toolgrep / Email & messaging / Revdoku
Alternatives to Revdoku
Revdoku: Email address for your AI agent to receive emails, send replies and store files, with virus and spam filters and prompt-injection labels. API, MCP, CLI. 8 products similar to Revdoku, 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, 1 of 8 is open source.
- Atomic Mail
Email API for AI agents
- Resend
Email API for developers
- Reloop
Open-source email API and infrastructure for developers: transactional email, SMTP relay, campaigns, webhooks, and agent inboxes.
- emailvalidation.io
Free email checker and validator: verify any email address with syntax, MX record and live mailbox checks, validate lists in bulk or use the API.
- Mailsac
Disposable test email addresses for QA and developers
- Mailjet
Email marketing software and email API for marketing and transactional email
- SMTPfast
Transactional email API for developers, built on AWS SES
- Postman
API engineering for your agents
Side by side
| Product | Pricing | Free tier | API | MCP server | SDK | Open source |
|---|---|---|---|---|---|---|
| Revdoku | Freemium · from $0 | yes | yes | yes | yes | no |
| Atomic Mail | Free | yes | yes | yes | yes | — |
| Resend | Freemium | yes | yes | yes | yes | no |
| Reloop | Freemium · from $0 | yes | yes | yes | yes | yes |
| emailvalidation.io | Freemium | yes | yes | yes | yes | no |
| Mailsac | Freemium · from 0 | yes | 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 | — |
| Postman | Freemium · from $9 | 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
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