Email delivery that
reaches inboxes
Enterprise email delivery and marketing automation in a single self-hosted platform. Transactional API, drip campaigns, multi-channel messaging, and AI-powered optimization.
Everything you need to deliver email
From transactional API to marketing automation, Flowvaro handles the entire email lifecycle.
Email API
RESTful API and SMTP relay with sub-12ms latency. Send transactional emails at scale with built-in tracking, bounce handling, and retry logic.
Marketing Automation
Visual drip campaign builder with branching logic, A/B testing, and smart scheduling. Automate your entire email marketing workflow.
Email Validation
Real-time and bulk email validation. Catch invalid addresses before they damage your sender reputation. Built-in suppression lists.
Multi-Channel
Reach customers on SMS, WhatsApp, and web push alongside email. Unified contact profiles and cross-channel campaign orchestration.
AI-Powered
AI subject line generator, content writer, and send-time optimizer. Self-hosted AI models for complete data privacy with no third-party API calls.
Analytics
ClickHouse-powered real-time dashboards. Track delivery, engagement, geographic data, and domain reputation with custom report builder.
Up and running in minutes
Three steps to start delivering emails with Flowvaro. No complex setup required.
Add Your Domain
Add your sending domain and verify DNS records. Flowvaro auto-generates DKIM, SPF, and DMARC configurations for maximum deliverability.
Integrate the API
Drop in our REST API or SMTP relay. SDKs available for Go, Node.js, Python, PHP, Ruby, and Java. Send your first email in under 5 minutes.
Start Sending
Monitor delivery in real-time from the analytics dashboard. Automatic bounce handling, reputation monitoring, and intelligent retry logic.
Why Flowvaro?
See how Flowvaro compares to other email platforms. More features, lower cost, full control.
| Feature | Flowvaro | Mailgun | SendGrid | Klaviyo |
|---|---|---|---|---|
| Price per 100K emails | $0.33 | $0.80 | $0.75 | $1.50 |
| Self-hosted option | Yes | No | No | No |
| ClickHouse analytics | Yes | No | No | No |
| Built-in AI features | Yes | No | Limited | Limited |
| Multi-channel (SMS, WhatsApp) | Yes | No | SMS only | SMS only |
| Email validation | Built-in | Add-on | Add-on | No |
| Visual campaign builder | Yes | No | Yes | Yes |
| Open-source MTA | KumoMTA | Proprietary | Proprietary | Proprietary |
Ready to improve your email deliverability?
Start with 1,000 free emails per month. No credit card required.