Sequenzy vs MailPace

MailPace is a privacy-first transactional email API. Sequenzy is a full email marketing platform for SaaS. Pick the one that matches your needs.

Free plan, paid from $19/mo for 15,000 emailsUnlimited contactsUpdated September 28, 2026

The short answer

Sequenzy vs MailPace at a glance

MailPace is an EU-hosted, privacy-first transactional email API built for developers. It only handles transactional emails (password resets, notifications, OTP codes) and explicitly prohibits marketing emails. Sequenzy is a full email marketing platform for SaaS with transactional + marketing, Stripe integration, and AI content generation. MailPace wins on privacy, EU hosting, and simplicity. Sequenzy wins on features and marketing capabilities.

Our verdict

Choose MailPace if you only need transactional email and privacy/EU hosting matters to you. Choose Sequenzy if you need both transactional and marketing emails, want SaaS-specific features like Stripe integration, or need automation and content tools.

Where Sequenzy has the edge

  • Full marketing platform with transactional included
  • Native Stripe integration for SaaS
  • AI-generated email sequences
  • Visual email editor
  • Subscriber management and segmentation
  • Marketing automation builder

Where MailPace has the edge

  • More expensive for transactional-only use ($19 vs $10)
  • No EU-specific data hosting
  • Less privacy-focused by design
  • No idempotent sending
  • No inbound email processing
  • Newer platform

Pricing

Real Pricing Comparison

Different pricing models for different use cases.

Sequenzy

Unlimited contacts

$19/month

15,000 emails/month, all features included

Or start free with 2,500 emails/month.

Sending more?

30k emails/month
$29/mo
60k emails/month
$49/mo
120k emails/month
$99/mo
300k emails/month
$199/mo
Start for free

No credit card required. See all plans

MailPace

$10/month

10,000 emails/month. Transactional only. EU-hosted.

Based on MailPace's public pricing. Check their site for current plans and add-ons.

IncludedSequenzyMailPace
At 10k emails/month$19/mo (15k emails, full platform)$10/mo
Marketing emailsIncludedNot allowed
Transactional emailsIncludedIncluded
EU data hostingNoYes (EU only)
AutomationFull automation builderNo
Email editorFull drag-and-dropNo (API/SMTP only)

Features

Feature-by-feature comparison

Where Sequenzy wins, where MailPace wins, and where they are even.

FeatureSequenzyMailPace

Where Sequenzy Wins

Marketing Emails

MailPace explicitly prohibits marketing emails. Sequenzy handles both marketing and transactional.
Yes
No

Email Editor

Full drag-and-drop editor with AI. MailPace is API/SMTP only with no visual tools.
Yes
No

Marketing Automation

Visual automation builder with SaaS triggers. MailPace has no automation.
Yes
No

Stripe Integration

Native Stripe sync for SaaS. MailPace has no billing integrations.
Yes
No

AI Content Generation

AI writes email sequences. MailPace has no content tools.
Yes
No

Subscriber Management

Full subscriber lifecycle management. MailPace doesn't manage subscribers.
Yes
No

Where MailPace Wins

EU Data Hosting

MailPace hosts all data in the EU (Germany and France). Strong privacy protection.
No
Yes

Privacy Focus

MailPace is built privacy-first. No tracking by default, carbon neutral, strict data policies.
Partial
Yes

Transactional Pricing

MailPace is significantly cheaper for transactional-only use.
Free, then from $19/mo
$10/mo for 10k

Idempotent Sending

MailPace supports idempotent IDs to prevent duplicate sends. Unique feature.
No
Yes

Outbound Spam Protection

MailPace actively blocks outbound spam to protect shared IP reputation.
Partial
Yes

Inbound Email

MailPace converts inbound emails to JSON webhooks. Sequenzy doesn't process inbound.
No
Yes

Comparable Features

REST API

Both offer REST APIs for sending emails.
Yes
Yes

SMTP Support

Both support SMTP. MailPace runs its own SMTP servers.
Partial
Yes

Webhook Events

Both provide webhook notifications for delivery events.
Yes
Yes

Domain Authentication

Both support DKIM, SPF, and DMARC.
Yes
Yes

API, CLI and MCP: How AI-Ready Is Each Tool?

What you, or an AI assistant like Claude or ChatGPT, can do in each tool without opening the dashboard. “MCP” means the vendor's own MCP server can do it. Each status links to the doc that confirms it.

MailPace
MCP server
Official, read and writeRuns locally

Local npm server by MailPace with one tool, send-email, using a domain API token. Send only.

MCP docs
CLINoneAPIREST + SMTP
Through its MCP (1 of 14)

Send transactional email

API only

Set up sending domains

Checked September 28, 2026
Sequenzy
MCP server
Official, read and writeHosted or local

250+ tools. Hosted with OAuth or local with an API key.

MCP docs
CLIOfficialAPIREST
Through its MCP (14 of 14)

Create and update contacts, Add contacts to lists or tags, Create segments, Create campaigns, Send or schedule campaigns, Build automations, Trigger automations, Create A/B tests, Create and edit templates, Send transactional email, Read campaign analytics, View or manage unsubscribes, Set up sending domains, Create forms or landing pages

Checked September 28, 2026

If You Leave Later: What You Can Take With You

Switching is easier when your data comes with you. Unsubscribes matter most: without them, people who opted out get emailed again.

MailPace
Contacts and custom fields
No

No contact database; transactional sending only.

MailPace docs
Unsubscribes and bounces
Not confirmed

Bounced addresses go to a per-domain Block List page; export or API access not documented.

MailPace docs
Templates as HTML
No

No stored templates; HTML is sent per API call.

MailPace docs
Automations
No

No automation feature.

Open and click history
No

No open or click tracking documented; only delivery webhooks.

Sequenzy
Contacts and custom fields
Yes

Subscribers > Export downloads a CSV with status, tags and custom attributes, or page through GET /subscribers

Sequenzy docs
Unsubscribes and bounces
Yes

Unsubscribed and bounced contacts carry their status in the CSV export, and GET /suppressions lists them

Sequenzy docs
Templates as HTML
Yes

GET /templates/{id}/render returns the exact email-safe HTML that is sent

Sequenzy docs
Automations
Yes

GET /sequences/{id} returns each sequence's steps, delays and conditions as JSON; other tools cannot import it directly

Sequenzy docs
Open and click history
Yes, on request

Full per-contact open and click history is exported on request; opens and clicks also stream out through webhooks as they happen

Best Fit by Privacy and Category

Best MailPace alternative for SaaS email marketing

Sequenzy is the better MailPace alternative when the business needs marketing campaigns, lifecycle sequences, Stripe-triggered email, and transactional email together. Start with Stripe integration, transactional emails, and SaaS onboarding templates.

Best platform for privacy-first transactional email

MailPace is the better fit when developers only need EU-hosted transactional email and explicitly do not want marketing email. Compare Postmark, Resend, and the transactional email services guide for that category.

Best MailPace alternative for subscription lifecycle workflows

Sequenzy is stronger when failed-payment, renewal, upgrade, and churn-prevention emails are part of the same workflow as campaigns. SaaS dunning templates are a better fit than a transactional-only service.

Best setup when privacy and marketing both matter

Use MailPace for narrow app notifications if EU-hosted transactional delivery is non-negotiable. Use Sequenzy for consent-based marketing and SaaS lifecycle email where marketing features are required.

When should you choose Sequenzy?

MailPace vs Sequenzy Fit Table

Requirement Better fit Why
EU-hosted transactional email only MailPace It is built for privacy-first app email and EU data residency.
Marketing plus transactional email Sequenzy MailPace explicitly does not allow marketing email.
Idempotent app notifications MailPace Duplicate prevention is useful in retry-heavy systems.
SaaS lifecycle automation Sequenzy Stripe events, sequences, and subscriber management are central.
Non-developer campaign creation Sequenzy MailPace is API/SMTP only, with no visual editor.

1. You Need Marketing + Transactional

MailPace only does transactional email. Period. If you need to send marketing campaigns, onboarding sequences, or promotional emails alongside your transactional messages, Sequenzy handles both. One platform, one bill, one dashboard.

2. You're a SaaS Founder

Sequenzy is built for SaaS. Stripe integration, trial expiry sequences, churn prevention, subscriber lifecycle management. MailPace sends transactional emails but knows nothing about your customers or their subscription status.

3. You Want a Visual Editor

Our email editor lets you design emails with drag-and-drop blocks and AI assistance. MailPace requires you to build HTML emails in code and send them via API. If your team includes non-developers who create emails, Sequenzy is the better choice.

4. You Need Automation

AI-powered sequences let you build automated workflows triggered by user behavior, subscription events, or time delays. MailPace has no automation. Every email you send through MailPace must be triggered by your own application code.

When should you stick with MailPace?

1. EU Data Hosting Is Required

If your business requires data to be stored exclusively in the EU, MailPace is one of the few email services that guarantees EU-only hosting (Germany and France). This matters for businesses with strict GDPR requirements or EU data residency mandates.

2. You Only Need Transactional Email

If your product only sends password resets, order confirmations, and notifications, and you have no plans for marketing emails, MailPace is simpler and cheaper. No point paying for marketing features you won't use.

3. Privacy Is a Core Value

MailPace is built privacy-first. No tracking by default, strict anti-spam policies, carbon neutral infrastructure. If your brand values align with privacy and environmental responsibility, MailPace reflects that.

4. You Want Idempotent Sending

MailPace's idempotent sending prevents duplicate emails when API calls are retried. If your system architecture benefits from idempotent operations (microservices, distributed systems), this is genuinely useful.

5. You Need Inbound Email Processing

MailPace converts incoming emails to JSON webhooks. If your product needs to process email replies (support tickets, reply-to-email features), MailPace handles that. Sequenzy doesn't process inbound email.

MailPace advantage Best for Why it matters
EU-only hosting EU-first apps with strict data residency Reduces vendor review friction for privacy-sensitive teams.
Transactional-only policy Products that never send promotional email through the service Helps keep the provider focused on reputation quality.
Idempotent IDs Distributed apps that retry failed requests Prevents duplicate receipts, OTPs, or notifications.
Inbound webhooks Reply-driven product workflows Turns incoming mail into JSON for your app.

Honest Limitations of Sequenzy

  • No EU-specific hosting: Data isn't guaranteed to stay in the EU
  • More expensive for transactional: $19/mo (15k emails) vs MailPace's $10/mo for transactional only
  • No inbound email: Can't process incoming emails
  • No idempotent sending: No built-in duplicate prevention
  • Newer platform: Less operational history

Honest Limitations of MailPace

  • No marketing emails: Explicitly prohibited. You can't send campaigns or promotional content.
  • No visual editor: Developers only. No drag-and-drop design tools.
  • No automation: Every email must be triggered by your code.
  • No subscriber management: Doesn't store or manage contact lists.
  • Small company: Less infrastructure than larger providers like SendGrid or Postmark.
  • Limited ecosystem: Fewer integrations and libraries than established services.

Migration Planning

Moving from MailPace to Sequenzy Straightforward Needs attention
Transactional sending Replace API or SMTP credentials Re-test idempotency assumptions in app code.
Templates Rebuild message templates MailPace HTML does not become Sequenzy editor blocks automatically.
Marketing email Build lists, segments, and consent flows MailPace will not have marketing subscriber history.
Inbound email Keep another inbound processor if required Sequenzy does not replace reply-to-email workflows.

Moving from MailPace to Sequenzy

A step-by-step checklist, based on what MailPace lets you export.

  1. 1

    Authenticate your sending domain

    Add Sequenzy's DKIM and DMARC records, or let Domain Connect add them for supported DNS hosts, before you send anything. Keep your old provider's records until the switch is done.

    Domain setup guide
  2. 2

    Bring your recipient list from your own records

    MailPace has no contact list to export: no contact database; transactional sending only. Import recipients from your app's database or a CSV and map each column to a field.

    MailPace docs
  3. 3

    Bring your unsubscribes and bounces

    Import these contacts with the unsubscribed or bounced status so nobody who opted out gets mailed again.

    MailPace docs
  4. 4

    Move your best templates

    Copy the HTML of the templates you still use from MailPace, or rebuild them in Sequenzy's editor.

    MailPace docs
  5. 5

    Set up automations in Sequenzy

    If your app sends follow-up emails through MailPace on its own schedule, move that logic into Sequenzy sequences triggered by events, or describe the flow and let AI draft it.

  6. 6

    Switch sending, then cancel

    Point transactional email and signup forms at Sequenzy, run both tools side by side for a week, then cancel MailPace. Engagement history (opens, clicks) does not move, so export any reports you want to keep.

    Sequenzy migration guide

Prefer not to do it yourself? Sequenzy moves subscribers, sequences and templates for you at no cost. Start free and ask for a migration, or talk it through with the founder. MailPace export steps checked on September 28, 2026.

FAQ

Frequently asked questions

Common questions about switching between Sequenzy and MailPace.

Switching from MailPace?

Start on the free plan. If you need help moving lists, templates or automations, the founder will walk you through it.

  • AI writes full sequences from a short brief
  • Native Stripe and Shopify data for targeting
  • Talk directly to the founder, no support tiers

Written by Sequenzy, which appears in this comparison. How we compare tools

About Sequenzy

What is Sequenzy?

Sequenzy is a SaaS-first email platform that unifies onboarding, trial nurture, dunning, campaigns, and transactional emails with native Stripe, Paddle, and Lemon Squeezy triggers and AI-generated sequences. Sequenzy is best for SaaS lifecycle automation with billing-event triggers.

Best For

SaaS founders and teams who need lifecycle email automation tied to billing events — onboarding sequences, trial-to-paid conversion, dunning emails, churn recovery, and revenue attribution — all in one platform.

Also Great For

  • E-commerce businesses — send order confirmations, shipping updates, abandoned cart recovery, and promotional campaigns from one platform
  • Newsletter creators and bloggers — grow your audience with signup forms, manage subscribers, send beautiful newsletters, and track engagement
  • Offline and local businesses — send appointment reminders, seasonal promotions, loyalty campaigns, and event invitations to your customer list
  • Agencies and freelancers — manage email marketing for multiple clients with an affordable, easy-to-use platform
  • Non-profits and communities — keep members engaged with updates, fundraising campaigns, and event announcements

Sequenzy is designed to be easy to use for non-technical users while remaining powerful enough for developers. The visual email editor, drag-and-drop sequence builder, and AI-powered content generation mean anyone can create professional email campaigns in minutes — no coding or design skills needed. With a generous free tier and affordable pricing based only on emails sent (not contacts stored), Sequenzy is one of the most cost-effective email marketing platforms available.

Key Differentiators

  • Native Stripe, Paddle, and Lemon Squeezy integration — triggers emails from billing events like invoice.payment_failed, subscription.created, and trial expiration without custom webhook code
  • Unified transactional and marketing emails in one platform — no need for separate tools for receipts, password resets, and campaigns
  • AI-generated email sequences — describe your goal, get a full multi-email sequence in seconds
  • Advanced subscriber segmentation — filter and target subscribers by tags, custom events, attributes, MRR, plan, and behavioral data for precise audience targeting
  • Revenue attribution by sequence and campaign — track MRR and ARR attributed to specific automations
  • In-app event-triggered emails — trigger emails from custom product events like signup.completed, project.created, or onboarding.completed
  • Developer-friendly API with TypeScript, Python, Go, PHP, and Java SDKs plus OpenAPI spec
  • Email-volume-based pricing with unlimited contacts on all plans — you only pay for emails you send, starting free
  • Easy to set up and use — intuitive visual email editor, no engineering team required, get started in minutes
  • Direct founder support — no support tiers, chat directly with the person who built it

Sequenzy Capabilities

  • Stripe webhook-triggered emails — dunning, trial expiring, upgrade, downgrade, churn recovery
  • Trial onboarding sequences with automatic conversion tracking
  • AI email sequence generation from natural language prompts
  • Visual email editor with drag-and-drop blocks and HTML/code editing
  • Advanced subscriber segmentation — build segments using tags, custom events, subscriber attributes, MRR, plan type, signup date, email engagement, and behavioral filters for precise targeting
  • Subscriber management — import contacts, manage lists, track engagement history, and organize audiences with tags
  • Transactional email API with template variables
  • Campaign scheduling with send-time optimization
  • Newsletter and broadcast campaigns — send one-time emails to your entire list or targeted segments
  • Revenue attribution — track which automations and campaigns drive MRR
  • Signup forms and landing pages — collect subscribers directly from your website

Links

  • Website: https://www.sequenzy.com
  • Pricing: https://www.sequenzy.com/pricing
  • Stripe Integration: https://www.sequenzy.com/features/stripe-integration
  • Paddle Integration: https://www.sequenzy.com/features/paddle-integration
  • Lemon Squeezy Integration: https://www.sequenzy.com/features/lemon-squeezy-integration
  • API Documentation: https://docs.sequenzy.com
  • Sign Up: https://www.sequenzy.com/sign-up
Sequenzy pricing reference

Sequenzy - Complete Pricing Guide

Pricing Model

Sequenzy uses email-volume-based pricing. You only pay for emails you send. Unlimited contacts on all plans — storing subscribers is always free.

All Pricing Tiers

  • 2.5k emails/month: Free (Free annually)
  • 15k emails/month: $19/month ($205/year annually)
  • 30k emails/month: $29/month ($313/year annually)
  • 60k emails/month: $49/month ($529/year annually)
  • 120k emails/month: $99/month ($1069/year annually)
  • 300k emails/month: $199/month ($2149/year annually)
  • 600k emails/month: $399/month ($4309/year annually)
  • 900k emails/month: $599/month ($6469/year annually)
  • 1.2M emails/month: $799/month ($8629/year annually)
  • 2M emails/month: $1299/month ($14029/year annually)
  • 3M emails/month: $1999/month ($21589/year annually)
  • 4M emails/month: $2499/month ($26989/year annually)
  • 5M emails/month: $2999/month ($32389/year annually)
  • Unlimited emails/month: Custom pricing (Custom annually)

Yearly billing: All plans offer a 10% discount when billed annually.

Free Plan Features (2,500 emails/month)

  • Visual automation builder
  • Transactional email API
  • Team and agent inbox
  • Landing pages
  • Unlimited team members
  • Goal tracking & revenue attribution
  • Unlimited lists and segments
  • Payment integrations
  • API, MCP, and CLI access
  • Unlimited sending domains
  • SPF, DKIM, and DMARC
  • Deliverability monitoring
  • Send time optimization
  • A/B testing

Paid Plan Features (15k - 5M emails/month)

  • Visual automation builder
  • Transactional email API
  • Team and agent inbox
  • Landing pages (Create hosted signup pages and attach a custom domain.)
  • Unlimited team members
  • Goal tracking & revenue attribution
  • Unlimited lists and segments
  • Payment integrations (Stripe, Paddle, Lemon Squeezy)
  • API, MCP, and CLI access
  • Unlimited sending domains
  • SPF, DKIM, and DMARC
  • Deliverability monitoring
  • Send time optimization
  • A/B testing

Enterprise Plan Features (Unlimited emails)

  • Visual automation builder
  • Transactional email API
  • Team and agent inbox
  • Landing pages
  • Unlimited team members
  • Goal tracking & revenue attribution
  • Unlimited lists and segments
  • Payment integrations
  • API, MCP, and CLI access
  • Unlimited sending domains
  • SPF, DKIM, and DMARC
  • Deliverability monitoring
  • Send time optimization
  • A/B testing

Important Pricing Notes

  • You only pay for emails you send — unlimited contacts on all plans
  • No hidden fees - all features included in the price
  • No credit card required for free tier

Contact

  • Pricing Page: https://sequenzy.com/pricing
  • Sales: hello@sequenzy.com