Comparison

The best Resend alternatives

Resend made the developer email API pleasant again. People still leave it — for price, for a European region, for source code they can read, or because transactional volume and marketing contacts arrive as two separate bills.

31 alternatives below, each with what it costs, what its free tier really gets you, and what it is bad at. We make one of them. It's marked, and the things it doesn't do are listed alongside everything else.

31 options Prices checked 2 August 2026 No affiliate links
The short answer

Pick by the reason you're leaving

Nobody replaces an email API in the abstract. Something specific broke. Start from that, not from a feature matrix.

Cheapest per emailAmazon SES

$0.16 per 1,000. You build the dashboard, the templates and the retries yourself.

Best deliverability recordPostmark

Separate message streams, retention up to a year, and support staffed by people who know email.

Best open sourceuseSend

A Resend-shaped dashboard over your own Amazon SES account. AGPL-3.0, still beta.

Best EU optionAhaSend

European infrastructure that keeps the data in Europe, not just the sending.

Best when you also send campaignsEmail Bump

Marketing and transactional on one contact-priced plan instead of two subscriptions. That's us.

Context

What actually goes wrong with Resend

Resend is a good product, and most of these complaints are the cost of the choices that make it good. It is worth being precise about them, because each one points at a different replacement.

It bills marketing and transactional separately. Resend's own documentation splits pricing into two tracks: transactional plans priced on emails sent and received, and marketing plans priced on contacts. A product with 25,000 subscribers and 50,000 monthly transactional emails is buying both — $180/mo for the contacts plus $20/mo for the volume. That's the single most common reason people start looking, and it is the reason we built one contact-priced plan that covers both.

Overage is automatic. Past your allowance, Resend charges per extra bucket of 1,000 emails against the card on file. That's a defensible design — nobody wants their password resets to stop — but it means a launch week shows up on the invoice rather than in a "you've hit your limit" email.

Retention is 30 days on every plan. Including Scale. If a customer disputes an email from last quarter, the record is gone. Postmark sells retention up to 365 days; several self-hosted options keep whatever your disk holds.

There's no EU region. For a lot of European teams this is the whole conversation, and no amount of DPA paperwork substitutes for the data sitting in Frankfurt.

It's transactional-first by design. The marketing side is real but younger, and if you want behavioural segments and multi-step journeys you will feel the difference against a platform built for that.

The baseline

What Resend costs, from their own pricing page

Everything below is compared against these numbers, read on 2 August 2026.

Transactional — priced on emails

Volume plans

$0
3,000 emails/moFreecapped at 100 emails/day, 1 domain
$20/mo
50,000 emails/moPro$0.90 per extra 1,000
$35/mo
100,000 emails/moPro$0.90 per extra 1,000
$90/mo
100,000 emails/moScalebetter overage, 1,000 domains
$350/mo
500,000 emails/moScale$0.70 per extra 1,000
$1,150/mo
2,500,000 emails/moScale$0.46 per extra 1,000
Marketing — priced on contacts

Contact plans

$0
1,000 contacts
$40/mo
5,000 contacts
$80/mo
10,000 contacts
$120/mo
15,000 contacts
$180/mo
25,000 contacts
$250/mo
50,000 contacts
$450/mo
100,000 contacts
$650/mo
150,000 contacts
Worth knowing

The fine print

  • 30-day data retention on every plan, including Scale.
  • Marketing contacts and transactional volume are billed as two separate subscriptions.
  • 10,000 automation runs a month are included on Free and Pro; beyond that runs are metered.
  • Dedicated IP is a $30/mo add-on, available to Scale customers sending over 3,000 emails a day.
  • Sending domains are capped by plan: 1 on Free, 10 on Pro, 1,000 on Scale.
Worked example

25,000 subscribers, 50,000 transactional emails a month

A normal shape for a SaaS with a newsletter. Both figures come from each vendor's published list price; neither includes overage.

Resend$200/mo

$180/mo for the 25,000-contact marketing plan, plus $20/mo for the 50,000-email Pro transactional plan. Two subscriptions, two allowances.

Email Bump$29/mo

25,000 contacts. Campaigns, automated flows, segments, the transactional API and SMTP are the same plan, and sending is uncapped under fair use.

Amazon SES~$8/mo

50,000 emails at $0.16 per 1,000 is $8, and there is no contact model at all — you'd be building the campaign side yourself.

List prices on 2 August 2026. The SES figure is sending cost only and excludes the engineering time to build everything around it.

Side by side

All 31, on the five things that decide it

ProviderStarts atFree tierMarketing emailLicenceData region
Email BumpHosted$19/mo at 10,000 contacts5,000 contacts and 5,000 emails a monthIncluded — campaigns, flows, segments and the API share one billProprietaryUnited States (Amazon SES, us-east-1)
PostmarkHosted$15/mo for 10,000 emails (Basic)100 emails a monthBroadcast streams only — 15 on Basic, 30 on Pro, unlimited on Platform. No visual automation builder.ProprietaryUnited States
Amazon SESHosted$0.16 per 1,000 emails (Essentials, first 10M/mo)Up to $200 in AWS free-tier credits for new accounts, over the first 6 monthsNone. SES is a sending pipe.ProprietaryYour choice of AWS region, including several in the EU
LoopsHostedPaid plans are priced by subscribed contacts via a slider, not published as a fixed table1,000 contacts and 4,000 sends a month, with a Loops footer on your emailIncluded — that's the core of the productProprietaryUnited States
MailgunHosted$15/mo for 10,000 emails (Basic)100 emails a day, with 1-day log retentionSold separately as Mailgun Optimize / Mailjet rather than bundledProprietaryUnited States or European Union, per account
MailtrapHosted$15/mo for 10,000 emails (Basic)4,000 emails a month, capped at 150 a day, 3 days of logsBulk stream on Business and above; no journey builderProprietaryUnited States, with EU sending available
MailerSendHosted$5.60/mo for 5,000 emails (Hobby)500 emails a month, 1 domain, 1 templateTemplates and basic automation; MailerLite is the sibling product for campaignsProprietaryUnited States and European Union
Zoho ZeptoMailHostedCredits, where 1 credit = 10,000 emails, valid 6 monthsFirst credit free — 10,000 emails, valid for one monthNone. ZeptoMail is transactional-only by policy; Zoho Campaigns is the other product.ProprietaryMultiple, including EU data centres
AhaSendHostedPaid tiers start at 25,000 emails/mo (Pro); the rate isn't published as a flat figure1,000 emails a month, unlimited domains, no card requiredTransactional focus; no campaign builderProprietaryEuropean Union, multi-region
Scaleway TEMHosted€0.25 per 1,000 emails after the first 300 a month (Essential)300 emails a month, every monthProhibited by policy — TEM is transactional onlyProprietaryEuropean Union (multi-region, France-headquartered)
SendGridHostedEssentials from $19.95/moNone any more — a 60-day trial at 100 emails a dayMarketing Campaigns is a separate product with its own contact-based pricingProprietaryUnited States, with EU options on enterprise agreements
MailjetHostedStarter $9/mo for 8,000 emails6,000 emails a month, capped at 200 a day, 1,000 contactsCampaigns and an editor; automation and landing pages arrive on PremiumProprietaryEuropean Union (France)
SMTP2GOHostedStarter $10/mo for 10,000 emails ($100/year)1,000 emails a month, capped at 200 a day and 25 an hour until your domain is verifiedNone — it's a relayProprietaryServers worldwide, with location-specific options
Elastic EmailHostedStarter $19/mo for up to 50,000 emails1,000 contacts and 3,000 emails a monthAn email designer and contact management; not a full automation platformProprietaryUnited States and European Union
MailPaceHostedPriced on monthly volume via a slider, in your choice of currencyA 100-emails-a-month plan, available on requestNone — transactional onlyProprietaryEuropean Union
LettermintHostedStarter from €10/mo for 10,000 emails300 emails a month, 1 sending domain, 1 projectBroadcast emails on paid tiers, alongside transactionalProprietaryEuropean Union
MailerooHostedPaid plans start above the free 3,000 emails a month3,000 emails and 1,000 inbound a month, 2 domains, free dedicated IPA separate campaign product; the API plans are transactionalProprietaryMultiple
SendLayerHostedStarter $5/mo for 1,000 emails, billed annuallyA 200-email trial, plus a 14-day money-back guaranteeNone — transactional onlyProprietaryUnited States
SweegoHostedIndividual €10/mo for 20,000–50,000 emails (€8 billed annually)100 emails a day, unlimited domains, 7 days of logsTransactional and inbound routing; SMS via creditsProprietaryEuropean Union (France)
Bird (formerly SparkPost)HostedStarter $20/moNone — test API access on signup, then production needs a verified sender and a cardPart of Bird's wider CRM and messaging suite rather than the email planProprietaryMultiple
Mailchimp TransactionalHosted$20 per block of 25,000 emails, up to 20 blocks500 test emails to your own verified domainNone — Mailchimp itself is the marketing side, and a separate subscriptionProprietaryUnited States
SocketLabsHostedCore $39.95/mo, with the first month freeThe first month of Core is $0None — transactional and bulk relayProprietaryUnited States
Amazon PinpointHostedPay-as-you-go: first 5,000 monthly targeted endpoints free, then $0.0012 each5,000 monthly targeted endpoints and 100,000,000 events a monthCampaigns, journeys and segmentation — all going away with the serviceProprietaryYour choice of AWS region
UniOneHostedStandard from $6/mo for 50,000 emails4 months free at 6,000 emails a month, plus 100 address validationsBulk sending alongside transactional; no campaign builder or segmentsProprietaryMultiple
EmailLabsHostedEssential 30 at €23/mo for up to 100,000 emailsSTARTUP — up to 9,000 emails a month, capped at 300 a dayNone — transactional and bulk relayProprietaryEuropean Union (Poland), on European servers
useSend (formerly Unsend)Self-hostableFree to run; you pay Amazon SES for the sendingSelf-hosted — the software is freeIncluded: contacts, campaigns and transactional in one appAGPL-3.0Wherever you deploy it
PlunkSelf-hostableSelf-host free, or $0.001 per email on Plunk CloudSelf-hosted — the software is freeIncluded: campaigns plus a trigger-and-condition automation builderAGPL-3.0Wherever you deploy it
FreeResendSelf-hostableFree to run; you pay Amazon SES for the sendingSelf-hosted — the software is freeNone — transactional onlyMITWherever you deploy it
NotifuseSelf-hostableSelf-host free, or Notifuse Cloud from $16/moSelf-hosted — the software is freeIncluded: visual builder, scheduling, A/B tests, segmentationAGPL-3.0Wherever you deploy it
listmonkSelf-hostableFree to run; you pay your SMTP provider for the sendingSelf-hosted — the software is freeThat's the whole product: lists, subscribers, campaigns, templatesAGPL-3.0Wherever you deploy it
PostalSelf-hostableFree to run; you pay for servers and IPsSelf-hosted — the software is freeNone; it's infrastructureMITWherever you deploy it

Read off each vendor's own pricing or documentation page on 2 August 2026. Where a vendor hides a price behind a slider or a sales call, the cell says so instead of guessing.

In detail

Every option, and what it's bad at

Ordered by how often each answers the reason people search for this in the first place, not by how much we'd like you to click.

01Hosted service

Email Bump

Best for: Teams paying Resend twice — once for the API, again for the newsletter

Marketing and transactional email in one product, billed on contacts rather than sends. The transactional API takes the same fields as Resend's, so the migration is a base URL and a key. Also the only one on this list with a first-class CLI and MCP server, so an agent can run the whole account without a browser.

Starts at
$19/mo at 10,000 contacts
Free tier
5,000 contacts and 5,000 emails a month
Marketing
Included — campaigns, flows, segments and the API share one bill
Data region
United States (Amazon SES, us-east-1)
What it does well
  • One price covers campaigns, automated flows, segments and the transactional API.
  • Sending is uncapped on paid plans under fair use — a viral week doesn't produce an overage bill.
  • Unsubscribed and bounced contacts stop counting, so the bill tracks your real audience.
  • Unlimited team seats and unlimited sending domains on every plan, including free.
  • CLI, MCP server and agent skills cover the same surface as the API, including creating the account itself.
  • Inbound email, SMTP on the same key, and webhooks are part of the plan, not upsells.
What to watch for
  • Sending is US-only today — there is no EU data region.
  • Not open source, and there's no self-hosted build.
  • The free plan puts a 'Powered by Email Bump' badge on marketing footers. Transactional sends never carry it.
  • Younger than Postmark or SendGrid, without their decade-plus of public deliverability history.
02Hosted service

Postmark

Best for: Transactional mail where a receipt arriving late is a support ticket

The long-standing deliverability specialist. Separate message streams keep transactional and broadcast reputation apart, retention goes to a year, and support answers with an engineer rather than a bot.

Starts at
$15/mo for 10,000 emails (Basic)
Free tier
100 emails a month
Marketing
Broadcast streams only — 15 on Basic, 30 on Pro, unlimited on Platform. No visual automation builder.
Data region
United States
What it does well
  • Deliverability track record is the longest of anything on this list.
  • Retention is customisable up to 365 days on Pro and Platform, against Resend's flat 30 days.
  • Inbound email processing on Pro and above.
  • Support is a genuine differentiator, not a plan checkbox.
What to watch for
  • Overage is $1.80 per 1,000 on Basic — twice Resend's $0.90 — so bursts get expensive.
  • Broadcasts are a stream, not a marketing tool: no segments, no journeys.
  • Dedicated IPs start at $50/mo per IP.
03Hosted service

Amazon SES

Best for: High volume where you already have engineers to own the plumbing

The wholesale layer most of this list resells. Nothing is cheaper per email, and nothing asks more of you: no dashboard worth the name, no templates, no contact model, no suppression UI beyond the basics.

Starts at
$0.16 per 1,000 emails (Essentials, first 10M/mo)
Free tier
Up to $200 in AWS free-tier credits for new accounts, over the first 6 months
Marketing
None. SES is a sending pipe.
Data region
Your choice of AWS region, including several in the EU
What it does well
  • $0.16 per 1,000 is roughly a fortieth of Resend's Pro rate at the same volume.
  • Regions everywhere, so data residency is a config value.
  • Scales past anything a SaaS plan will sell you.
What to watch for
  • You build the dashboard, the templates, the retries, the suppression list and the reporting.
  • New accounts start in a sandbox; production access and quota increases are reviewed.
  • Attachments are billed separately at $0.12/GB, and deliverability tooling costs extra.
04Hosted service

Loops

Best for: SaaS teams who want lifecycle email without assembling it

Contact-priced like Email Bump, with transactional sending folded in at no extra charge. Opinionated and pleasant; less of an infrastructure product than Postmark or SES.

Starts at
Paid plans are priced by subscribed contacts via a slider, not published as a fixed table
Free tier
1,000 contacts and 4,000 sends a month, with a Loops footer on your email
Marketing
Included — that's the core of the product
Data region
United States
What it does well
  • Transactional sending is included rather than billed as a second subscription.
  • Free plan is generous enough to run a small product on.
  • Genuinely quick to set up.
What to watch for
  • The free plan puts Loops branding in your footer and caps you at 10 emails/second.
  • Paid pricing lives behind a slider, which makes budgeting a guess until you sign up.
  • Thinner on raw email infrastructure — inbound, SMTP nuance, deep log retention.
05Hosted service

Mailgun

Best for: Teams that need an EU sending region from a large, established vendor

A veteran developer email API, now part of Sinch. US or EU sending from one account, plus validation and deliverability services sold alongside.

Starts at
$15/mo for 10,000 emails (Basic)
Free tier
100 emails a day, with 1-day log retention
Marketing
Sold separately as Mailgun Optimize / Mailjet rather than bundled
Data region
United States or European Union, per account
What it does well
  • EU region on an established platform with real support contracts.
  • Scale at $90/mo for 100,000 emails includes a dedicated IP.
  • Email validation and deliverability tooling available as add-ons.
What to watch for
  • Log retention is 1 day on Free and Basic, 5 days on Foundation — painful when debugging.
  • $1.80 per 1,000 overage on Basic.
  • Extra dedicated IPs are $59 each per month.
06Hosted service

Mailtrap

Best for: Teams who want the test sandbox and production sending from one vendor

Best known for its email-testing sandbox, which catches staging mail before it reaches a real inbox. The sending product grew out of that and keeps the same debugging bias.

Starts at
$15/mo for 10,000 emails (Basic)
Free tier
4,000 emails a month, capped at 150 a day, 3 days of logs
Marketing
Bulk stream on Business and above; no journey builder
Data region
United States, with EU sending available
What it does well
  • The staging sandbox has no real equivalent at Resend.
  • Free tier is 4,000 emails/month against Resend's 3,000.
  • Bounce categorisation and per-domain debugging are unusually good.
What to watch for
  • Log retention is short on cheaper plans: 3 days free, 5 days on Basic.
  • Dedicated IP and bulk stream only arrive on Business, which starts at $85/mo.
  • Two products in one console takes a minute to get used to.
07Hosted service

MailerSend

Best for: Small teams who want the cheapest paid tier with a template builder

From the MailerLite family. Drag-and-drop templates non-engineers can edit, an inexpensive entry plan, and SMS bolted on for the same money.

Starts at
$5.60/mo for 5,000 emails (Hobby)
Free tier
500 emails a month, 1 domain, 1 template
Marketing
Templates and basic automation; MailerLite is the sibling product for campaigns
Data region
United States and European Union
What it does well
  • $5.60/mo for 5,000 emails is the cheapest real paid plan here.
  • Non-developers can edit templates without a pull request.
  • 100 SMS a month included on every plan.
What to watch for
  • Free plan is 500 emails/month — a sixth of Resend's free tier.
  • Hobby caps you at 1 domain, 3 templates and 1,000 API requests a day.
  • API log retention is 7 days even on Professional.
08Hosted service

Zoho ZeptoMail

Best for: Low, spiky transactional volume you'd rather not subscribe for

Pay-as-you-go credits instead of a monthly plan. One credit is 10,000 emails and lasts six months, which suits products that send in bursts.

Starts at
Credits, where 1 credit = 10,000 emails, valid 6 months
Free tier
First credit free — 10,000 emails, valid for one month
Marketing
None. ZeptoMail is transactional-only by policy; Zoho Campaigns is the other product.
Data region
Multiple, including EU data centres
What it does well
  • No subscription: buy credits, use them within six months.
  • 10,000 free emails to evaluate with is the largest trial on this list.
  • Backed by Zoho, with EU data-centre options.
What to watch for
  • Strictly transactional — marketing sending will get the account closed.
  • Being inside the Zoho console is a taste thing.
  • Credits expire; unused volume is money gone.
09Hosted service

AhaSend

Best for: EU teams who want Resend's ergonomics with the data kept in Europe

The closest thing to a European Resend: same shape of API and SMTP, multi-region EU infrastructure, and a free tier you can actually ship on.

Starts at
Paid tiers start at 25,000 emails/mo (Pro); the rate isn't published as a flat figure
Free tier
1,000 emails a month, unlimited domains, no card required
Marketing
Transactional focus; no campaign builder
Data region
European Union, multi-region
What it does well
  • Data stays in Europe, not just the sending — the usual gap in 'EU-friendly' claims.
  • Unlimited sending domains even on the free plan.
  • USD and EUR billing, OIDC SSO on the top tier.
What to watch for
  • Smaller company; fewer public deliverability case studies.
  • No marketing or automation side at all.
  • Retention is 14 days on Pro, 30 on Max.
10Hosted service

Scaleway TEM

Best for: French and EU public-sector-adjacent teams who need sovereignty on paper

European cloud infrastructure rather than a developer-experience product. Cheap per email, GDPR-clean by construction, and deliberately narrow.

Starts at
€0.25 per 1,000 emails after the first 300 a month (Essential)
Free tier
300 emails a month, every month
Marketing
Prohibited by policy — TEM is transactional only
Data region
European Union (multi-region, France-headquartered)
What it does well
  • €0.25 per 1,000 undercuts every hosted SaaS here except SES.
  • European sovereignty story is the strongest on this list.
  • Scale plan at €80/mo includes 100,000 emails, a managed dedicated IP and a 99.9% SLA.
What to watch for
  • Marketing email is against the acceptable-use policy — this is not a newsletter tool.
  • No inbound email support.
  • Billing counts recipients, so one message with three CCs is four emails.
11Hosted service

SendGrid

Best for: Enterprise volume, and procurement teams who want Twilio on the contract

The incumbent. Owned by Twilio, sold alongside their messaging products, and built for scale most senders never reach. The free plan is gone — what's left is a 60-day trial at 100 emails a day.

Starts at
Essentials from $19.95/mo
Free tier
None any more — a 60-day trial at 100 emails a day
Marketing
Marketing Campaigns is a separate product with its own contact-based pricing
Data region
United States, with EU options on enterprise agreements
What it does well
  • Scale and reliability at volumes most of this list never sees.
  • Part of Twilio, so SMS and voice sit on the same contract.
  • Extensive SDK coverage and a very large body of existing integrations.
  • Enterprise procurement, SLAs and compliance paperwork are all in place.
What to watch for
  • The permanent free tier was replaced by a 60-day trial — a real change if you last looked a while ago.
  • Marketing Campaigns is priced separately from the Email API, so a product with a newsletter pays twice.
  • Higher-tier prices aren't published as a static table.
  • Support quality is the most consistent complaint in this category.
12Hosted service

Mailjet

Best for: Small teams who want unlimited contacts alongside a send allowance

Sinch's other email product, sitting between a transactional API and a light marketing tool. Metered on emails, and unlimited contacts from the Essential plan — an unusual combination in this category.

Starts at
Starter $9/mo for 8,000 emails
Free tier
6,000 emails a month, capped at 200 a day, 1,000 contacts
Marketing
Campaigns and an editor; automation and landing pages arrive on Premium
Data region
European Union (France)
What it does well
  • Unlimited contacts from Essential at $17/mo — you're billed on sends, not list size.
  • A 6,000-a-month free tier with the API, SMTP relay and webhooks included.
  • $9/mo for 8,000 emails is among the cheapest entry plans anywhere here.
  • French company, so EU data handling comes as standard.
What to watch for
  • The free plan's 200-a-day cap bites long before the monthly one.
  • Automation, landing pages and team management only arrive on Premium at $27/mo.
  • Essential and Premium both include 15,000 emails — you pay for features, not volume, between them.
  • Deliverability reports are mixed, as with most generous free tiers.
13Hosted service

SMTP2GO

Best for: Reliable SMTP relay with 30 days of logs on every paid plan

Deliberately unglamorous relay infrastructure. Nothing here is fashionable and the thing people actually praise is that the logs go back thirty days on the $10 plan, which several better-known providers don't manage at ten times the price.

Starts at
Starter $10/mo for 10,000 emails ($100/year)
Free tier
1,000 emails a month, capped at 200 a day and 25 an hour until your domain is verified
Marketing
None — it's a relay
Data region
Servers worldwide, with location-specific options
What it does well
  • 30 days of log retention on every paid plan, including the $10 one.
  • $1 per extra 1,000 on Starter, dropping to $0.85 on Professional.
  • Professional at $75/mo includes a dedicated IP and email testing tools.
  • Straightforward SMTP relay that works with anything.
What to watch for
  • The free plan's hourly cap of 25 emails makes testing awkward until you verify a domain.
  • Free keeps only 5 days of logs and limits you to 2 team members.
  • No marketing side at all.
  • Phone and live chat support on free lasts 14 days.
14Hosted service

Elastic Email

Best for: High volume at a low flat rate, if you can live with the reputation risk

One of the cheapest ways to send a lot of email through a hosted product. $19/mo for 50,000 emails is roughly half what most of this list charges, and the trade is a shared sending reputation across a very price-sensitive customer base.

Starts at
Starter $19/mo for up to 50,000 emails
Free tier
1,000 contacts and 3,000 emails a month
Marketing
An email designer and contact management; not a full automation platform
Data region
United States and European Union
What it does well
  • $19/mo for 50,000 emails undercuts almost every hosted competitor.
  • Pro at $49/mo adds inbound email processing, webhooks, sub-accounts and custom rDNS.
  • Reseller features and sub-accounts make it popular with agencies.
  • Private IPs from $40/mo, cheaper than most.
What to watch for
  • Low prices attract senders whose reputation you share; warm up carefully and watch your own numbers.
  • The free plan is 1,000 contacts and 3,000 emails.
  • Starter and Pro both cap at 50,000 emails — the difference is features, not volume.
  • Support is a paid add-on for prioritised assistance.
15Hosted service

MailPace

Best for: EU-hosted transactional email where every plan has every feature

Made in the UK, hosted in the European Union, and structured so there's nothing to unlock — unlimited domains, unlimited team members, inbound email and 30-day retention on every plan, with only volume changing.

Starts at
Priced on monthly volume via a slider, in your choice of currency
Free tier
A 100-emails-a-month plan, available on request
Marketing
None — transactional only
Data region
European Union
What it does well
  • Every feature is on every plan: unlimited domains, team members and webhooks.
  • 30-day email retention regardless of what you pay.
  • Inbound email, bounce management and anti-spam included.
  • Billing in USD, GBP, EUR and several other currencies.
What to watch for
  • The free plan isn't advertised — you have to ask for it.
  • No marketing side at all.
  • A small team, so no enterprise procurement story.
  • Pricing is a slider rather than a published table.
16Hosted service

Lettermint

Best for: European teams who want a modern transactional API priced in euros

EU infrastructure, GDPR-native, and priced so you can dial the included volume to match what you actually send rather than jumping between fixed tiers.

Starts at
Starter from €10/mo for 10,000 emails
Free tier
300 emails a month, 1 sending domain, 1 project
Marketing
Broadcast emails on paid tiers, alongside transactional
Data region
European Union
What it does well
  • EU-based infrastructure with GDPR compliance as the default, not an add-on.
  • Volume is adjustable within a plan, so you're not paying for a tier you half-use.
  • Broadcasts and inbound email on paid tiers, not just transactional.
  • Priced in euros, which removes a currency conversion from procurement.
What to watch for
  • The free plan is 300 emails a month with one domain.
  • A young company with a short public track record.
  • Inbound email needs a paid tier.
  • No campaign builder, segments or automation.
17Hosted service

Maileroo

Best for: The most generous free transactional tier, dedicated IP included

3,000 free emails a month plus 1,000 inbound, with a free dedicated IP and automatic warm-up — an unusually complete free plan for a transactional provider.

Starts at
Paid plans start above the free 3,000 emails a month
Free tier
3,000 emails and 1,000 inbound a month, 2 domains, free dedicated IP
Marketing
A separate campaign product; the API plans are transactional
Data region
Multiple
What it does well
  • A free dedicated IP with automatic warm-up on the free plan, which nobody else does.
  • 1,000 inbound emails a month included free.
  • Email verification API, sandbox domain and a WordPress plugin included.
  • SMTP relay and REST API with webhooks and full authentication support.
What to watch for
  • Small and young — fewer public deliverability references than the incumbents.
  • The free plan allows 2 domains.
  • Marketing lives in a separate product rather than the same plan.
  • Paid tiers aren't laid out as a simple published table.
18Hosted service

SendLayer

Best for: WordPress sites that need reliable SMTP for not much money

A no-frills transactional provider popular in the WordPress world, with a $5 entry plan and log retention that climbs quickly as you move up.

Starts at
Starter $5/mo for 1,000 emails, billed annually
Free tier
A 200-email trial, plus a 14-day money-back guarantee
Marketing
None — transactional only
Data region
United States
What it does well
  • $5/mo is the cheapest paid transactional plan in this comparison.
  • Log retention reaches 30 days on Growth at $25/mo.
  • Suppression, bounce and blocklist management included on every plan.
  • A 14-day, no-questions money-back guarantee.
What to watch for
  • Starter keeps only 3 days of logs.
  • 1,000 emails a month on the entry plan is small.
  • No marketing side at all.
  • Headline prices are annual; monthly costs more.
19Hosted service

Sweego

Best for: French and EU teams who want email and SMS on European infrastructure

A European multichannel provider with a free tier, retention that climbs from 7 to 90 days with the plan, and SMS bought as credits rather than a second subscription.

Starts at
Individual €10/mo for 20,000–50,000 emails (€8 billed annually)
Free tier
100 emails a day, unlimited domains, 7 days of logs
Marketing
Transactional and inbound routing; SMS via credits
Data region
European Union (France)
What it does well
  • €10/mo for 20,000–50,000 emails is excellent value at that volume.
  • Unlimited sending domains even on the free plan.
  • Log retention of 30 days on Individual, 60 on Startup and 90 on Scaleup.
  • SMS bought as credits valid for 12 months, with no setup fees.
What to watch for
  • The free plan's 100-a-day cap is a daily ceiling, not a monthly allowance.
  • 7 days of log retention on free.
  • A dedicated IP needs Startup at €79/mo or above.
  • Small and French-market-focused; documentation is thinner in English.
20Hosted service

Bird (formerly SparkPost)

Best for: High-volume senders who want subaccounts and dedicated IPs at a fixed price

SparkPost was one of the largest email infrastructure providers in the world; sparkpost.com now redirects to Bird, a broader CRM and messaging company. The sending product is still there, with subaccounts and dedicated IPs on a $75 plan.

Starts at
Starter $20/mo
Free tier
None — test API access on signup, then production needs a verified sender and a card
Marketing
Part of Bird's wider CRM and messaging suite rather than the email plan
Data region
Multiple
What it does well
  • Premier at $75/mo includes a dedicated IP, 15 subaccounts and scheduled sending.
  • Volume pricing for senders above 5 million emails a month.
  • Deep deliverability heritage from SparkPost's infrastructure years.
  • SMS, WhatsApp and voice on the same platform through Bird.
What to watch for
  • The SparkPost brand is gone — sparkpost.com redirects to bird.com, which surprises people mid-migration.
  • No permanent free tier; production sending requires a payment method.
  • The email product now sits inside a much larger suite, so the focus is split.
  • Per-email rates above the plan aren't published as a simple table.
21Hosted service

Mailchimp Transactional

Best for: Teams already on a paid Mailchimp plan who need product email too

Mandrill, renamed in autumn 2025. Sold in blocks of 25,000 emails as an add-on to a paid Mailchimp plan rather than as a standalone product — which is the single most important thing to know about it.

Starts at
$20 per block of 25,000 emails, up to 20 blocks
Free tier
500 test emails to your own verified domain
Marketing
None — Mailchimp itself is the marketing side, and a separate subscription
Data region
United States
What it does well
  • Block pricing is simple: $20 buys 25,000 emails and doesn't expire monthly the way a plan allowance does.
  • Shares an account with Mailchimp marketing, so both live in one login.
  • Templates and reporting inherit Mailchimp's maturity.
  • Transactional SMS available on Essentials and above.
What to watch for
  • It's an add-on: you need a legacy, Standard or Premium Mailchimp plan to buy it at all.
  • Capped at 20 blocks — 500,000 emails a month.
  • The Mandrill rename in autumn 2025 means older documentation and blog posts use a different name.
  • Paying for a Mailchimp Standard plan you don't otherwise need makes the effective price much higher than $20.
22Hosted service

SocketLabs

Best for: Mid-volume senders who want deliverability consulting alongside the API

A long-standing infrastructure provider that leans on hands-on deliverability help rather than developer-experience polish. Straightforward plans, a free first month, and people who will look at your sending with you.

Starts at
Core $39.95/mo, with the first month free
Free tier
The first month of Core is $0
Marketing
None — transactional and bulk relay
Data region
United States
What it does well
  • Pro 100k at $89.95/mo covers 100,000 emails a month.
  • Deliverability guidance is a genuine part of the offer, not a support tier.
  • The first month of Core costs nothing.
  • Established infrastructure with a long operating history.
What to watch for
  • $39.95/mo is a high floor next to SendLayer's $5 or MailerSend's $5.60.
  • No permanent free tier.
  • Developer experience is dated against Resend or Postmark.
  • No marketing side — no contacts, segments or campaigns.
23Hosted service

Amazon Pinpoint

Best for: Nothing new — AWS ends support on 30 October 2026

AWS's customer engagement service for email, SMS, push and voice. AWS has announced it will end support for Amazon Pinpoint on 30 October 2026, after which the console and resources are no longer available. Anyone still on it is migrating.

Starts at
Pay-as-you-go: first 5,000 monthly targeted endpoints free, then $0.0012 each
Free tier
5,000 monthly targeted endpoints and 100,000,000 events a month
Marketing
Campaigns, journeys and segmentation — all going away with the service
Data region
Your choice of AWS region
What it does well
  • Deep integration with the rest of AWS, and email delivered through SES.
  • Genuinely pay-as-you-go with no minimum charge or contract.
  • Very large free allowances on events and in-app message requests.
  • SMS, voice, push and OTP APIs continue under AWS End User Messaging.
What to watch for
  • AWS ends support on 30 October 2026 — this is a migration, not a purchase decision.
  • Console and Pinpoint resources become unavailable after that date.
  • The Deliverability Dashboard is $1,250 a month.
  • Campaign and journey features have no direct successor inside AWS.
24Hosted service

UniOne

Best for: The cheapest way to send serious volume from a hosted provider

$6 a month for 50,000 emails, and a four-month free trial at 6,000 a month before that. Nothing else in this comparison is close on price per email from a hosted service.

Starts at
Standard from $6/mo for 50,000 emails
Free tier
4 months free at 6,000 emails a month, plus 100 address validations
Marketing
Bulk sending alongside transactional; no campaign builder or segments
Data region
Multiple
What it does well
  • $6/mo for 50,000 emails works out at about $0.12 per 1,000 — SES territory, from a hosted product.
  • A four-month free trial is by far the longest here.
  • Web API, SMTP, templates and analytics included on the paid plan.
  • Overage drops to $0.30 per 1,000 at very high volume.
What to watch for
  • Very low prices attract a broad sender base on shared infrastructure; watch your own placement.
  • A dedicated IP is $40/mo plus a $20 setup fee.
  • No campaign builder, segments or automation.
  • Less well known in Western markets, with fewer public deliverability references.
25Hosted service

EmailLabs

Best for: European teams who need certifications on the contract, not just EU servers

Polish infrastructure with European servers, ISO 27001 and 27018, and Certified Senders Alliance membership — the compliance paperwork most providers make you ask for.

Starts at
Essential 30 at €23/mo for up to 100,000 emails
Free tier
STARTUP — up to 9,000 emails a month, capped at 300 a day
Marketing
None — transactional and bulk relay
Data region
European Union (Poland), on European servers
What it does well
  • 9,000 free emails a month is one of the largest permanent free allowances here.
  • €23/mo for up to 100,000 emails is excellent value at volume.
  • ISO 27001 and ISO 27018 certified, with Certified Senders Alliance membership.
  • PRO at €69/mo includes a dedicated IP and unlimited daily sending.
What to watch for
  • The free plan is capped at 300 emails a day.
  • Log retention is 7 days on Essential and 15 on PRO.
  • Support packages run up to €1,800/mo for the top tier.
  • No marketing side: no contacts, segments or campaigns.
26AGPL-3.0

useSend (formerly Unsend)

Best for: Self-hosters who want a Resend-shaped dashboard on top of their own SES account

The best-known open-source answer to this search. It wraps Amazon SES with a dashboard, contacts, campaigns and webhooks, so you pay AWS rates and keep the UI.

Starts at
Free to run; you pay Amazon SES for the sending
Free tier
Self-hosted — the software is free
Marketing
Included: contacts, campaigns and transactional in one app
Data region
Wherever you deploy it
What it does well
  • SES pricing with a real interface on top.
  • Transactional and marketing, REST API and SMTP, webhooks and inbound.
  • Docker images and a one-click Railway deploy.
What to watch for
  • Still described as beta by its own maintainers.
  • Bring your own AWS account, DNS, Postgres and Redis — and your own on-call.
  • AGPL-3.0 has real obligations if you build a product on top of it.
27AGPL-3.0

Plunk

Best for: Open-source teams who want campaigns and automation, not just an API

Transactional sending, newsletters and a workflow automation builder in one AGPL codebase, with a hosted pay-as-you-go option if you'd rather not run it.

Starts at
Self-host free, or $0.001 per email on Plunk Cloud
Free tier
Self-hosted — the software is free
Marketing
Included: campaigns plus a trigger-and-condition automation builder
Data region
Wherever you deploy it
What it does well
  • Automation flows out of the box, which most open-source options lack.
  • $0.001/email hosted pricing is genuinely pay-as-you-go — no monthly floor.
  • SMTP relay, so existing tooling keeps working.
What to watch for
  • Smaller ecosystem than the commercial APIs; fewer integrations.
  • AGPL-3.0 again — read it before embedding.
  • Self-hosting means owning deliverability, which is the hard part.
28MIT

FreeResend

Best for: Getting off Resend without touching application code

A deliberately narrow project: a self-hosted server that speaks Resend's API. Point the official Resend SDK at it with RESEND_BASE_URL and your sends go through your own SES account instead.

Starts at
Free to run; you pay Amazon SES for the sending
Free tier
Self-hosted — the software is free
Marketing
None — transactional only
Data region
Wherever you deploy it
What it does well
  • Drop-in: the official Resend Node SDK works against it unchanged.
  • MIT licensed, so no AGPL obligations.
  • Optional DigitalOcean integration creates the DNS records for you.
What to watch for
  • Small project — a few hundred stars and a short commit history. Read the code before you depend on it.
  • Needs Amazon SES, PostgreSQL and Node 18+ that you operate.
  • No campaigns, no contacts, no automation.
29AGPL-3.0

Notifuse

Best for: Self-hosters who want a visual builder and to keep their existing sending provider

Go and React, AGPL, and provider-agnostic: it drives SES, Mailgun, Postmark, Mailjet, SparkPost or plain SMTP rather than replacing them. Campaigns, A/B tests and segmentation on top.

Starts at
Self-host free, or Notifuse Cloud from $16/mo
Free tier
Self-hosted — the software is free
Marketing
Included: visual builder, scheduling, A/B tests, segmentation
Data region
Wherever you deploy it
What it does well
  • Bring your own delivery provider — switching costs you a config change, not a migration.
  • Liquid templating, REST API and webhooks for the developer side.
  • A hosted tier exists if self-hosting stops being fun.
What to watch for
  • You still need a sending provider underneath; this is the layer above it.
  • Younger and smaller than listmonk.
  • AGPL-3.0.
30AGPL-3.0

listmonk

Best for: Newsletters at volume, on hardware you already pay for

A single Go binary and a Postgres database that will happily push millions of newsletters through whatever SMTP you point it at. Mature, fast, and unapologetically list-first.

Starts at
Free to run; you pay your SMTP provider for the sending
Free tier
Self-hosted — the software is free
Marketing
That's the whole product: lists, subscribers, campaigns, templates
Data region
Wherever you deploy it
What it does well
  • The most established project here — over 22,000 GitHub stars and years of production use.
  • One binary plus Postgres. No Redis, no queue broker, no Kubernetes.
  • Handles very large lists on modest hardware.
What to watch for
  • It is not a transactional email API product — that's not what it's for.
  • Bring your own SMTP and your own deliverability.
  • The admin UI is functional rather than beautiful.
31MIT

Postal

Best for: Running your own mail server on purpose

Not an SES wrapper — a complete MTA that sends and receives. If you want to own the IPs, the queues and the reputation, this is the mature option.

Starts at
Free to run; you pay for servers and IPs
Free tier
Self-hosted — the software is free
Marketing
None; it's infrastructure
Data region
Wherever you deploy it
What it does well
  • MIT licensed, ~16,700 stars, years of production use.
  • Sends and receives — a full mail platform, not a relay.
  • Total control over IPs and routing.
What to watch for
  • You now own IP warm-up, blocklist removals and abuse handling. This is a job, not a weekend.
  • Needs a database, a message queue and correctly configured DNS.
  • Nobody to call at 3am when Gmail starts deferring you.
Migration

What moving off Resend actually involves

The send call is the smallest part. Here it is against Email Bump — same field names, different host and key.

Beforeapi.resend.com
// Resend
await fetch("https://api.resend.com/emails", {
  method: "POST",
  headers: {
    Authorization: `Bearer ${process.env.RESEND_API_KEY}`,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    from: "Acme <[email protected]>",
    to: "[email protected]",
    subject: "Your order has shipped",
    html: "<h1>On the way</h1>",
  }),
})
Afteremailbump.com
// Email Bump
await fetch("https://emailbump.com/api/v1/emails", {
  method: "POST",
  headers: {
    Authorization: `Bearer ${process.env.EMAILBUMP_API_KEY}`,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    from: "Acme <[email protected]>",
    to: "[email protected]",
    subject: "Your order has shipped",
    html: "<h1>On the way</h1>",
  }),
})
  • from, to, cc, bcc, subject, html, text, reply_to, attachments and scheduled_at all keep their names.
  • A one-element array for to is accepted, so ported clients don't need editing.
  • One to per call, with cc and bcc for copies of the same message. Each copy is its own send: its own id, its own events, and its own line against the monthly allowance.
  • The response id works with GET /v1/emails/{id}, which returns the delivery, open, click and bounce events.

What takes the actual day is everything around the call. You re-verify each sending domain with new DKIM records and wait on DNS. You export your suppression list and import it before the first send, because a bounce you already know about is not worth learning twice. You point webhooks at the new signing secret. And if you were on a dedicated IP, you warm the new one rather than moving the whole volume on a Monday.

Run both in parallel for a week if you can. Send the low-stakes traffic through the new provider first — receipts before password resets — and keep the old key alive until the delivery numbers agree.

If you need an EU region

The European options, honestly

Resend sends from the United States, and so do we. If your requirement is that email data lives in Europe rather than merely being covered by a DPA, this section is the part of the page that helps you and the part that costs us the sale.

AhaSend is the closest replacement in feel — same shape of API and SMTP, multi-region European infrastructure, 1,000 emails a month free with unlimited domains. Scaleway TEM is the sovereignty answer: €0.25 per 1,000 after 300 free a month, French-headquartered, and explicitly transactional-only, so don't plan a newsletter on it. Mailgun offers an EU region on a large established platform if procurement wants a name they recognise. MailPace and Lettermint are smaller European providers that come up repeatedly in this search for good reason.

One caution that applies to all of them: "EU sending" and "EU data residency" are different claims. Ask where the message content, the event log and the suppression list are stored, not just which IP the mail left from.

FAQ

Resend alternatives, asked and answered

What is the best alternative to Resend?

It depends on which part of Resend stopped fitting. If the bill is the problem because you pay for transactional volume and marketing contacts separately, a contact-priced platform like Email Bump or Loops collapses that into one number. If deliverability and support are the problem, Postmark. If you want to own the stack, useSend or Plunk. If you need European data residency, AhaSend or Scaleway TEM. If you have engineers and volume, Amazon SES is a fortieth of the price and none of the product.

There is no single best answer, which is why the table below compares them on price, free tier, marketing capability, license and region rather than declaring a winner.

Is there a free alternative to Resend?

Several, and they differ more than the headline numbers suggest. Mailtrap gives you 4,000 emails a month against Resend's 3,000, but caps you at 150 a day. MailerSend gives 500. AhaSend gives 1,000 with unlimited domains. Email Bump's free plan is 5,000 contacts and 5,000 emails a month, which covers campaigns and the API together. Self-hosted options are free as software but you still pay a sending provider underneath.

The free-tier comparison page works through the limit that actually bites on each one.

Is there an open-source Resend alternative?

Yes. useSend (formerly Unsend) is the closest in spirit — AGPL-3.0, wraps Amazon SES, ships a dashboard with contacts and campaigns. Plunk adds automation flows. FreeResend is MIT and speaks Resend's own API, so the official Resend SDK works against it unchanged. Notifuse sits above your existing provider. listmonk and Postal are the veterans, for newsletters and full mail serving respectively.

The self-hosting page covers what each one actually asks of you, including the part nobody advertises: deliverability becomes your job.

Why is Resend's bill higher than expected?

Usually one of three reasons. Transactional volume and marketing contacts are billed as two separate plans, so a product that sends both pays twice. Overage is charged automatically per 1,000 emails once you pass the plan's allowance, so a launch week can move the bill without you changing plans. And automation runs beyond the included 10,000 a month are metered separately.

None of that is hidden — it's on their pricing page — but it does mean the number you budgeted for is the floor rather than the total.

How hard is it to migrate off Resend?

The transactional call is the easy part. Email Bump's send endpoint takes the same field names — from, to, subject, html, text, reply_to, attachments, scheduled_at — so in most codebases you change a base URL and an API key. FreeResend goes further and implements Resend's API exactly, so the official SDK works unchanged.

The real work is the same wherever you go: re-verify your sending domains with new DKIM records, move your suppression list, and warm up if you're on a dedicated IP. Budget a day, not a sprint.

Does Resend have an EU region?

Resend sends from the United States. Teams with a GDPR-driven requirement to keep email data in Europe generally land on AhaSend, Scaleway TEM, Mailgun's EU region, or MailPace and Lettermint among the smaller European providers.

Email Bump is US-only today, so if EU residency is a hard requirement we are not the answer — that section below names the ones that are.

Try the one we make

One plan for the API and the newsletter

5,000 contacts and 5,000 emails free, no card. The transactional endpoint takes the same fields Resend's does, so the port is a base URL and a key.