---
title: "Metrics API Reference"
slug: "metrics-api-reference"
updated: 2026-07-02T18:40:21Z
published: 2026-07-02T18:40:21Z
canonical: "help.nucleussec.com/metrics-api-reference"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://help.nucleussec.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Metrics API Reference

## Available Metrics

The following table contains a full list of Metrics available via the `GET /projects/{project_id}/assets/groups/metrics` API Endpoint.

| Category | Metric Name | Description | Valid Parameters |
| --- | --- | --- | --- |
| Vulnerabilities | Active Vulnerabilities by Severity | Count of active vulnerability instances (excluding Informational) by severity. | vuln_count vuln_count_{severity} **Example:** vuln_count_critical |
| Active Vulnerabilities by Status | Count of active vulnerability instances by status. | active_count exception_requested_count fixed_count in_progress_count potential_count waiting_for_third_party_count waiting_for_verification_count |
| Average Age by Severity | Average age in days for active vulnerability instances by severity. | avg_age avg_age_{severity} **Example:** avg_age_critical |
| Discovered by Severity | Count of vulnerability instances discovered in the last *#* days by severity. | discovered_count_{# days} discovered_count_{severity}_{# days} **Examples:** discovered_count_7d discovered_count_critical_7d |
| Resolved by Severity | Count of vulnerability instances resolved in the last *#* days by severity. | resolved_count_{# days} resolved_count_{severity}_{# days} **Examples:** resolved_count_7d resolved_count_critical_7d |
| % Churn by Severity | Ratio of discovered vs. resolved vulnerability instances in the last *#* days by severity. | churn_pct_{# days} churn_pct_{severity}_{# days} **Examples:** churn_pct_7d churn_pct_critical_7d |
| SLAs & Remediation | Past Due (%) | Percent of active vulnerability instances past their due date. | past_due_pct past_due_pct_{severity} **Example:** past_due_pct_critical |
| Past Due | Number of active vulnerability instances with due dates in the past by severity. | past_due past_due_count{severity} **Example:** past_due_count_critical |
| % Active Within SLA by Severity | Percent of active vulnerability instances not past their due date by severity. | in_sla_pct in_sla_pct_{severity} **Example:** in_sla_pct_critical |
| % Resolved Past SLA by Severity | Percent of vulnerability instances resolved past their due date for the last *#* days. | resolved_past_sla_pct_{# days} resolved_past_sla_pct_{severity}_{# days} **Examples:** resolved_past_sla_pct_7d resolved_past_sla_pct_critical_7d |
| Resolved Past SLA by Severity | Count of vulnerability instances resolved past their due date for the last *#* days. | resolved_past_sla_count_{# days} resolved_past_sla_count_{severity}_{# days} **Examples:** resolved_past_sla_count_7d resolved_past_sla_count_critical_7d |
| % Resolved Within SLA by Severity | Percent of vulnerability instances resolved on or before their due date for the last *#* days. | resolved_within_sla_pct_{# days} resolved_within_sla_pct_{severity}_{# days} **Examples:** resolved_within_sla_pct_7d resolved_within_sla_pct_critical_7d |
| Resolved Within SLA by Severity | Count of vulnerability instances resolved on or before their due date for the last *#* days. | resolved_within_sla_count_{# days} resolved_within_sla_count_{severity}_{# days} **Examples:** resolved_within_sla_count_7d resolved_within_sla_count_critical_7d |
| MTTR by Severity | Mean-time-to-resolve in days for vulnerability instances resolved in the last *#* days. | mttr_{# days} mttr_{severity}_{# days} **Example:** mttr_7d mttr_critical_7d |
| No SLA by Severity | Count of active vulnerability instances without a set due date. | no_sla_count no_sla_count_{severity} **Example:** no_sla_count_critical |
| Resolved by Status | Count of vulnerability instances resolved with a given status in the last *#* days. | {status}_count_{# days} **Examples:** accepted_risk_count_7d duplicate_count_7d exception_granted_count_7d false_positive_count_7d manually_mitigated_count_7d scan_mitigated_count_7d |
| Risk & Threat Intelligence | Nucleus Risk Score | Risk Score for a given Asset Group | risk_score |
| Nucleus Threat Rating | Count of active vulnerability instances by Nucleus Threat Rating. | nucleus_threat_count nucleus_threat_count_{severity} **Examples:** nucleus_threat_count_critical |
| Nucleus Zero Day by Severity | Count of active Zero Day vulnerabilities (Nucleus Insights) by severity. | nucleus_zero_day_count nucleus_zero_day_count_{severity} **Examples:** nucleus_zero_day_count_critical nucleus_zero_day_count_high |
| Nucleus Exploited by Severity | Count of active vulnerability instances known to be exploited in the wild (Nucleus Insights). | nucleus_exploited_count nucleus_exploited_count_{severity} **Examples:** nucleus_exploited_count_critical |
| Nucleus Widely Exploited by Severity | Count of active vulnerability instances known to be widely exploited (Nucleus Insights). | nucleus_widely_exploited_count nucleus_widely_exploited_count_{severity} **Examples:** nucleus_widely_exploited_count_criticalm |
| Nucleus Exploited by Malware by Severity | Count of active vulnerability instances with known malware exploits (Nucleus Insights). | nucleus_exploited_by_malware_count nucleus_exploited_by_malware_count_{severity} **Examples:** nucleus_exploited_by_malware_count_high |
| Assets | Assets | Count of active assets. | asset_count |
| Compliance | Compliance Pass % | Percent of Compliance finding instances with a result of Passed or Warning. | compliance_pass_pct |
| Compliance Passes | Count of active vulnerability instances with a result of Passed or Warning. | compliance_pass_count |
| Ticketing | Open Tickets | Count of open tickets. NOTE: this is not the count of instances that have tickets associated with them. | open_ticket_count |
| Tickets Created | Count of tickets created in the last *#* days. | tickets_created_count tickets_created_count_{# days} **Example:** tickets_created_count_7d |
| Tickets Closed | Count of tickets closed in the last *#* days. | tickets_closed_count tickets_closed_count_{# days} **Example:** tickets_closed_count_7d |
| % Vulnerabilities Without Tickets by Severity | Percent of active vulnerability instances without an associated ticket create by severity. | no_ticket_pct no_ticket_pct_{severity} **Example:** no_ticket_pct_critical |
| % Past Due Vulnerabilities Without Tickets by Severity | Percent of active vulnerability instances past due without tickets created. | past_due_no_ticket_pct past_due_no_ticket_pct_{severity} **Example:** past_due_no_ticket_pct_critical |