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

Documented scope and limits; unverified dimensions remain unknown.
RequirementMailerSendResend
Pricing
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
  • Free 500 emails per month
  • Hobby 5,000 emails per month
  • Starter 50,000 emails per month
  • Professional 50,000 emails per month
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

  • Free 3,000 emails per month
  • Pro 50,000 emails per month
  • Scale 100,000 emails per month
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

  • Free 1 sending domain
  • Hobby 1 sending domain
  • Starter 10 sending domains
  • Professional Unlimited, subject to the plan-limits policy
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

  • Free 3 verified domains
  • Pro 10 domains
  • Scale 1,000 domains
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 1 day of activity data
  • Hobby 1 day of activity data
  • Starter 7 days of activity data
  • Professional 30 days of activity data
Free and Pro: 30-day data retention.

Verified Oct 11, 2026 · Resend: official product and plan documentation

  • Scale 30 days
Webhooks and events
  • Free 1 webhook
  • Hobby 1 webhook
  • Starter 50 webhooks
  • Professional Unlimited, subject to the plan-limits policy
Pro: 5 webhook endpoints.

Verified Oct 11, 2026 · Resend: official product and plan documentation

  • Free 1 webhook endpoint
  • Scale 10 webhook endpoints
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
  • Free Limited
  • Hobby Email support
  • Starter Email and live chat support
  • Professional Priority email support, live chat and onboarding assistance
Slack support and an urgent-response SLA are not included on Free or Pro.

Verified Oct 11, 2026 · Resend: official product and plan documentation

  • Free Ticket support
  • Scale Dedicated Slack channel
  • Enterprise Guaranteed response times, a dedicated CSM and personalized migration support
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

  • 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.
Coverage note

At the volume shown on the plan card.

All webhook event types are available on every plan.

Choose two or three products.