AI TOOL PROFILE
Resend: Email API for Developers
- Software Development
- Email API
- Software companies
- Developer-led teams
- Startups
- Engineering organizations
Pricing
Resend uses a freemium model with a free plan (3,000 emails/month). Paid tiers include Pro at $20/month (50,000 emails) and Scale at $90/month (100,000 emails), with custom Enterprise pricing and a $30/month dedicated IP add-on.
At a glance
- Best for
- Software companies, Developer-led teams, Startups, Engineering organizations
- Key use cases
- Sending Transactional Emails, Marketing Broadcasts, API Testing and Simulation, Event Monitoring
- Official website
- Visit Resend official website

How AI is used
Resend is an email sending platform designed for developers. It provides a REST API and SDKs for several languages, including Node.js, Python, and Go, to help teams integrate email functionality into their applications.
The platform supports both transactional messages and marketing broadcasts. Key capabilities include a test mode for simulating events without sending real emails, webhooks for notifications on delivery and bounces, and a React-based component library for building templates. It also supports multi-region sending to help reduce delivery latency for users in North America, South America, Europe, and Asia.
Buyers should confirm sending volume requirements, as the free tier includes a daily and monthly limit, while higher volumes are supported via paid plans.
Key Features
Multi-language SDKs
Supports integration via SDKs for Node.js, Python, Ruby, PHP, Go, Rust, Java, Elixir, and .NET.
Test Mode
Allows developers to simulate email events and experiment with the API without sending messages to real recipients.
Webhooks
Provides notifications for email events such as deliveries, opens, bounces, and clicks in real time.
React Email Components
An open-source component library that supports building email templates using React.
Multi-region Sending
Supports sending from regions in North America, South America, Europe, and Asia to help reduce delivery latency.
Contact Management
Supports importing and grouping contacts to manage audiences for broadcast emails.
Dedicated IP Add-on
Offers managed dedicated IPs that warm up and autoscale based on sending volume.
Use Cases
Sending Transactional Emails
Integrating automated emails such as user welcomes or password resets into an application.
Marketing Broadcasts
Sending high-volume marketing emails to managed contact lists with tracking analytics.
API Testing and Simulation
Using test mode to verify email workflows without sending emails to customers.
Event Monitoring
Using webhooks to track engagement metrics like open and click rates.
FAQ
Who is Resend designed for?
- Resend is designed for developers and software companies who need an API to send transactional and marketing emails.
Does Resend have a free plan?
- Yes, Resend offers a free plan that includes 3,000 emails per month with a limit of 100 emails per day.
How does Resend handle email templates?
- Resend supports a modern email editor and integrates with react-email, an open-source component library for creating templates.
What security certifications does Resend have?
- Resend is SOC 2 Type II and GDPR compliant.
Source category: Software Development
Source subcategory: Email API
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