toolgrep / Email & messaging / Resend
Alternatives to Resend
Resend: Email API for developers. 8 products similar to Resend, 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, 5 of 8 offer an MCP server, 1 of 8 is open source.
- Reloop
Open-source email API and infrastructure for developers: transactional email, SMTP relay, campaigns, webhooks, and agent inboxes.
- SMTPfast
Transactional email API for developers, built on AWS SES
- Postmark
Transactional and bulk email delivery service with REST API and SMTP support
- 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.
- Maileroo
SMTP relay and email API for transactional and marketing email
- Anypost
Transactional and broadcast email service
- 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 |
|---|---|---|---|---|---|---|
| Resend | Freemium | yes | yes | yes | yes | no |
| Reloop | Freemium · from $0 | yes | yes | yes | yes | yes |
| 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 | — |
| Postmark | Freemium · from $15.00/mo | yes | yes | no | yes | no |
| MailerSend | Freemium | yes | yes | yes | yes | no |
| Mailtrap | Freemium · from $15 | yes | yes | yes | yes | no |
| Maileroo | Freemium · from $10/mo (25,000 emails); free tier with 3,000 emails/month | yes | yes | no | yes | no |
| Anypost | Freemium · from $0 (Free: 3,000 emails/month); paid plans from $20/mo | 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/resend/alternatives