Rules and limits for alerts

This document contains some technical rules and limits for New Relic alerting functionality.

Note that if your New Relic organization has multiple accounts, an account does not inherit the alert policies of other accounts. You must create alert policies separately for each account.

The following rules apply both to the New Relic user interface and to the REST API (v2).

Alerts	Minimum value	Maximum value
Alert policies:
Alert policy name	1 character	64 characters
Policies per account	n/a	10000 policies
Products per policy	any New Relic product (APM, mobile monitoring, synthetic monitoring, etc.)	any New Relic product
Alert conditions:
Condition name	1 character	128 characters
Conditions per policy	0 conditions	500 conditions
Infrastructure alert conditions	0 conditions	3700 conditions
NRQL query conditions OR Web app response percentiles per account	0 conditions	4000 conditions
Targets (product entities) per condition	1 target	1000 targets from 1 or more products
Thresholds per condition	0 Warnings, 1 Critical	1 Warning, 1 Critical
Alert violations:
Custom violation descriptions		4000 characters
Duration for condition violation	5 minutes Exception: 1 minute for `at least once` conditions, because the violation could occur during the first minute (or any minute).	2 hours
Violations per incident	1 violation	10,000 violations Violations beyond this limit will not be persisted.
Violation Search API - Page Size	1 page (less than or equal to 25 violations)	1000 pages (25K violations) Tip Only use the `only-open` parameter to retrieve all open violations. If you have more than 25K open violations and need to retrieve them via the REST API, please contact New Relic Support.
Notification channels:
Notification channel name	1 character	64 characters
Channels per account	n/a	2500 channels per type Exception: No limits for user channels
Channel limitations	Depends on channel	Depends on channel

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