Documentation-based comparison
MailerSend versus Resend
Compare documented scope and conditions. Unknowns remain unknown; different billing units do not establish a cost winner.
| 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. |