Federal Aviation Administration

FAA NMS System Metrics Feed

Unauthenticated JSON feed backing the NOTAM Management Service system metrics dashboard — cumulative NOTAMs processed, NMS API onboarded users, NMS API volume of data pulled per day, number of API calls per day, volume of NOTAMs processed per day and active NOTAMs, each with a period, direction and percentage trend, plus an updatedOn timestamp. This is the only published operational-health signal for any FAA API. Verified live 2026-07-28 (HTTP 200).

GitHub

Documentation

📖
Documentation
https://nms.aim.faa.gov/

Other Resources

🔗
StatusPage
https://nms.aim.faa.gov/#system-metrics

API entry from apis.yml

apis.yml Raw ↑ 
aid: faa:faa-nms-metrics-feed
name: FAA NMS System Metrics Feed
description: Unauthenticated JSON feed backing the NOTAM Management Service system metrics dashboard —
  cumulative NOTAMs processed, NMS API onboarded users, NMS API volume of data pulled per day, number
  of API calls per day, volume of NOTAMs processed per day and active NOTAMs, each with a period, direction
  and percentage trend, plus an updatedOn timestamp. This is the only published operational-health signal
  for any FAA API. Verified live 2026-07-28 (HTTP 200).
humanURL: https://nms.aim.faa.gov/
baseURL: https://nms.aim.faa.gov/data/content.json
tags:
- Metrics
- Operations
- NOTAM
- Open Data
- Observability
properties:
- type: Documentation
  url: https://nms.aim.faa.gov/
- type: StatusPage
  name: NMS system metrics dashboard
  url: https://nms.aim.faa.gov/#system-metrics