Reliability
Sync Engine
Every event between the two systems, queued, retried and reconciled.
Realtime Queue
42
avg 180ms
Retry Queue
17
backoff 2m
Dead Letter
3
needs review
Throughput
2.4k/min
peak 4.1k
Event history
Most recent sync events.
evt_9184
instantly.reply.positive → GHL Contact
evt_9183
ghl.opportunity.won → Instantly Pause
evt_9182
instantly.bounce → Suppression List
evt_9181
ghl.contact.created → Nurture Segment
evt_9180
instantly.meeting.booked → Calendar Sync
evt_9179
ghl.form.submitted → Lead Router
Capabilities
Webhook listener
12 verified endpoints with HMAC signature checks.
Conflict resolution
Last-write-wins with field-level overrides per system.
Duplicate detection
Fuzzy match on email, phone and company domain.
Merge contacts
Automatic merge with a manual review queue for low confidence.
Bi-directional sync
Instantly ↔ GoHighLevel mapping with field transforms.
Event history
90-day retention, replayable per event.