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FLOWS

Flows triggered by what your customers actually do.

Send the right email when the event fires — not when the calendar says. Marketers design journeys visually; engineers get trigger types, entry conditions, and version control they'd expect from any serious system.

Design visually. Execute reliably.

Build customer journeys in a visual canvas — no flowchart software, no engineering tickets, no half-finished sequences sitting in someone's drafts. Drag, drop, branch, wait, send.

Welcome Series

Active
user_signed_upEvent trigger
Wait 1 hour
Send welcome email
Plan = Premium?Branch
No
Send onboarding guide
Yes
Send VIP setup

Example metrics

2,847 trips started·91.3% completion rate·68.4% open rate

Everything you need to build production flows.

4 trigger types

Event-based, scheduled, periodic, and flow-exit. Match any pattern your business produces.

Visual canvas editor

Drag-and-drop builder with steps for sending, waiting, branching, and updating contacts.

20+ email block types

Text, image, button, columns, video, code, and more. Desktop and mobile preview built in.

Entry conditions

Qualify which contacts enter a flow. Combine segment rules with event attributes.

Flow versioning

Draft, activate, pause, and stop flows. Version history tracks every change.

Performance tracking

Trips started, trips completed, and conversion rates for every flow.

Four trigger types.

Match any pattern your business produces.

Event-based

Fire when a customer does something — signs up, makes a purchase, upgrades a plan, abandons a cart. Any event your application sends to Synapse becomes a trigger.

Scheduled

Run at a fixed date and time. Product launches, seasonal campaigns, announcement sequences — anything tied to the calendar.

Periodic

Repeat on an interval — daily, weekly, monthly. Digest emails, weekly summaries, renewal reminders that recur without manual scheduling.

Flow-exit

Trigger when a contact exits another flow. Chain sequences together: onboarding completes, then the engagement series begins.

Flows are the automation. Templates are what they send.

The Smart Suggester makes those templates writable by your whole team — marketers author the content, flows handle the timing and logic. Together, they replace the handoff chain where marketing drafts, engineering translates, and QA catches the broken brace.

Build your first flow in under thirty minutes.

Free tier — every flow capability from the first send. Visual canvas, four trigger types, entry conditions, version history. No credit card required.