Documented scope and limits; unverified dimensions remain unknown.
RequirementElastic EmailResend
Pricing
Who it is for
Email API and SMTP relay for transactional emails, notifications and bulk sending from your own software.

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

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
Starter does not list webhooks, inbound email processing or sub-accounts; only Pro adds them.

Verified Oct 11, 2026 · Elastic Email API pricing, plan table and FAQ

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 tiers run from 50,000 to 10,000,000 emails a month.

Verified Oct 11, 2026 · Elastic Email API pricing, plan table and FAQ

  • Free 3,000 emails per month
  • Starter 50,000 emails per month
  • Pro 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
Sending from your own domain with DNS validation, SPF and DKIM is listed in the plan table.

No domain limit is stated.

Verified Oct 11, 2026 · Elastic Email API pricing, plan table and FAQ

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
  • Free 3 days of email logs
  • Starter 3 days of email logs
  • Pro 7 days of email logs
Free and Pro: 30-day data retention.

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

  • Scale 30 days
Webhooks and events
Webhooks can report sends, opens, clicks, bounces, unsubscribes and other email events.

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

  • Pro Webhooks included
Pro: 5 webhook endpoints.

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

  • Free 1 webhook endpoint
  • Scale 10 webhook endpoints
Dedicated IP
  • Starter Private IP add-on: USD 40 a month
  • Pro Private IP add-on: USD 50 a month
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 support by in-app messenger or email, with a response expected within 24 hours; a paid Dedicated Support add-on shortens response times.

The add-on price is not shown.

Verified Oct 11, 2026 · Elastic Email API pricing, plan table and FAQ

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
No per-email overage: on reaching the sending limit the plan upgrades automatically if auto-increase is on, or you upgrade manually.

With auto-increase, the higher price applies only for the rest of the subscription period.

Verified Oct 11, 2026 · Elastic Email API pricing, plan table and FAQ

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

The table shows two prices for the two paid plans.

At the price shown; larger tiers are selected on the slider.

All webhook event types are available on every plan.