
Alternatives to MailChannels
MailChannels: Transactional email and outbound filtering for platforms with thousands of senders. 8 products similar to MailChannels, 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, 7 of 8 offer an MCP server, 1 of 8 is open source.
- MailerSend
Transactional email, SMS, and WhatsApp delivery service with a REST API and SMTP relay
- Mailtrap
Email delivery platform for developer and product teams: Email API/SMTP sending, email testing sandbox, and email marketing.
- Reloop
Open-source email API and infrastructure for developers: transactional email, SMTP relay, campaigns, webhooks, and agent inboxes.
- Resend
Email API for developers
- SendRaven
Email infrastructure for AI agents, accessible via REST API or MCP
- SMTPfast
Transactional email API for developers, built on AWS SES
- EmailLabs
Cloud-based SMTP service and email API for sending and tracking transactional and marketing emails
- Mailjet
Email marketing software and email API for marketing and transactional email
Side by side
| Product | Pricing | Free tier | API | MCP server | SDK | Open source |
|---|---|---|---|---|---|---|
| MailChannels | Freemium · from $0 (free tier, 100 emails/day); paid Email API from $10/mo; Outbound Filtering from $99.99/mo | yes | yes | no | yes | no |
| MailerSend | Freemium | yes | yes | yes | yes | no |
| Mailtrap | Freemium · from $15 | yes | yes | yes | yes | no |
| Reloop | Freemium · from $0 | yes | yes | yes | yes | yes |
| Resend | 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 |
| 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 | — |
| EmailLabs | Freemium · from 0 PLN/month (Startup plan, up to 9,000 emails/month, 300 emails/day limit); paid plans from 99 PLN/month (Essential 30, up to 100,000 emails/month) | yes | yes | no | yes | no |
| Mailjet | Freemium | yes | yes | yes | yes | no |
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.
API
curl https://toolgrep.com/api/products/mailchannels/alternatives