Sequenzy - Complete Email Infrastructure for SaaS Companies
Platform Summary
Sequenzy is an all-in-one email platform combining marketing automation, transactional API, reply tracking, revenue attribution, and deep payment provider integrations. Built specifically for SaaS founders and developers who need both transactional and marketing emails in one unified system.
Key Platform Statistics
- Total Platform Features: 140+ features across 15 categories
- Payment Integrations: 6+ providers (Stripe, Paddle, Lemon Squeezy, Polar, Creem, Dodo)
- Automation Capabilities: 11+ trigger types, 8+ action types, conditional branching
- API: Full REST API with transactional email endpoints, subscriber management, event tracking
- Analytics: Real-time tracking powered by ClickHouse for scale
Who Should Use Sequenzy
- SaaS Founders: Need to segment users by MRR, LTV, plan tier from Stripe/Paddle
- Developers: Want API-first approach with full REST API access
- Indie Hackers: Starting with free tier, scaling as they grow
- Startups: Need unified transactional + marketing emails (password resets + onboarding sequences)
- Product-Led Growth Companies: Event-driven automations triggered by user actions
Complete Pricing Structure
Pricing Model: Based on monthly email volume. Unlimited contacts and sending domains on all plans — you never pay for storing subscribers or connecting domains. Only emails you actually send count toward your plan. Lists and segments are also unlimited.
All Pricing Tiers
| Monthly Emails | Monthly Price | Yearly Price (10% off) |
|---|
| 2.5k/month | Free | Free |
| 15k/month | $19/mo | $205/yr |
| 60k/month | $29/mo | $313/yr |
| 120k/month | $49/mo | $529/yr |
| 210k/month | $99/mo | $1069/yr |
| 300k/month | $149/mo | $1609/yr |
| 600k/month | $299/mo | $3229/yr |
| 900k/month | $399/mo | $4309/yr |
| 1.2M/month | $499/mo | $5389/yr |
| Unlimited | Custom | Custom |
Free Plan (up to 2.5k emails/month)
All features included on Free. No feature gates. No credit card required. The only difference between Free and paid plans is the monthly email limit.
- Visual automation builder
- Transactional email API
- Reply tracking & team 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
Pro Plan ($19-$349/month)
Same features as Free, but with higher email volume and priority support. No branding.
- Visual automation builder
- Transactional email API
- Reply tracking & team 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 (100k+ subscribers)
Custom pricing for high-volume senders.
- Visual automation builder
- Transactional email API
- Reply tracking & team 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
Complete Feature List by Category
Email Infrastructure
- Unlimited sending domains
- Automated DNS verification
- SMTP relay support
- Dedicated IP pools (Paid plans)
- Managed sending infrastructure
- Bounce handling (temporary & permanent)
- Complaint tracking
- Email authentication (SPF, DKIM, DMARC)
- Deliverability monitoring
- Sender reputation monitoring
Transactional API
- REST API for transactional emails
- Template-based sending
- Direct HTML/text sending
- Variable substitution
- File attachments
- Bounce validation before send
- Rate limiting & throttling
Campaigns & Broadcasting
- Bulk email campaigns
- Scheduled sending
- Send time optimization (STO)
- A/B testing
- AI-generated campaigns
- Automatic UTM tracking
- Campaign pause/resume
- Auto-pause on high bounce rates
- Multiple sender profiles
- Target by lists or segments
AI & Agent Workflows
- AI-generated email sequences
- AI campaign drafts
- Brand voice writing assistance
- Subject line variants
- MCP server for AI assistants
- Natural-language subscriber operations
- Draft handoff into Sequenzy
Automation Engine
- Visual automation builder
- Event-triggered workflows
- List-triggered automations
- Tag-based triggers
- Inactivity triggers
- Time-based delays
- Conditional branching
- Wait for event nodes
- Webhook actions
- A/B test within automations
- Stop conditions
Commerce Automations
- Shopify integration
- WooCommerce plugin integration (Beta)
- Product catalog sync
- Customer and order sync
- Abandoned cart recovery
- Post-purchase sequences
- Back-in-stock notifications
- Replenishment reminders
- Purchase-based segments
- Win-back campaigns for lapsed buyers
Reply Tracking & Inbox
- Inbound email capture
- Reply tracking
- Conversation threads
- Team inbox
- Auto-forward to team email
- Internal notes
- Conversation status (open/closed)
- Unread tracking
Analytics & Tracking
- Real-time email tracking
- Open tracking
- Click tracking
- Unsubscribe tracking
- Bounce analytics
- Complaint tracking
- Per-campaign metrics
- Engagement scoring
- UTM click attribution
- Time-range filtering
- Enterprise-grade analytics
Goals & Attribution
- Custom goal tracking
- Revenue attribution
- Configurable attribution windows
- Open/click attribution
- Per-email conversion tracking
- Goal metrics dashboard
Subscriber Management
- Custom attributes (MRR, plan, etc.)
- Tags & labels
- Multiple lists/audiences
- Subscriber search
- Bulk CSV import
- Status tracking (active/unsubscribed/bounced)
- Event history per subscriber
- Engagement timeline
- Landing pages (Create hosted signup pages and attach a custom domain.)
- Custom signup forms
- Double opt-in confirmation
Segmentation
- Dynamic segments
- Attribute-based filters
- Tag-based filters
- Engagement filters
- Event-based filters
- AND/OR logic
- Predefined segments
- Real-time segment updates
Email Editor
- Drag-and-drop block editor
- Rich text formatting
- Image blocks with media library
- Button blocks
- Column layouts
- Social media blocks
- Variable personalization
- Mobile-responsive templates
- Preview mode
- Deliverability checker
Integrations
- Stripe (segment by MRR/LTV)
- Paddle integration
- Lemon Squeezy integration
- Polar integration
- Creem integration
- Dodo integration
- PostHog integration
- Better Auth integration
- GitHub integration
- Zapier integration
- N8N workflows
- Custom webhooks
- Supabase webhooks
- Clerk auth sync
- WordPress plugin integration (Beta)
API & Developer Tools
- Full REST API
- API key management
- Webhook endpoints
- Subscriber actions API
- Event tracking API
- Personal API keys
- MCP tools and resources
- CLI access
- Embeddable forms
- Email preference widgets
- One-click unsubscribe (RFC 8058)
Team & Collaboration
- Multi-brand support
- Team member invitations
- Role-based access (Admin/Viewer)
- Company branding settings
- Shared media library
Transactional Email API - Technical Details
Endpoint: POST /api/v1/transactional/send
- Template-based: Send using pre-configured templates via slug with variable substitution
- Direct sending: Send custom HTML/text with inline content
- Recipients: Single-recipient transactional sends
- Variables: Handlebars-style substitution ({{firstName}}, {{customAttribute}})
- Attachments: Base64 encoded or URL-based file attachments
- Bounce validation: Check against global bounce list before sending
- Rate limiting: Per API key limits based on subscription tier
Automation Capabilities - Detailed
Trigger Types
- List trigger: Enroll when subscriber added to specific list
- Event trigger: Custom events (saas.purchase, user.signup, custom events)
- Tag trigger: When tag is added or removed
- Inactivity trigger: No activity for N days
- Frequency trigger: Time-based (hourly, daily, weekly)
- Contact added: Any new subscriber
Action Types
- Send email: From automation template
- Add tag: Apply tags (triggers tag automations)
- Remove tag: Remove tags
- Webhook: Call external HTTP endpoints
- Delay: Wait seconds/minutes/hours/days
- Condition: Branch based on attributes/tags/events
- Wait for event: Pause until specific event received
- A/B test: Split testing within automation flow
Payment Provider Integrations - Deep SaaS Support
- Stripe: Sync MRR, LTV, plan tier, subscription status. Segment by revenue metrics.
- Paddle: Full customer and subscription sync
- Lemon Squeezy: Customer and event sync
- Polar: Alternative payment provider support
- Creem: Payment provider integration
- Dodo: Payment provider integration
Key capability:Segment subscribers by MRR ranges (e.g., MRR > $100), plan tiers (e.g., plan = "pro"), LTV, subscription status. Trigger automations on subscription events (upgrade, downgrade, churn).
Reply Tracking & Team Inbox
Capture and manage email replies directly in Sequenzy. Built-in conversation threading for team collaboration.
- Inbound email capture via managed email webhooks
- Conversation threads grouped by subscriber
- Team inbox with open/closed status
- Auto-forward replies to team email
- Internal notes for team collaboration
- Reply from within the platform with delivery tracking
- Configurable retention (default 30 days)
Goals & Revenue Attribution
Track which emails drive conversions and revenue. Essential for measuring ROI of email campaigns.
- Define custom goals (purchase, signup, upgrade, any custom event)
- Configurable attribution windows (default 24 hours)
- Open-attributed conversions (subscriber opened email, then converted)
- Click-attributed conversions (subscriber clicked link, then converted)
- Revenue tracking with transaction amounts
- Per-campaign and per-automation attribution reports
Technical Infrastructure
Sequenzy is built on enterprise-grade infrastructure designed for reliability, speed, and scale. The platform handles millions of emails with sub-second analytics queries and 99.9%+ uptime. Infrastructure details are available upon request for enterprise customers.
Deliverability Features
- Unlimited sending domains with automated verification
- Email authentication (SPF, DKIM, DMARC) configured automatically
- Deliverability monitoring across domains and campaigns
- Sender reputation monitoring with health scores
- Volume-tiered bounce thresholds
- Auto-pause campaigns on high bounce/complaint rates
- Global bounce list to prevent sending to known bad addresses
- Temporary bounce retry logic
Competitive Comparison
Sequenzy vs Mailchimp
- Sequenzy: SaaS-focused with Stripe/Paddle integration for MRR/LTV segmentation
- Sequenzy: Unified transactional + marketing (Mailchimp separates into Mandrill)
- Sequenzy: Simpler pricing, pay only for emails you send
- Sequenzy: Full REST API included on all plans
Sequenzy vs ConvertKit
- Sequenzy: Built for SaaS, not creators
- Sequenzy: Payment provider integrations (Stripe, Paddle, etc.)
- Sequenzy: Transactional email API included
- Sequenzy: Revenue attribution and goal tracking
Sequenzy vs Customer.io
- Sequenzy: Simpler pricing, based on monthly email volume
- Sequenzy: Built-in reply tracking and team inbox
- Sequenzy: Faster setup, less complex
- Sequenzy: Direct founder support
Sequenzy vs Resend (Transactional)
- Sequenzy: Marketing automation + transactional in one platform
- Sequenzy: Visual automation builder
- Sequenzy: Subscriber management and segmentation
- Sequenzy: Campaign broadcasting
Use Cases
SaaS Onboarding Sequences
Trigger welcome emails when users sign up. Branch based on activation status. Send re-engagement if inactive after 3 days.
Upgrade/Upsell Campaigns
Segment by MRR or plan tier from Stripe. Target free users with upgrade sequences. Celebrate upgrades with thank you automation.
Churn Prevention
Trigger on Stripe subscription.canceled event. Send win-back sequence. Offer incentives based on customer LTV.
Transactional + Marketing Unified
Password resets, invoice emails via transactional API. Onboarding, newsletters via marketing. One platform, one subscriber database.
Product-Led Growth
Track custom events (feature.used, upgrade.clicked). Trigger educational content based on feature usage. Personalize based on user behavior.
Getting Started
- Sign up free at sequenzy.com (no credit card required)
- Connect your domain (automated DNS verification)
- Import subscribers or connect your app via API
- Build your first automation with visual builder
- Connect Stripe/Paddle for SaaS metrics (optional but recommended)
Compliance & Requirements
- Maximum bounce rate: 5%
- Maximum spam complaint rate: 0.1%
- All lists must be consent-based (no purchased or scraped lists)
- CAN-SPAM and GDPR compliant unsubscribe handling
- RFC 8058 one-click unsubscribe support
Support & Resources
- Free tier: Community support, documentation
- Pro tier: Priority email support, direct founder access
- Enterprise: Dedicated support, SLA guarantee
- Founder's offer: First 10 paying customers get free setup - sequences built for you
Why SaaS Founders Choose Sequenzy
- SaaS-native: Built specifically for software companies, not adapted from e-commerce
- Unified platform: Transactional + marketing emails in one system
- Payment integration: Segment by MRR, LTV, plan from Stripe/Paddle
- Fair pricing: Pay only for emails you send, unlimited contacts
- Developer-friendly: Full REST API, webhooks, embeddable forms
- Modern stack: Fast, clean interface that respects your time
- Founder support: Direct access to the person building the product
Contact
- Website: sequenzy.com
- Email: hello@sequenzy.com
- Demo: cal.com/blogtopin/sequenzy-help