Resend
Modern transactional email API with React Email integration and transparent volume pricing.
Resend is a developer-focused transactional email API competing with Mailgun, Postmark, and SendGrid. The product centers on a clean REST API, official SDKs across major languages, SMTP relay, batch sending, inbound routing, and first-class React Email template integration. Pricing is volume-based and self-serve up to roughly 2.5M emails per month before Enterprise contracting kicks in. Resend also runs a separate Marketing Email track (broadcasts, audiences) priced from $40 to $650 per month for 5k to 150k contacts; this entry focuses only on the Transactional product.
- Category
- Transactional email
- Free plan
- Yes
- Plans
- 5
- Verified
Plans & pricing
Headline prices for each Resend tier, captured from https://resend.com/pricing on .
Free
Hobby tier with 3,000 emails per month and a 100/day cap
- Emails / month
- 3,000 emails (100/day cap)
- Custom domains
- 1
Included
- 3,000 emails per month
- 100 emails per day hard cap
- 1 verified domain
- 30-day data retention
- RESTful API and SMTP relay
- Official SDKs and React Email integration
- Inbound emails and batch sending
- 5 AI credits per month
Not on this plan
- High-volume sends
- Multiple verified domains
- Ticket and Slack support
- Dedicated IP add-on
- Longer data retention
Daily 100-email cap can block bursty workloads even when monthly volume is well under 3,000.
Pro 50k
Entry paid Pro tier with 50,000 emails per month included
- Emails / month
- 50,000
- Custom domains
- 10
Included
- 50,000 emails per month included
- $0.90 per 1,000 emails overage
- Up to 10 verified domains
- No daily send limits
- Ticket support
- RESTful API, SMTP relay, batch sending, inbound emails
- Official SDKs and React Email integration
- 100 AI credits per month
Not on this plan
- Slack support
- Dedicated IP add-on
- 1,000 verified domains
- Volume discounts at higher tiers
Pro 100k
Pro tier with 100,000 emails per month included
- Emails / month
- 100,000
- Custom domains
- 10
Included
- 100,000 emails per month included
- $0.90 per 1,000 emails overage
- Up to 10 verified domains
- No daily send limits
- Ticket support
- RESTful API, SMTP relay, batch sending, inbound emails
- Official SDKs and React Email integration
- 100 AI credits per month
Not on this plan
- Slack support
- Dedicated IP add-on
- 1,000 verified domains
- Volume discounts beyond 100k
Scale
Volume tier with Slack support, 1,000 domains, and dedicated IP add-on
- Emails / month
- 100,000 emails (Scale entry; tier scales to 2.5M)
- Custom domains
- 1,000
Included
- 100,000 emails per month included at entry; up to 2.5M at top sub-tier
- Overage $0.90 to $0.46 per 1,000 depending on sub-tier
- Up to 1,000 verified domains
- Slack and ticket support
- Dedicated IP add-on available
- RESTful API, SMTP relay, batch sending, inbound emails
- Official SDKs and React Email integration
- 500 AI credits per month
Not on this plan
- Custom contracting and SLAs
- Priority support tier
- Flexible data retention
- Negotiated dedicated IP bundles
Scale has 6 sub-tiers ranging $90 to $1,150 per month for 100k to 2.5M emails. Overage rate decreases as the included volume grows.
Enterprise
Custom contracting for high-volume senders with SLA guarantees
- Emails / month
- Custom
- Custom domains
- Custom
Included
- Typical 3M+ emails per month
- Dedicated IPs
- Priority support
- SLA guarantees
- Flexible data retention
- Flexible AI credit allocation
- Custom contracting
Where Resend earns its price
- Modern developer experience with React Email and official SDKs across many languages
- Transparent volume-based pricing without sales calls until Enterprise
- Generous free tier (3,000 emails per month) suits hobby projects and small apps
- Ships fast with frequent feature releases and active product iteration
- Integrated with the broader Resend ecosystem including broadcasts and audiences
Where it falls short
- Smaller than Mailgun and SendGrid, so fewer third-party integration plugins exist
- Marketing track is newer and less proven than the transactional core
- Free tier daily cap of 100 emails per day blocks bursty workloads
- Scale plan's 6 sub-tier structure can be hard to compare against simpler competitors
Best for
- Developers shipping a transactional flow such as signup confirmations, password resets, and receipts
- Teams using React for email templates
- Startups wanting a clean modern API without legacy ESP weight
Not for
- Marketing teams running newsletters (use Kit or beehiiv)
- Enterprises with strict legacy integration requirements
- Teams that need deep dedicated-IP warmup tooling (Mailgun and SendGrid are more mature here)
Alternatives to Resend
Tools we cover in the same space.
Common questions
- Does Resend have a free plan?
- Yes. Resend offers a free tier. Hobby tier with 3,000 emails per month and a 100/day cap
- How much does Resend cost?
- Resend starts at Free. Plan prices captured April 30, 2026.
Source: https://resend.com/pricing · last verified · capture method: manual
TierGauge tracks live pricing for marketing & sales tools. Prices may change between refreshes; confirm at the vendor's pricing page before purchasing.