Resend is a developer tools tool for Developers, offered as freemium ($20/mo). Based in United States, founded in 2023. Popular alternatives include MachineMail, OpenMail, PostHog.
About Resend
Resend is an email API for developers, founded by Zeno Rocha and backed by Y Combinator. It focuses on developer experience: a clean REST API, official SDKs for Node.js, Python, Go, Ruby, PHP, Java and other languages, guided domain setup with DKIM and SPF records, and React Email, the open-source library from the same team that lets you build email templates as React components instead of fragile HTML tables.
The platform covers transactional sending with batch sends, scheduled emails, idempotency keys and attachments, webhooks for delivery, bounce, open and click events, logs and analytics, suppression lists, and dedicated IPs on higher tiers. Broadcasts and audiences add basic marketing email with unsubscribe handling, so product updates and newsletters can go out from the same account. A free plan includes 3,000 emails per month with a 100-per-day cap and three domains, and paid Pro and Scale plans raise volume, domains and webhook endpoints, with enterprise contracts above that.
Resend fits developers and startups, especially in Next.js, Vercel and Supabase stacks, who want transactional email that takes minutes to integrate. Data retention is 30 days on self-serve plans, deliverability tooling is lighter than that of older providers, and the marketing features are basic compared with dedicated platforms. Postmark is the veteran known for transactional deliverability, SendGrid and Mailgun are larger and more complex, Amazon SES is cheapest at very high volume, and Loops or Customer.io handle lifecycle marketing.
Key features of Resend
- Simple REST API and SDKs for Node, Python, Go, Ruby, PHP, Java
- React Email for component-based templates
- Domains with DKIM/SPF guidance and dedicated IPs
- Webhooks, idempotency keys and batch sending
- Broadcasts for marketing with audiences and unsubscribe
- Logs, analytics and suppression lists
Pros and cons
Pros
- Best developer experience in email APIs
- React Email templates are a joy
- Free tier for small projects
- Broadcasts cover basic marketing needs
Cons
- Short log retention on lower plans
- Fewer advanced features than SendGrid
- Younger provider; reputation building
- Marketing features basic compared with dedicated tools
Resend pricing
Resend uses a freemium model.
| Plan | Price | Includes |
|---|---|---|
| Free | $0 | 3,000 emails/mo, 100/day, 3 domains, 30-day retention |
| Pro | $20 / mo | 50,000 emails/mo, 10 domains, no daily limit |
| Scale | $90 / mo | 100,000 emails/mo, 1,000 domains, dedicated IP add-on |
| Enterprise | Custom | 99.99% SLA, dedicated CSM, SSO included |
Source: resend.com · checked on Oct 20, 2026
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How Resend compares in Developer tools
- Rank by votes
- #2 / 101
- Starting price
- $20
- Free alternatives
- 23
0 votes from members
At the category median of $20/mo
Free or open-source tools in Developer tools
Resend ranks #2 of 101 developer tools tools by community votes and is priced in line with the category.
Common use cases
- 1Transactional emails from a Next.js SaaS
- 2Password resets and receipts via API
- 3Product update broadcasts to all users
- 4Multi-tenant apps sending on behalf of customers
Best for
Developers and startups who want transactional email that is a pleasure to integrate.
Not ideal for
High-volume senders needing advanced deliverability tooling or full marketing automation.
Integrations
- Next.js
- Node
- Python
- Go
- Ruby
- PHP
- React Email
- Vercel
- Supabase
- Zapier
Our take
Resend is the modern default for transactional email in JavaScript stacks. Pair it with Loops or Customer.io when marketing automation grows.
FAQ
- What is Resend?
- Resend is a Developer tools tool: Email API for developers.
- How much does Resend cost?
- Resend uses a Freemium model; paid plans start at $20 per month.
- What are the best alternatives to Resend?
- Community-listed alternatives to Resend include MachineMail, OpenMail, PostHog, Firebase.
- What does Resend integrate with?
- Resend integrates with Next.js, Node, Python, Go, Ruby, PHP and more.
- Which platforms does Resend support?
- Resend is available on web.
- Who is Resend for?
- Developers and startups who want transactional email that is a pleasure to integrate.
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