

Mailpipe is a developer-focused email infrastructure tool designed to give teams control over their data and routing. Instead of per-seat pricing, Mailpipe uses a flat-rate model based on the domain, which may help keep costs predictable as a team grows.
The service is built for technical teams who want to integrate email into their own software stack. It supports connecting external databases such as Postgres or MongoDB, and the platform is designed so that email bodies are not stored at rest on Mailpipe's servers, but flow to the user's database.
Developers can use a JavaScript rule engine to route incoming emails to destinations including Slack, S3 buckets, and custom API endpoints. It is provider-agnostic, supporting services such as AWS SES, SendGrid, and Postmark.
Buyers should note that this is a technical tool requiring a developer for setup and integration. Those looking for a standard out-of-the-box business email suite may find the programmatic nature of the tool requires more configuration than a typical provider.
Supports connecting a user's own Postgres or MongoDB database to store email data.
Supports writing custom routing rules in JavaScript to direct emails to specific endpoints.
Works with multiple email providers including AWS SES, SendGrid, Mailgun, Postmark, and Resend.
Designed to route emails to webhooks, S3 buckets, Slack channels, or custom API endpoints.
Offers unlimited mailboxes and users under a flat-rate domain pricing model.
Includes a Model Context Protocol server for connecting AI assistants like Claude to email.
Using JavaScript routing to send incoming support emails into a company database.
Routing feedback emails to specific webhooks or Slack channels for team review.
Creating custom applications that rely on programmatic email receiving and data storage.
Plans start at $14 per domain per month for the Standard tier, with Pro at $29/month and Business at $59/month. Annual billing offers a 20% discount.
Mailpipe charges a flat rate per domain regardless of the number of users or inboxes, with plans starting at $14 per month.
Mailpipe is designed so that email bodies are not stored at rest on their servers; instead, data flows to the connected Postgres or MongoDB database.
Yes, the platform is provider-agnostic, allowing users to switch between services like SES or Mailgun in the dashboard without changing code.
Source category: Software Development
Source subcategory: Communication API
Mailpipe is a programmable email client for developers that supports email routing via JavaScript and direct integration with custom databases. It is designed for teams building email-powered applications who want to avoid per-user pricing. Buyers should note that it is a technical tool requiring developer setup.