Cumulus Networks

Cumulus Networks was a computer networking company founded in 2010 that developed Cumulus Linux, an open Linux-based network operating system for bare-metal and white-box data-center switches, along with NetQ, a network operations and telemetry platform. It was a pioneer of open, disaggregated networking, letting operators run a standard Linux distribution on commodity switching hardware. NVIDIA acquired Cumulus Networks in May 2020, and the products are now part of NVIDIA's Ethernet switching and networking software line. The former cumulusnetworks.com and docs.cumulusnetworks.com domains now redirect to NVIDIA's networking documentation. Surfaced as a portfolio company of a16z, Battery Ventures, and Wing Venture Capital.

Cumulus Networks is profiled on the APIs.io network. Tagged areas include Company, Networking, Network Operating System, Linux, and Data Center.

Cumulus Networks’ developer surface includes documentation and 4 more developer resources.

🌐 Visit website 📡 Profile data on GitHub

6.0/100 minimal ▬ flat Agent 9/100 agent aware Full breakdown ↓
scored 2026-10-17 · rubric v0.24.0

0 APIs 1 MCP Servers

Company Networking Network Operating System Linux Data Center Switching Open Networking Telemetry Acquired

Kin Score

Kin Score How this is scored →
scored 2026-10-17 · rubric v0.24.0

Composite quality — 6.0/100 · minimal

Contract Quality 0.0 / 21

Developer Ergonomics 1.6 / 17

Access Clarity 0.0 / 17

Operational Transparency 0.3 / 11

Contract Governance 0.0 / 10

Discoverability 4.4 / 9

Regulatory Posture 0.9 / 15

Agent readiness — 9/100 · agent aware

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 10

Documented Reversibility 0 / 6

MCP Server 12 / 12

Machine-Readable Auth 0 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 0 / 7

Typed Event Surface 0 / 6

Agent Skills 0 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 0 / 4

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Well-Known Document 0 / 5

Regulatory Posture applies to this provider. Its tags matched the Horizontal (data, software, accessibility, platform) regime, so Regulatory Posture carries 15 points of the composite. If this regime is wrong for your business, say so on your provider repo — the applicability map is public and we will correct it.

Create-or-Update Ergonomics could not be measured. We hold no machine-readable contract for this provider to read, so there is nothing to measure a write surface against. Excluded rather than scored zero: never-measured and measured-empty are different facts. Publishing an OpenAPI is what makes this facet — and several others — scorable at all.

The six quality facets above are damped to 85 points between them, because the conditional facet above carries the other 15. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 85% of its nominal weight, not 100%. The full arithmetic is at apis.io/rating/.

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. Every facet and dimension name above is a link: it opens that measurement's own page — what it means, the exact checks that feed it, how the whole catalog distributes on it, and the providers at the top of it. This rating is computed from github.com/api-evangelist/cumulus-networks: open an issue to ask a question, or submit a pull request to add artifacts. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

MCP Servers 1

Model Context Protocol servers that expose these APIs to AI agents.

Cumulus Networks MCP Server

Remote MCP server at api.nvidia.com over HTTP.

MCP SERVER

Security Posture 1

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Cumulus Networks Domain Security

TLSv1.2 · DMARC

SECURITY

Resources

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

GitHubOrganization

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Company 1

The organization behind the API

Website

Website

Other 1

Properties that don't map to a standard resource type

ParentCompany

ParentCompany

Source (apis.yml)

aid: cumulus-networks
deliveryModel:
  model: unknown
  open_source: false
  commercial: false
  callable_host: false
  label: Delivery model not determined — needs a product licence on record
  confidence: low
  source:
  - none
  generated: '2026-08-28'
  method: derived
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source: []
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/cumulus-networks.png
name: Cumulus Networks
description: Cumulus Networks was a computer networking company founded in 2010 that developed Cumulus Linux, an open Linux-based
  network operating system for bare-metal and white-box data-center switches, along with NetQ, a network operations and telemetry
  platform. It was a pioneer of open, disaggregated networking, letting operators run a standard Linux distribution on commodity
  switching hardware. NVIDIA acquired Cumulus Networks in May 2020, and the products are now part of NVIDIA's Ethernet switching
  and networking software line. The former cumulusnetworks.com and docs.cumulusnetworks.com domains now redirect to NVIDIA's
  networking documentation. Surfaced as a portfolio company of a16z, Battery Ventures, and Wing Venture Capital.
url: https://raw.githubusercontent.com/api-evangelist/cumulus-networks/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- a16z
- battery-ventures
- wing-venture-capital
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.23'
created: '2026-07-17'
modified: '2026-08-21'
x-docs-platform: swagger-ui
x-docs-platform-confidence: medium
x-docs-platform-checked: 2026-09-24
tags:
- Company
- Networking
- Network Operating System
- Linux
- Data Center
- Switching
- Open Networking
- Telemetry
- Acquired
tags_raw:
- Company
- Networking
- Network Operating System
- Linux
- Data Center
- Switching
- Open Networking
- Telemetry
- Data-Center
- Acquired
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: ParentCompany
  url: https://apis.io/providers/nvidia/
  name: Nvidia
  x-relationship: acquisition
  x-generated-by: nvidia-family:2026-08-21
- type: DomainSecurity
  url: security/cumulus-networks-domain-security.yml
- type: Website
  url: https://www.nvidia.com/en-us/networking/ethernet-switching/
- type: Documentation
  url: https://docs.nvidia.com/networking-ethernet-software/
- type: GitHubOrganization
  url: https://github.com/CumulusNetworks
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence
x-parent: nvidia
x-relationship: acquisition
x-status: acquired
x-acquired-by: nvidia
x-acquired-year: 2020
x-status-source: https://cumulusnetworks.com 301 -> https://www.nvidia.com/en-us/networking/ethernet-switching/ (checked 2026-09-24);
  NVIDIA completed the Cumulus acquisition 2020

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