Phosphorus

Phosphorus Cybersecurity is a Nashville, Tennessee cyber-physical systems (CPS) security company founded in 2017 by Chris Rouland, Earle Ady and Rebecca Rouland, and acquired by Dragos on 1 June 2026. Its agentless xIoT platform discovers, assesses, hardens and remediates IoT, OT, IIoT and IoMT devices across enterprise and critical infrastructure networks, automating credential rotation, firmware updates, certificate management, and vulnerability assessment at scale without additional hardware or endpoint agents. The platform exposes a customer-facing REST API (v2 and v3) described by an OpenAPI 3.0.0 contract that Phosphorus serves from each tenant instance at /api/swagger/public/swagger.json, covering devices, alerts, firmware, certificates, credentials, sites, search, dynamic scans, integration providers, and the Phosphorus Vault, authenticated with an X-API-KEY request header.

Phosphorus publishes 8 API contracts indexed on the APIs.io network, including Alerts API, Device API, Devices API, and 5 more. Tagged areas include Cybersecurity, xIoT Security, IoT Security, OT Security, and IoMT.

The Phosphorus catalog on APIs.io includes 1 Spectral governance ruleset.

Phosphorus’ developer surface includes support, engineering blog, and 21 more developer resources.

🌐 Visit website 📡 Profile data on GitHub

34.2/100 thin ▬ flat Agent 23/100 agent aware Front door AI 1/6 silent Heartbeat 24/100 slowing saas Full breakdown ↓
scored 2026-11-02 · rubric v0.26.0 · Show this score on your site →

1 published contract 4 Agent Skills

CybersecurityxIoT SecurityIoT Security OT Security IoMT Asset Discovery Vulnerability ManagementFirmware ManagementCertificate Management Credential Management Critical Infrastructure Device Management

What this lets a business do 1

Business capabilities this provider's published APIs can perform, derived from its own contracts. Browse all capabilities →

Cybersecurity Management

BC-620

DeviceDynamic Scans

GET /api/v2/device/{uuid}/credentials GET /api/v2/device/{uuid}/firmware GET /api/v2/device/{uuid}/scans POST /api/v3/dynamic-scans

Kin Score

Kin Score How this is scored →
scored 2026-11-02 · rubric v0.26.0

Composite quality — 34.2/100 · thin

Contract Quality 8.3 / 19

Developer Ergonomics 3.1 / 15

Access Clarity 5.1 / 15

Operational Transparency 1.3 / 10

Contract Governance 1.6 / 9

Discoverability 5.0 / 8

Regulatory Posture 4.6 / 15

Create-or-Update Ergonomics 0.0 / 10

Agent readiness — 23/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 0 / 10

Documented Reversibility 0 / 6

MCP Server 0 / 12

Machine-Readable Auth 10 / 10

Idempotency 0 / 9

Stable Error Semantics 8 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 7 / 7

Typed Event Surface 0 / 6

Agent Skills 5 / 5

Well-Known Catalog 4 / 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

Pagination 5 / 5

Distinct Operations 3 / 3

MCP Tool Quality 6 / 6

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 applies to this provider. This API accepts writes, so it carries 10 points of the composite. It is scored from the published contracts themselves: whether a caller can create-or-update in one call, whether the write accepts a key the caller already holds, and whether the response says which branch ran. Without that, every write needs a search-and-branch in front of it, and the first time that check is skipped a duplicate record is created. Scored against the observed mean rather than raw — a provider at the catalog average is unchanged by this facet, not penalised by it.

The six quality facets above are damped to 75 points between them, because the conditional facet above carries the other 25. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 75% of its nominal weight, not 100%. The full arithmetic is at apis.io/rating/.

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Agent readiness — checks not met, largest first (exact, from this profile):

MCP Server +12 pts — deployment.mode + probe verdict on the mcp/ manifest, not the pointer; an unprobed slug falls back to authorship
Agentic Access Contract +10 pts — agentic_access artifact present (x-agentic-access), graded by author
Idempotency +9 pts — OpenAPI mutating operations declare an idempotency key — a header, a request-body property, or a named de-duplication token whose own description says so (verified); else common[].type matches /idempoten/i (documented)
A2A Agent Card +8 pts — a2a/-a2a.yml manifest, graded on conformance.grade against A2A 1.0.0
Request/Response Examples +7 pts — share of operations carrying request/response examples; else an Examples / Code Samples link
Registration Without a Human +6 pts — a `registration_endpoint` in the served RFC 8414 / OIDC discovery document

7 more unmet checks in the Agent Readiness table above.

Kin Score — facets with the most composite points still available (weight × headroom):

Developer Ergonomics scores 20.8 — up to +15.8 composite points
Contract Quality scores 44.3 — up to +13.9 composite points
Access Clarity scores 34.2 — up to +13.2 composite points

Each check links to what satisfies it. Publish the artifact, or tell us where it already lives, and the score moves on the next scoring run.

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 the provider profile at artifacts.apis.io/phosphorus/apis.yml: open an issue on github.com/api-evangelist/phosphorus to ask a question or point us at an artifact you publish. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

Markets this provider is in provisional

The Kin Score Market layer reads a provider inside its market: its position, and how deep its integrations go. Depth is only comparable within a position. Provisional and unweighted: not part of the Kin Score or agent readiness.

Market	Position	Depth	Registered MCP server	Declares compatibility
ServiceNow Store (partner apps + ServiceNow Certified App)	mixed	46.2	-	-

Registered MCP server and declares compatibility are report only — not weighted. Undeclared means we found nothing we can read, so there is no number: we never infer integrations.

Standards implemented 1

Standards this provider implements or carries. De facto ones are profiled and measured by the API Commons; formal ones come from the standards directory and are linked by the provider's own tags. The evidence column says how each claim was established — not that it was made.

OpenAPI

measured — observed by APIs.io (published)

APIs 8

Individual APIs this provider publishes, each with its own machine-readable definition.

Phosphorus Alerts API

The Alerts API from Phosphorus — 1 operation(s) for alerts.

Phosphorus Device API

The Device API from Phosphorus — 8 operation(s) for device.

Phosphorus Devices API

The Devices API from Phosphorus — 1 operation(s) for devices.

Phosphorus Dynamic Scans API

The Dynamic Scans API from Phosphorus — 5 operation(s) for dynamic scans.

Phosphorus Providers API

The Providers API from Phosphorus — 5 operation(s) for providers.

Phosphorus Search API

The Search API from Phosphorus — 1 operation(s) for search.

Phosphorus Sites API

The Sites API from Phosphorus — 1 operation(s) for sites.

Phosphorus Vault API

The Vault API from Phosphorus — 2 operation(s) for vault.

Scroll for all 8

Agent Skills 4

Packaged agent skills for driving this provider's APIs from an AI assistant.

phosphorus-device-risk-triage

AGENT SKILL

phosphorus-dynamic-scan-lifecycle

AGENT SKILL

phosphorus-provider-health-audit

AGENT SKILL

phosphorus-vault-secret-handling

AGENT SKILL

Pricing Plans 1

Published pricing tiers and plan structures.

Phosphorus Plans Pricing

0 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Phosphorus Rate Limits

0 limits

RATE LIMITS

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs.

Phosphorus API Rules

53 rules · 46 errors 2 warnings 5 info

SPECTRAL

OpenAPI Overlays 1

Overlays applied on top of this provider's contracts. Each card says who wrote it: a document the provider publishes, or one API Evangelist derived or generated.

Phosphorus Api Overlay

4 actions · update · phosphorus-api-openapi.yml

DERIVED

Security Posture 3

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

Phosphorus Authentication

apiKey · 1 scheme

SECURITY

Phosphorus Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Phosphorus Vulnerability Disclosure

Hackerone · contact published

SECURITY

Resources

Get Started 1

Portal, sign-up, and the first successful call

Login

Agent Surfaces 2

MCP servers, agent skills, and machine-readable catalogs

AgentSkill

AgentSkill

LLMsTxt

LLMsTxt

Design & Contract 2

Pagination, idempotency, versioning, errors, and events

Conformance

Conformance

Lifecycle

Lifecycle

Build 2

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

GitHubOrganization

Packages

Packages

Access & Security 3

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

VulnerabilityDisclosure

VulnerabilityDisclosure

Security

Security

Operate 4

Status, limits, changes, and where to get help

RateLimits

Support

HelpCenter

Contact

Commercial 3

Pricing, plans, and the legal terms of use

TermsOfService

TermsOfService

PrivacyPolicy

PrivacyPolicy

Plans

Plans

Company 3

The organization behind the API

BlogRSS

BlogRSS

Website

Website

Blog

Blog

Other 3

Properties that don't map to a standard resource type

CapabilityMap

CapabilityMap

Overlay

Overlay

SecondaryMarketListing

SecondaryMarketListing

Source (apis.yml)

aid: phosphorus
name: Phosphorus
description: Phosphorus Cybersecurity is a Nashville, Tennessee cyber-physical systems (CPS) security company founded in 2017
  by Chris Rouland, Earle Ady and Rebecca Rouland, and acquired by Dragos on 1 June 2026. Its agentless xIoT platform discovers,
  assesses, hardens and remediates IoT, OT, IIoT and IoMT devices across enterprise and critical infrastructure networks,
  automating credential rotation, firmware updates, certificate management, and vulnerability assessment at scale without
  additional hardware or endpoint agents. The platform exposes a customer-facing REST API (v2 and v3) described by an OpenAPI
  3.0.0 contract that Phosphorus serves from each tenant instance at /api/swagger/public/swagger.json, covering devices, alerts,
  firmware, certificates, credentials, sites, search, dynamic scans, integration providers, and the Phosphorus Vault, authenticated
  with an X-API-KEY request header.
deliveryModel:
  model: saas
  open_source: false
  commercial: true
  callable_host: false
  label: Hosted service · you call their endpoint
  confidence: medium
  source:
  - openapi
  - pricing
  generated: '2026-08-28'
  method: derived
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  probe_state: covered
  source:
  - authentication
  - security
  generated: '2026-11-02'
  method: derived
image: https://phosphorus.io/wp-content/uploads/2026/01/300x300.jpg
url: https://raw.githubusercontent.com/api-evangelist/phosphorus/refs/heads/main/apis.yml
x-type: company
x-source: harvest:secondary-market
specificationVersion: '0.20'
created: '2026-08-26'
modified: '2026-10-06'
tags:
- Cybersecurity
- xIoT Security
- IoT Security
- OT Security
- IoMT
- Asset Discovery
- Vulnerability Management
- Firmware Management
- Certificate Management
- Credential Management
- Critical Infrastructure
- Device Management
apis:
- aid: phosphorus:phosphorus-alerts-api
  name: Phosphorus Alerts API
  description: The Alerts API from Phosphorus — 1 operation(s) for alerts.
  humanURL: https://phosphorus.io/platform/
  baseURL: https://{tenant}.phosphorus.io
  tags:
  - Alerts
  properties:
  - type: OpenAPI
    url: openapi/phosphorus-alerts-api-openapi.yml
  - type: Authentication
    url: authentication/phosphorus-authentication.yml
  - type: Conventions
    url: conventions/phosphorus-conventions.yml
  - type: ErrorCatalog
    url: errors/phosphorus-problem-types.yml
  - type: DataModel
    url: data-model/phosphorus-data-model.yml
  - type: RateLimits
    url: rate-limits/phosphorus-rate-limits.yml
- aid: phosphorus:phosphorus-device-api
  name: Phosphorus Device API
  description: The Device API from Phosphorus — 8 operation(s) for device.
  humanURL: https://phosphorus.io/platform/
  baseURL: https://{tenant}.phosphorus.io
  tags:
  - Device
  properties:
  - type: OpenAPI
    url: openapi/phosphorus-device-api-openapi.yml
  - type: Authentication
    url: authentication/phosphorus-authentication.yml
  - type: Conventions
    url: conventions/phosphorus-conventions.yml
  - type: ErrorCatalog
    url: errors/phosphorus-problem-types.yml
  - type: DataModel
    url: data-model/phosphorus-data-model.yml
  - type: RateLimits
    url: rate-limits/phosphorus-rate-limits.yml
- aid: phosphorus:phosphorus-devices-api
  name: Phosphorus Devices API
  description: The Devices API from Phosphorus — 1 operation(s) for devices.
  humanURL: https://phosphorus.io/platform/
  baseURL: https://{tenant}.phosphorus.io
  tags:
  - Devices
  properties:
  - type: OpenAPI
    url: openapi/phosphorus-devices-api-openapi.yml
  - type: Authentication
    url: authentication/phosphorus-authentication.yml
  - type: Conventions
    url: conventions/phosphorus-conventions.yml
  - type: ErrorCatalog
    url: errors/phosphorus-problem-types.yml
  - type: DataModel
    url: data-model/phosphorus-data-model.yml
  - type: RateLimits
    url: rate-limits/phosphorus-rate-limits.yml
- aid: phosphorus:phosphorus-dynamic-scans-api
  name: Phosphorus Dynamic Scans API
  description: The Dynamic Scans API from Phosphorus — 5 operation(s) for dynamic scans.
  humanURL: https://phosphorus.io/platform/
  baseURL: https://{tenant}.phosphorus.io
  tags:
  - Dynamic Scans
  properties:
  - type: OpenAPI
    url: openapi/phosphorus-dynamic-scans-api-openapi.yml
  - type: Authentication
    url: authentication/phosphorus-authentication.yml
  - type: Conventions
    url: conventions/phosphorus-conventions.yml
  - type: ErrorCatalog
    url: errors/phosphorus-problem-types.yml
  - type: DataModel
    url: data-model/phosphorus-data-model.yml
  - type: RateLimits
    url: rate-limits/phosphorus-rate-limits.yml
- aid: phosphorus:phosphorus-providers-api
  name: Phosphorus Providers API
  description: The Providers API from Phosphorus — 5 operation(s) for providers.
  humanURL: https://phosphorus.io/platform/
  baseURL: https://{tenant}.phosphorus.io
  tags:
  - Providers
  properties:
  - type: OpenAPI
    url: openapi/phosphorus-providers-api-openapi.yml
  - type: Authentication
    url: authentication/phosphorus-authentication.yml
  - type: Conventions
    url: conventions/phosphorus-conventions.yml
  - type: ErrorCatalog
    url: errors/phosphorus-problem-types.yml
  - type: DataModel
    url: data-model/phosphorus-data-model.yml
  - type: RateLimits
    url: rate-limits/phosphorus-rate-limits.yml
- aid: phosphorus:phosphorus-search-api
  name: Phosphorus Search API
  description: The Search API from Phosphorus — 1 operation(s) for search.
  humanURL: https://phosphorus.io/platform/
  baseURL: https://{tenant}.phosphorus.io
  tags:
  - Search
  properties:
  - type: OpenAPI
    url: openapi/phosphorus-search-api-openapi.yml
  - type: Authentication
    url: authentication/phosphorus-authentication.yml
  - type: Conventions
    url: conventions/phosphorus-conventions.yml
  - type: ErrorCatalog
    url: errors/phosphorus-problem-types.yml
  - type: DataModel
    url: data-model/phosphorus-data-model.yml
  - type: RateLimits
    url: rate-limits/phosphorus-rate-limits.yml
- aid: phosphorus:phosphorus-sites-api
  name: Phosphorus Sites API
  description: The Sites API from Phosphorus — 1 operation(s) for sites.
  humanURL: https://phosphorus.io/platform/
  baseURL: https://{tenant}.phosphorus.io
  tags:
  - Sites
  properties:
  - type: OpenAPI
    url: openapi/phosphorus-sites-api-openapi.yml
  - type: Authentication
    url: authentication/phosphorus-authentication.yml
  - type: Conventions
    url: conventions/phosphorus-conventions.yml
  - type: ErrorCatalog
    url: errors/phosphorus-problem-types.yml
  - type: DataModel
    url: data-model/phosphorus-data-model.yml
  - type: RateLimits
    url: rate-limits/phosphorus-rate-limits.yml
- aid: phosphorus:phosphorus-vault-api
  name: Phosphorus Vault API
  description: The Vault API from Phosphorus — 2 operation(s) for vault.
  humanURL: https://phosphorus.io/platform/
  baseURL: https://{tenant}.phosphorus.io
  tags:
  - Vault
  properties:
  - type: OpenAPI
    url: openapi/phosphorus-vault-api-openapi.yml
  - type: Authentication
    url: authentication/phosphorus-authentication.yml
  - type: Conventions
    url: conventions/phosphorus-conventions.yml
  - type: ErrorCatalog
    url: errors/phosphorus-problem-types.yml
  - type: DataModel
    url: data-model/phosphorus-data-model.yml
  - type: RateLimits
    url: rate-limits/phosphorus-rate-limits.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: RateLimits
  url: rate-limits/phosphorus-rate-limits.yml
- url: https://phosphorus.io/feed/
  type: BlogRSS
- type: CapabilityMap
  url: capabilities/phosphorus-capability-edges.yml
  name: Phosphorus Business Capability Map
- type: Overlay
  url: overlays/phosphorus-api-overlay.yaml
- type: AgentSkill
  url: skills/_index.yml
- type: Website
  url: https://phosphorus.io/
- type: Support
  url: https://phosphorus.io/support/
- type: HelpCenter
  url: https://support.phosphorus.io/
- type: Blog
  url: https://phosphorus.io/resource-center/blog/
- type: GitHubOrganization
  url: https://github.com/phosphorusinc
- type: TermsOfService
  url: https://phosphorus.io/terms-of-service/
- type: PrivacyPolicy
  url: https://phosphorus.io/privacy-policy/
- type: Login
  name: Partner Portal login
  url: https://partners.phosphorus.io/login
- type: Contact
  url: https://phosphorus.io/contact-us/
- type: Packages
  url: packages/phosphorus-packages.yml
- type: Conformance
  url: conformance/phosphorus-conformance.yml
- type: Lifecycle
  url: lifecycle/phosphorus-lifecycle.yml
- type: DomainSecurity
  url: security/phosphorus-domain-security.yml
- type: VulnerabilityDisclosure
  url: security/phosphorus-vulnerability-disclosure.yml
- type: Security
  url: security/phosphorus-vulnerability-disclosure.yml
- type: LLMsTxt
  url: llms/phosphorus-llms.txt
- type: Plans
  url: plans/phosphorus-plans-pricing.yml
- type: SecondaryMarketListing
  url: https://forgeglobal.com/phosphorus_stock/
x-enrichment:
  date: '2026-08-26'
  status: enriched
  artifacts_added: 23
  pass: local-v1
x-coverage:
  state: covered
  reason: contract-found
  detail: 'Phosphorus''s OpenAPI 3.0.0 contract (24 paths, 30 operations) was recovered and saved, but the human-readable
    API reference is customer-only: docs.phosphorus.io is an S3 origin returning AccessDenied (403) to the public, api.phosphorus.io
    answers 503 to anonymous callers because it is a per-tenant load balancer, and support.phosphorus.io redirects to a phosecure.atlassian.net
    Service Desk login.'
  evidence:
  - url: https://phosphorus.io/api/swagger/public/swagger.json
    status: 404
  - url: https://raw.githubusercontent.com/rapid7/r7-surcom-connectors/main/connectors/rapid7/phosphorus/refdocs/swagger.json
    status: 200
  - url: https://docs.phosphorus.io/
    status: 403
  - url: https://api.phosphorus.io/
    status: 503
  checked: '2026-08-26'

Phosphorus API — frequently asked questions

Does Phosphorus have an API?

Yes. APIs.io lists 8 APIs from Phosphorus, including Phosphorus Alerts API, Phosphorus Device API and Phosphorus Devices API, and 5 more.

Is there an OpenAPI specification for the Phosphorus API?

Yes. APIs.io indexes 8 OpenAPI specifications for Phosphorus, each linked for download from this page.

How do I authenticate with the Phosphorus API?

Phosphorus uses bearer-token authentication (apiKey · 1 scheme). The details are profiled on APIs.io as Phosphorus Authentication.

Is the Phosphorus API ready for AI agents?

Phosphorus has a Kin Score of 34.2 out of 100 (thin) and an Agent Readiness score of 23.2 (agent-aware), scored by API Evangelist on 2026-11-02.

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