Documentation-based comparison
MailerSend versus Resend
Compare documented scope and conditions. Unknowns remain unknown; different billing units do not establish a cost winner.
What the evidence answers
A reading of reviewed official documentation for MailerSend and Resend. It is not a hands-on test, a ranking or a recommendation of one product.
Price
- MailerSend From $7/mo
- Free: no subscription charge
- Hobby: $7.00 monthly
- Hobby: $75.60 annual ($6.30/mo equivalent)
- Starter: $35.00 monthly
- Starter: $378.00 annual ($31.50/mo equivalent)
- Professional: $110.00 monthly
- Resend From $20/mo
- Free: no subscription charge
- Pro: $20.00 monthly
- Scale: $90.00 monthly
- Enterprise: Vendor quotation required
Both list prices on the same basis. Compare what each plan includes; the lower amount alone does not make the better choice.
Documented for both
- Sending volume
- MailerSend Free: 500 emails per monthHobby: 5,000 emails per monthStarter: 50,000 emails per monthProfessional: 50,000 emails per month
- Resend Paid plans have no daily cap, but received emails and every To, CC and BCC recipient count toward the monthly quota.Free: 3,000 emails per monthPro: 50,000 emails per monthScale: 100,000 emails per month
- Sender domains
- MailerSend An extra domain space costs USD 4.00; the billing period is not stated.Free: 1 sending domainHobby: 1 sending domainStarter: 10 sending domainsProfessional: Unlimited, subject to the plan-limits policy
- Resend Pro and Scale can add 100 more domains for USD 20 a month; Enterprise limits are set by contract.Free: 3 verified domainsPro: 10 domainsScale: 1,000 domains
- Log retention
- MailerSend Searchable activity data can be extended up to 365 days, from USD 5.00.Free: 1 day of activity dataHobby: 1 day of activity dataStarter: 7 days of activity dataProfessional: 30 days of activity data
- Resend Free and Pro: 30-day data retention.Scale: 30 days
- Webhooks and events
- MailerSend Free: 1 webhookHobby: 1 webhookStarter: 50 webhooksProfessional: Unlimited, subject to the plan-limits policy
- Resend Pro: 5 webhook endpoints.Free: 1 webhook endpointScale: 10 webhook endpoints
- Dedicated IP
- MailerSend Dedicated IPs are only for Enterprise accounts sending more than 100,000 emails a week.
- Resend USD 30 a month add-on on Scale for customers sending more than 3,000 emails a day; Resend warms up, monitors and scales the IP.
- Support
- MailerSend Free: LimitedHobby: Email supportStarter: Email and live chat supportProfessional: Priority email support, live chat and onboarding assistance
- Resend Slack support and an urgent-response SLA are not included on Free or Pro.Free: Ticket supportScale: Dedicated Slack channelEnterprise: Guaranteed response times, a dedicated CSM and personalized migration support
- Overage charges
- MailerSend Sending continues past the monthly quota and extra emails are billed per 1,000; the email count resets every 30 days.
- Resend Paid plans can keep sending past the monthly quota with pay-as-you-go, capped by default at 5 times the quota; sending then pauses until the next billing cycle.Pro: Pay-as-you-go is switched on in team settings and bills extra emails in buckets of 1,000; without it, Resend notifies you and offers an upgrade.
Limits to check
- MailerSend Daily API requests are capped by plan: 100 on Free, 1,000 on Hobby, 100,000 on Starter and 500,000 on Professional.
- Resend Every account starts at 10 API requests per second, whatever the plan; an increase goes through support.
Not verified yet
Every compared requirement has evidence for at least one.
Not verified means our reviewed sources do not establish it. It does not mean a product lacks the capability or that it costs nothing.
Next steps
| Requirement | MailerSend | Resend |
|---|---|---|
| Pricing | From $7/mo | From $20/mo |
| Who it is for | Email API and SMTP relay for sending email, from a free 500-email plan upward. Verified Oct 11, 2026 · MailerSend pricing, monthly plan cards and comparison table | Sends application email, such as password resets and order confirmations, through the /emails API; marketing broadcasts use a separate API. Verified Oct 11, 2026 · Resend: official product and plan documentation |
| Coverage limits | Daily API requests are capped by plan: 100 on Free, 1,000 on Hobby, 100,000 on Starter and 500,000 on Professional. Table columns run Professional, Starter, Hobby, Free. Verified Oct 11, 2026 · MailerSend pricing, monthly plan cards and comparison table | Every account starts at 10 API requests per second, whatever the plan; an increase goes through support. Verified Oct 11, 2026 · Resend help: account quotas and limits |
| Sending volume |
| Paid plans have no daily cap, but received emails and every To, CC and BCC recipient count toward the monthly quota. Verified Oct 11, 2026 · Resend help: account quotas and limits
|
| Sender domains | An extra domain space costs USD 4.00; the billing period is not stated. Available on Starter, Professional and Enterprise. Verified Oct 11, 2026 · MailerSend pricing, monthly plan cards and comparison table
| Pro and Scale can add 100 more domains for USD 20 a month; Enterprise limits are set by contract. Verified Oct 11, 2026 · Resend help: account quotas and limits
|
| Log retention | Searchable activity data can be extended up to 365 days, from USD 5.00. Verified Oct 11, 2026 · MailerSend pricing, monthly plan cards and comparison table
| Free and Pro: 30-day data retention. Verified Oct 11, 2026 · Resend: official product and plan documentation
|
| Webhooks and events |
| Pro: 5 webhook endpoints. Verified Oct 11, 2026 · Resend: official product and plan documentation
|
| Dedicated IP | Dedicated IPs are only for Enterprise accounts sending more than 100,000 emails a week. Verified Oct 11, 2026 · MailerSend pricing, monthly plan cards and comparison table | USD 30 a month add-on on Scale for customers sending more than 3,000 emails a day; Resend warms up, monitors and scales the IP. Verified Oct 11, 2026 · Resend: official product and plan documentation |
| Support |
| Slack support and an urgent-response SLA are not included on Free or Pro. Verified Oct 11, 2026 · Resend: official product and plan documentation
|
| Overage charges | Sending continues past the monthly quota and extra emails are billed per 1,000; the email count resets every 30 days. Verified Oct 11, 2026 · MailerSend: official product and plan documentation | Paid plans can keep sending past the monthly quota with pay-as-you-go, capped by default at 5 times the quota; sending then pauses until the next billing cycle. Support can adjust the cap. Verified Oct 11, 2026 · Resend help: account quotas and limits
|
| Coverage note | At the volume shown on the plan card. | All webhook event types are available on every plan. |