# How Replit uses Resend

As published on [resend.com](https://resend.com/customers/replit). Captured by usedby on 2026-11-12.

- Company: [Replit](https://www.usedby.ai/companies/replit.md)
- Tool: [Resend](https://www.usedby.ai/tools/resend.md)
- Industry: [DevTools & Infrastructure](https://www.usedby.ai/companies/industry/devtools-infrastructure.md)
- Customer since (as the page says): Using Resend since 2025

## The use case: how Replit deploys Resend

Replit built a Resend connector so that users building apps and sites on its platform can add email sending without managing email infrastructure. Replit's engineers rely on it to avoid troubleshooting email infrastructure.

Summary written by usedby from the source page, in English. The figures are those of Resend and Replit, not ours.

> Since email is such a critical piece of building an app, we needed a solution that would work reliably without adding overhead or complexity. We turned to Resend to empower our users to build seamless email sending experiences.

> The simplicity and reliability of Resend allowed our engineers to focus on building features rather than troubleshooting email infrastructure.
>
> Amadeo Pellicce, Connectors, Agents and Automations Lead

Source: [resend.com](https://resend.com/), captured 2026-11-12.

## Other AI tools used by Replit

- [Braintrust](https://www.usedby.ai/tools/braintrust.md) — Confirmed
- [Campfire](https://www.usedby.ai/tools/campfire.md) — Confirmed
- [Claude](https://www.usedby.ai/tools/claude.md) — Confirmed
- [Common Room](https://www.usedby.ai/tools/common-room.md) — Confirmed
- [Metaview](https://www.usedby.ai/tools/metaview.md) — Confirmed
- [Nango](https://www.usedby.ai/tools/nango.md) — Confirmed

## Resend users in DevTools & Infrastructure

- [Better Auth](https://www.usedby.ai/companies/better-auth.md) — Confirmed
- [Liveblocks](https://www.usedby.ai/companies/liveblocks.md) — Confirmed
- [Braintrust](https://www.usedby.ai/companies/braintrust.md) — Observed
- [Digger](https://www.usedby.ai/companies/digger.md) — Observed
- [Firecrawl](https://www.usedby.ai/companies/firecrawl.md) — Observed
- [Helicone](https://www.usedby.ai/companies/helicone.md) — Observed

## What usedby checked

We compared the story with its live page on 2026-11-12.

- Checked: the passage quoted above is copied word for word from the page, near the name of Replit.
- Checked: Replit uses Resend. Confirmed line. Latest check across sources: 2026-11-13.
- Not checked: the result itself. We quote it; we did not measure it.

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Source: https://www.usedby.ai/case-studies/replit-resend · How we check: https://www.usedby.ai/methodology