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Command

nylas deliverability tracking-events summary

Show engagement totals and open and click rates.

Written by Qasim Muhammad Staff SRE

What does nylas deliverability tracking-events summary do?

The nylas deliverability tracking-events summary command reports engagement totals and open and click rates, with the change against the prior period. It covers only messages sent from an Agent Account or through Transactional send; messages from connected grants such as Google or Microsoft accounts are not included. Only messages sent with open or link tracking turned on have tracking events. Open and click rates count first interactions per tracked message.

Usage

nylas deliverability tracking-events summary [--start YYYY-MM-DD] [--end YYYY-MM-DD] [--sending-domain DOMAIN] [--json]

Flags

FlagDescription
--jsonOutput as JSON
--no-colorDisable color output
--verbose(-v)Enable verbose output
--configCustom config file path
--help(-h)Show help for the command
--limitLimit results (most list commands)
--yes(-y)Skip confirmations
--endLast UTC day, YYYY-MM-DD, inclusive (default: today)
--sending-domainOnly this sending domain
--startFirst UTC day, YYYY-MM-DD (default: 6 days before --end)

Examples

The nylas deliverability tracking-events summary command reports engagement totals and open and click rates, with the change against the prior period.

Engagement since October 1

nylas deliverability tracking-events summary --start 2026-10-01

Example output

Prior period:  2026-08-29 → 2026-09-30

TRACKED OPENS  OPENED  OPENS TOTAL  TRACKED LINKS  CLICKED  CLICKS TOTAL
900            410     820          600            75       110

RATE   VALUE   CHANGE  PRIOR
open   45.56%  —       —
click  12.50%  —       —

Troubleshooting

invalid --start value on a metrics command

Metrics windows take UTC dates in YYYY-MM-DD form, both days included, and can span at most 365 days. Unix timestamps and look-backs are for the activity list commands only.

A rate shows a dash instead of 0%

A dash means the rate has no denominator in the window (for example no sends), so there is no data. It is not a 0% rate.

Recommended guides

Run nylas deliverability tracking-events summary --help for full help output.