SSubrupt

SendGrid (Twilio) Alternatives

Transactional EmailFree tier available
Visit SendGrid (Twilio)
PlanMonthlyAnnual
FreeFree—
Essentials 50K$19.95/mo—
Pro 100KMost popular$89.95/mo—
Pro 1.5M$599.00/mo—
See our full ranking: Best Transactional Email APIs of 2026

Verdict

SendGrid Free at 100 emails per day is honest pricing for hobby projects. At 50K-1.5M monthly volume, the tier jumps and Twilio ownership friction make alternatives compelling. Resend at $20/50K gives modern DX; Postmark wins on transactional deliverability scores; Amazon SES at $0.10/1K is flat-cheapest at high volume; Mailgun and Loops cover specific shapes.

By Subrupt EditorialPublished Reviewed

SendGrid is the longest-running mass-market transactional email service: 100 emails per day free forever, scaling pricing through 50K, 100K, 1.5M and beyond, with deliverability and IP warming infrastructure built over 15+ years. For teams that grandfathered in before 2020, the price-per-email math is hard to beat.

Where alternatives fit better in 2026: developer teams who find the Twilio-era SendGrid documentation and dashboard friction exhausting (Resend is built for this), reliability-first transactional senders who care about per-email deliverability score (Postmark publishes their score publicly and consistently leads), AWS-native teams who want the cheapest pay-per-email at high volume (Amazon SES at $0.10 per 1K), or builders who specifically want unified marketing-plus-transactional in one tool (Loops).

Decide by your engineering culture and volume. Modern DX with React Email components: Resend. Deliverability score as the primary KPI: Postmark. Already on AWS at high volume: Amazon SES. Marketing campaigns plus inbound routing depth: stay or move to Mailgun.

Affiliate disclosure: Subrupt earns a commission when you switch to a service through our recommendation links. This never changes the price you pay. We only recommend services where there's a real cost or feature advantage for you, and our picks are based on the data on this page, not on which programs pay the most.

Quick pick by use case

If you only have thirty seconds, find your situation below and skip to that pick.

If you want modern developer ergonomics with React EmailResendResend was built for the React era; $20 covers 50K emails with strong webhooks and analytics.If deliverability score is your primary KPIPostmark (ActiveCampaign)Postmark publishes their inbox-placement score publicly and has consistently led the segment.If you already operate on AWS at high volumeAmazon SESAmazon SES at $0.10 per 1,000 emails is flat-cheapest, especially when sending from EC2 (62K/mo free).If you need inbound email routing plus outboundMailgunMailgun ships strong inbound routing with regex-based rules from $35/month for 50K.If you want unified transactional plus marketing on one platformLoopsLoops combines transactional and marketing email with audience segmentation from a free 1,000-contact tier.

At a glance: SendGrid (Twilio) alternatives

Quick comparison across pricing floor, best fit, and switching effort. Tap a row to jump to the full pick.

Our picks for SendGrid (Twilio) alternatives

#1

Resend

Free tierLow switching effort

Best for modern developer ergonomics

Try Resend

Resend was launched in 2023 by the team behind React Email and is built around what SendGrid teams kept asking for: a clean API, first-class TypeScript, React Email component support, and webhooks that work without phantom retries. Free at 3,000 emails per month is enough for most early-stage SaaS; $20 covers 50K and Pro at $80 covers 100K with custom domains and dedicated IP add-ons. The dashboard ships analytics that match what most teams actually look at without requiring a Twilio Console detour.

Strengths

  • +Free 3K/mo with no credit card required
  • +$20/50K is half SendGrid Pro 100K math at the same volume
  • +React Email native support
  • +Modern webhooks with idempotent delivery

Trade-offs

  • −Smaller historical track record than SendGrid
  • −Marketing email features narrower (no full campaign tooling)
  • −Fewer pre-built integrations than SendGrid
Free
3,000 emails/mo (100/day)
Pro 50K
$20/mo
Pro 100K
$80/mo
Founded
2023
Migration steps
  1. Sign up at resend.com (no credit card).
  2. Verify your sending domain via DNS (SPF + DKIM + DMARC).
  3. Replace SendGrid SDK calls with Resend SDK; the API surface is intentionally similar.
  4. Run two weeks side by side; cut DNS over once your deliverability metrics match or beat SendGrid.

Not for: Pass on Resend if you need SendGrid-style marketing campaign tooling; the marketing surface is intentionally narrower.

Paid plans from $20.00/mo

#2

Postmark (ActiveCampaign)

Free tierMedium switching effort

Best when transactional deliverability is the primary KPI

Try Postmark (ActiveCampaign)

Postmark made deliverability the product. The company publishes a public delivery score and has led the segment in inbox placement for years. The transactional-versus-broadcast separation forces a discipline (transactional streams will not be reused for marketing blasts) that protects your sender reputation. Pricing at $15 for 10K emails is competitive at lower tiers; the per-K cost stays predictable as you scale to 50K and 300K.

Strengths

  • +Industry-leading transactional deliverability scores
  • +Hard split between transactional and broadcast streams
  • +$15 covers 10K monthly
  • +Strong MJML template support

Trade-offs

  • −Free tier is a 100-email lifetime trial only (no recurring free tier)
  • −Marketing campaign features narrower than SendGrid
  • −Acquired by ActiveCampaign in 2022, brand direction is uncertain
Free
100 emails total trial
10K
$15/mo
50K
$55/mo
300K
$305/mo
Migration steps
  1. Sign up at postmarkapp.com.
  2. Configure SPF, DKIM, and DMARC for your sending domain.
  3. Migrate templates and define which streams are transactional vs broadcast.
  4. Cut over send code; monitor deliverability score in the Postmark dashboard for two weeks before fully replacing SendGrid.

Not for: Postmark is overkill if you have no recurring free tier need and your cheapest credible competitor is the deciding factor; Resend or Amazon SES are both cheaper at the same volume.

Paid plans from $15.00/mo

#3

Amazon SES

Free tierHigh switching effort

Best for AWS-native teams at high volume

Try Amazon SES

Amazon SES is the cheapest credible transactional email service: $0.10 per 1,000 emails, $0.12 per GB of attachment data, and 62,000 emails per month free when sending from EC2. The trade-off is operational responsibility: SES is a sending pipe, not an email product. You build the templating, analytics, and unsubscribe flow yourself or via libraries. For AWS-native engineering teams who already run on EC2, Lambda, or ECS, this trade is clearly worth it; for non-AWS teams, the operational overhead usually wipes out the per-email savings.

Strengths

  • +$0.10 per 1,000 emails (cheapest at high volume)
  • +62K/mo free from EC2
  • +Native IAM integration for AWS-shop security
  • +Multi-region SES regions for compliance

Trade-offs

  • −No built-in templating, analytics, or unsubscribe flow
  • −Console UX is utility-grade, not product-grade
  • −IP warming requires careful operation
Free from EC2
62,000/mo
Pay-as-you-go
$0.10/1K
Attachments
$0.12/GB
Dedicated IP
$24.95/mo
Migration steps
  1. Verify your sending domain in the SES console (SPF + DKIM + DMARC).
  2. Request production access (SES starts in sandbox by default).
  3. Build or pull in templating and unsubscribe logic; SES will not provide these.
  4. Run side by side with SendGrid for 2-4 weeks before cutting over completely.

Not for: Avoid Amazon SES if your team does not have AWS DevOps capacity; the per-email savings does not pay back the operational lift for most teams under 1M emails per month.

Paid plans from $24.95/mo

#4

Mailgun

Free tierMedium switching effort

Best for inbound email routing plus outbound

Try Mailgun

Mailgun's inbound email routing is the best-in-class in the segment: regex-based routes that fire webhooks on incoming mail, supporting workflows where customer email becomes a structured event in your application (helpdesk intake, parsing receipts, threaded reply emails). Outbound at 50K starts at $35/month, 100K at $80, and Scale at $90+ for higher tiers. For teams whose use case includes inbound, Mailgun fits better than SendGrid or Resend.

Strengths

  • +Strongest inbound email routing in segment
  • +Per-tier pricing scales smoothly
  • +Email validation API included
  • +TLS-required option on Scale tier

Trade-offs

  • −Free tier is a 30-day 5K trial only
  • −Brand reputation has wavered since the Sinch acquisition
  • −Documentation has not kept pace with newer entrants
Trial
5K emails for 30 days
Foundation 50K
$35/mo
Growth 100K
$80/mo
Scale
$90+/mo
Migration steps
  1. Sign up at mailgun.com.
  2. Verify sending domain (SPF + DKIM + DMARC).
  3. If you need inbound routing, configure routes and webhook endpoints first.
  4. Cut outbound code over; run two weeks side by side with SendGrid before fully decommissioning.

Not for: Pass on Mailgun if you only need outbound; cheaper modern options (Resend, Amazon SES) cover that without inbound complexity you do not use.

Paid plans from $35.00/mo

#5

Loops

Free tierLow switching effort

Best for unified transactional plus marketing email

Try Loops

Loops combines transactional email and marketing campaigns on one platform with audience segmentation, A/B testing, and a free tier covering 1,000 contacts. For early-stage SaaS that wants both the welcome email triggered by signup (transactional) and the weekly customer newsletter (marketing) on one tool, Loops works in that mode. Pro 10K at $49 and Pro 50K at $199 scale predictably. The trade-off vs SendGrid Marketing Campaigns is depth: Loops has fewer audience-segmentation primitives but a much cleaner operator UX.

Strengths

  • +Free 1,000 contacts plus unlimited transactional
  • +Unified transactional and marketing
  • +Modern operator UX
  • +API matches the React-era developer experience

Trade-offs

  • −Audience segmentation depth narrower than SendGrid Marketing Campaigns
  • −Newer brand with less operational track record
  • −Pro 50K at $199 is more than Resend at the same volume
Free
1,000 contacts + unlimited transactional
Pro 10K
$49/mo
Pro 50K
$199/mo
Founded
2022
Migration steps
  1. Sign up at loops.so (free).
  2. Verify your sending domain.
  3. Migrate audience contacts via CSV or API.
  4. Replace SendGrid Marketing Campaigns with Loops audiences; cut transactional last after deliverability checks.

Not for: Loops is not the right call if you specifically need marketing-campaign segmentation depth; SendGrid or a dedicated ESP like Customer.io or Mailmodo is shaped better.

Paid plans from $49.00/mo

When to stay with SendGrid (Twilio)

Stay with SendGrid if you depend on the Marketing Campaigns hybrid model, your existing IP warming history matters for deliverability, or your team has standardized on SendGrid's templating and Twilio's wider product line. The list below favors developer-led workflows, EU data residency, predictable pay-as-you-go pricing, and modern API ergonomics.

5 Alternatives to SendGrid (Twilio)

ResendFree tier

Resend starts at $20.00/mo vs SendGrid (Twilio) Pro 100K at $89.95/mo

From $20.00/mo

Save $69.95/mo ($839.40/yr)

Switch to Resend
Postmark (ActiveCampaign)Free tier

Postmark (ActiveCampaign) starts at $15.00/mo vs SendGrid (Twilio) Pro 100K at $89.95/mo

From $15.00/mo

Save $74.95/mo ($899.40/yr)

Switch to Postmark (ActiveCampaign)
MailgunFree tier

Mailgun starts at $35.00/mo vs SendGrid (Twilio) Pro 100K at $89.95/mo

From $35.00/mo

Save $54.95/mo ($659.40/yr)

Switch to Mailgun
Amazon SESFree tier

Amazon SES starts at $24.95/mo vs SendGrid (Twilio) Pro 100K at $89.95/mo

From $24.95/mo

Save $65.00/mo ($780.00/yr)

Switch to Amazon SES
LoopsFree tier

Loops starts at $49.00/mo vs SendGrid (Twilio) Pro 100K at $89.95/mo

From $49.00/mo

Save $40.95/mo ($491.40/yr)

Switch to Loops

Price Comparison

Compared against SendGrid (Twilio) Pro 100K ($89.95/mo)

Continue your research

Resend alternativesPostmark (ActiveCampaign) alternativesAmazon SES alternativesMailgun alternatives

How we picked

Transactional email alternatives are scored on developer ergonomics, deliverability score history, per-email cost at high volume, and operational shape (transactional only, transactional plus inbound, transactional plus marketing). Each pick leads on one axis.

Pricing is taken from each vendor's site on the review date. Deliverability scores depend on sender reputation, which transfers slowly when you migrate; budget 2-4 weeks of side-by-side sending before fully cutting over.

Update history1 update
  • Initial published version with 5 picks.

Frequently asked questions about SendGrid (Twilio) alternatives

How long does email deliverability take to recover after a migration?

Sender reputation is tied to your domain plus the IP block. New IPs (whether shared on a new ESP or dedicated) need warming up, which takes 2-4 weeks of gradual volume ramp. During the migration window, run both ESPs side by side and route low-stakes emails through the new ESP first.

Why is Amazon SES so much cheaper than the others?

SES is a sending pipe, not a product. The other ESPs charge for templating, analytics dashboards, deliverability monitoring, support, and pre-built unsubscribe flows. SES's $0.10 per 1K is the raw infrastructure cost; the others' per-email price covers the product layer on top.

What about MailerSend, Brevo, or other smaller ESPs?

MailerSend and Brevo (formerly Sendinblue) are credible mid-market alternatives. We focused this comparison on the highest-search-volume choices; both Brevo and MailerSend cover similar shape to Resend or Postmark and are worth evaluating for European data residency or specific pricing tiers.

Should I use a dedicated IP?

Below 100K emails per month, shared IPs typically deliver better than dedicated IPs because the shared sender pool has established reputation. Above 100K, dedicated IPs let you control your own reputation and are usually worth the $24.95/mo or higher add-on. The exact threshold varies by ESP.

Are SPF, DKIM, and DMARC really required?

Yes for any modern transactional email. Gmail and Yahoo enforced authentication for bulk senders in 2024. Without all three configured correctly, your delivery rate to major inbox providers drops noticeably. Every ESP above provides the DNS records you need to add to your domain.

SE

About the author: Subrupt Editorial

The team behind subrupt.com. We track subscriptions, surface cheaper alternatives, and publish comparisons where the score formula is on the page so you can recompute it yourself. We do not claim 30,000 hours of testing. What we claim is live pricing from our database, a transparent composite score, and honest savings math against a category baseline.

Get notified of price drops for SendGrid (Twilio)

We'll email you when SendGrid (Twilio) or its alternatives lower their prices.

Track SendGrid (Twilio) and find more savings

Add SendGrid (Twilio) to your dashboard to monitor spending and discover even more alternatives.

Go to Dashboard