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Email API for developers, transactional and marketing
Updated
Resend is an email API for developers who send transactional and marketing email from their applications. It offers a REST API, official SDKs in many languages, React-based templates and tools for managing domains, webhooks and delivery events.
Developers verify a sending domain, create an API key and send mail with a single API call or SDK. Webhooks report delivery events, and marketing users manage contacts and send broadcasts from the dashboard.
Resend is used by developers and product teams, and the vendor mentions a nonprofit discount of 50% on paid plans.
Resend lists a Free plan at $0 with 3,000 emails per month, Pro from $20 per month for 50,000 emails, Scale from $90 per month, and custom Enterprise pricing. Billing is monthly, and there is no free trial, but the free plan is permanent.
Resend names React Email, MCP clients such as Cursor and Claude, and SDKs for Node.js, Python, PHP, Ruby, Go, Java, Laravel, Rust and .NET, with migration guides from other providers.
SendGrid is a long-established email API with marketing features and larger enterprise support. Mailjet offers email delivery with a visual editor and marketing tools. Loops is an email platform aimed at SaaS companies for product and marketing email.
Pricing Model
Freemium
Starting Price
$0/mo
Free Options
Free version
| Feature | Free | Pro | Scale | Enterprise |
|---|---|---|---|---|
| 3,000 emails per month | , | , | , | |
| 100 emails per day | , | , | , | |
| 3 domains | , | , | , | |
| 50,000 emails per month | , | , | , | |
| No daily limit | , | , | , | |
| 10 domains | , | , | , | |
| From 100,000 emails per month | , | , | , | |
| 1,000 domains | , | , | , | |
| 10 webhook endpoints | , | , | , | |
| 99.99% SLA | , | , | , | |
| SSO included | , | , | , | |
| Custom limits | , | , | , |
Other
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API Types
SDK Availability
Verify SDK availability in vendor's documentation.
Developer Features
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Compliance Standards
SOC 2 Type II
EnterpriseISO 27001
EnterpriseGDPR Compliant
GlobalHIPAA
HealthcarePCI DSS
FinanceCCPA
PrivacyFedRAMP
GovernmentCSA STAR
CloudDeployment & Data
Data Residency Options
Verify with vendor for your specific region requirements.
Email delivery platform: transactional Email API and marketing campaigns
Email marketing and transactional email API
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