Overall in email apis
2of 13 · score 73.7
Data coverage
100%
25 of 25 fields sourced
Best for
- •Shipping transactional email this afternoon
- •React and Next.js codebases that want templates in the repo
- •Teams who would rather pay than run an approval gauntlet
Strong on
- +Time to first send 10min 1/13
- +DKIM/DMARC friction 1 1/13
- +React Email / MJML react-email, mjml 1/13
- +llms.txt docs Yes 1/13
- +GA year 2023 1/13
- +Shared pool quality 4 2/13
Weak on
- −Log retention 3d 7/10Better: Postmark: 45d
- −Throughput ceiling 7,200 emails/hr 4/5Better: Amazon SES: 50,400 emails/hr
- −IP warmup Partial 9/13Better: Postmark: Yes
- −Inbound parsing Partial 9/13Better: Postmark: Yes
vs MailerSend
- •Ahead on llms.txt docs: Yes vs No
- •Ahead on Time to first send: 10min vs 24h
- •Behind on Log retention: 3d vs 30d
- •Behind on IP warmup: Partial vs Yes
How Resend scores among 13 email apis25 of 25 fields known
Features10
Time to first send1st
10min
1/13
Product scope3rd
both
3/13
Leader: Loops · marketing-first
Inbound parsing
Partial
9/13
Leader: Postmark · Yes
Event webhooks
delivered, opened, clicked, bounced, complained, deferred
8/13
Leader: Amazon SES · delivered, opened, clicked, bounced, complained, deferred, unsubscribed, inbound
resend.com · 2026-06-01
Hosted templates
code-editor
8/13
Leader: Postmark · visual-editor
Log retention
3d
7/10
Leader: Postmark · 45d
Throughput ceiling
7,200 emails/hr
4/5
Leader: Amazon SES · 50,400 emails/hr
Multi-domain sending1st
Yes
1/13
Data residency2nd
us, eu, apac, sa
2/13
Leader: Amazon SES · us, eu, au, apac, sa, ca
Deliverability6
IP warmup
Partial
9/13
Leader: Postmark · Yes
DKIM/DMARC friction1st
1
1/13
BIMI
Partial
4/11
Leader: Postmark · Yes
Suppression list1st
Yes
1/13
Bounce handling1st
Yes
1/13
Pricing4
Pricing model
volume-tiers
5/13
Leader: Amazon SES · pay-as-you-go
Agentic2
MCP server1st
Yes
1/13
llms.txt docs1st
Yes
1/13
Traction1
Funding
series-a
8/13
Leader: Amazon SES · subsidiary
Positioning1
Positioning
"Email for developers." React Email is the hook; the API is deliberately small and the docs carry most of the product.
Timeline1
GA year1st
2023
1/13