Mailtrap
Email delivery platform for developer and product teams: Email API/SMTP sending, email testing sandbox, and email marketing.
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Mailtrap is an email platform with three products: Email API/SMTP for sending transactional and bulk emails via REST API or SMTP with deliverability tools (SPF/DKIM/DMARC, dedicated IPs, suppression lists, webhooks, email logs); Email Sandbox, a testing environment that captures outgoing emails without delivering them, with HTML validation, spam score checking, and bounce simulation; and Email Marketing for campaign creation, contact management, and automations. SDKs are available for Node.js, Python, PHP, Ruby, Java, .NET, and Elixir, plus an official CLI and MCP server for AI agents.
- Category
- Email & messaging
- Pricing
- freemium · from $15
- Free tier
- yes
- API
- yes
- MCP server
- yes
- SDK
- yes
- Open source
- no
Listed 2026-10-22 · last verified 2026-10-22 · extracted by @cf/zai-org/glm-5.3-flash · confidence 0.95
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API
curl https://toolgrep.com/api/products/mailtrap