Transmit
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Your product? Claim it to see where they come fromAbout Transmit
Transmit is an email platform that handles transactional, marketing and inbound email through a single API. Transactional sends cover password resets, receipts and notifications, marketing supports campaigns, newsletters, drip sequences and segmentation, and inbound email can be parsed and routed to webhooks. It offers cURL, Node.js, Python, Go and SMTP options.
Deliverability features are included on every plan: automatic domain warmup with ISP-specific pacing, email validation that blocks invalid and disposable addresses, and reputation isolation through isolated sending pools rather than shared IPs. An AI Composer generates production-ready HTML emails from plain-text descriptions using GPT-4o, Claude or Gemini, with brand kits. An MCP server lets users manage campaigns, templates and contacts from Claude, Cursor, ChatGPT, Windsurf and other MCP clients.
Transmit targets SaaS teams, startups and developers. It can sync users from Clerk and Auth0 every six hours, with other auth providers listed as coming soon. Teams can use managed infrastructure or a Bring Your Own Cloud mode that connects their own AWS account.
Best for
- SaaS teams sending transactional and marketing email
- Developers wanting one email API
- Teams already using Amazon SES
- Startups on a tight email budget
Pros
- Warmup, validation and reputation isolation included on every plan
- Transactional, marketing and inbound email in one API
- MCP server for managing email from AI clients
- Option to bring your own AWS account
Cons
- Auth provider sync currently limited to Clerk and Auth0
- BYOK mode requires paying AWS costs separately
Pricing
Managed plans start at $2/mo with volume-based pricing; Bring Your Own Cloud costs $0–$149/mo plus AWS costs (about $0.10 per 1,000 emails).
Transmit FAQ
- Can I use my own AWS account?
- Yes, BYOK mode connects your AWS account via IAM role or access keys, and you pay AWS directly. You can switch from managed to BYOK anytime with the same API.
- Does Transmit share IPs between senders?
- No, it uses isolated sending pools with per-domain reputation, so other senders cannot affect your reputation.
- Which auth providers can sync contacts?
- Clerk and Auth0 are available now; Supabase, Firebase, Cognito and Okta are listed as coming soon.
- Can AI tools manage my email?
- Yes, the MCP server works with Claude, Cursor, Windsurf, ChatGPT and other MCP-compatible clients.
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