portscan-com

portscan.com provides a free online port scanner and a public HTTP API that lets anyone scan TCP ports on an IP address without requiring an account, API key, or signup. The service offers fast scans of common ports (about 20 seconds) and deep scans of all 65,535 ports (60‑300 seconds), includes service and version detection via nmap, reverse DNS lookup, and supports both IPv4 and IPv6. Documentation is available at https://api.portscan.com/, and a developer portal at https://mcp.portscan.com/. The website https://portscan.com/ describes the offering and provides links to the API and terms of service.

portscan-com publishes 2 API contracts indexed on the APIs.io network: Deep API and Fast API. Tagged areas include Networking, Security, Port Scanning, Free Tool, and API.

The portscan-com catalog on APIs.io includes 1 JSON-LD context and 1 Spectral governance ruleset.

portscan-com’s developer surface includes documentation, API reference, getting-started guide, and 24 more developer resources.

🌐 Visit website 📡 Profile data on GitHub

48.0/100 developing Agent 38/100 agent ready Full breakdown ↓
scored 2026-10-31 · rubric v0.25.0 · Show this score on your site →

1 published contract 1 MCP Servers 2 Agent Skills

Networking SecurityPort ScanningFree ToolAPI

Kin Score

Kin Score How this is scored →
scored 2026-10-31 · rubric v0.25.0

Composite quality — 48.0/100 · developing

Contract Quality 10.5 / 21

Developer Ergonomics 7.6 / 17

Access Clarity 3.6 / 17

Operational Transparency 4.3 / 11

Contract Governance 8.1 / 10

Discoverability 5.5 / 9

Regulatory Posture 3.7 / 15

Agent readiness — 38/100 · agent ready

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

Documented Reversibility 0 / 6

MCP Server 12 / 12

Machine-Readable Auth 0 / 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 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

Pagination 5 / 5

Distinct Operations 3 / 3

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/.

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

Machine-Readable Auth +10 pts — a served openid-configuration/oauth-authorization-server carrying `issuer` (served), else the securitySchemes class in the provider OpenAPIs — bound (mutualTLS, DPoP, Signature) > negotiable (oauth2 authorizationCode/clientCredentials, openIdConnect) > bearer (http bearer, apiKey)
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
Delegated User Identity +6 pts — a served discovery document listing authorization_code in grant_types_supported (served), else an oauth2 authorizationCode flow or openIdConnect declared in an OpenAPI (documented)
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):

Access Clarity scores 21.1 — up to +15.8 composite points
Contract Quality scores 49.5 — up to +12.6 composite points
Developer Ergonomics scores 44.5 — up to +11.1 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/portscan-com/apis.yml: open an issue on github.com/api-evangelist/portscan-com 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 →

APIs 2

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

portscan-com Deep API

The Deep API from portscan-com — 2 operation(s) for deep.

portscan-com Fast API

The Fast API from portscan-com — 2 operation(s) for fast.

MCP Servers 1

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

portscan-com MCP Server

Remote MCP server at api.portscan.com.

MCP SERVER

Agent Skills 2

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

deep-scan

AGENT SKILL

fast-scan

AGENT SKILL

Rate Limits 1

Documented rate limits and quota policies.

Portscan Com Rate Limits

4 limits

RATE LIMITS

Semantic Vocabularies 1

JSON-LD contexts and semantic vocabularies used across these APIs.

Portscan Com Context

4 classes · 23 properties

JSON-LD

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs.

portscan-com API Rules

10 rules · 8 errors 1 warnings 1 info

SPECTRAL

JSON Schema 2

Standalone JSON Schema definitions for this provider's data models.

ScanQueued

6 properties

JSON SCHEMA

ScanResult

15 properties

JSON SCHEMA

Security Posture 3

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

Portscan Com Authentication

1 scheme

SECURITY

Portscan Com Domain Security

TLSv1.3 · HSTS · DNSSEC · DMARC

SECURITY

Portscan Com Vulnerability Disclosure

security.txt · contact published

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Portscan Com Agentic Access

6 operations · 2 acting

AGENTIC

Resources

Get Started 2

Portal, sign-up, and the first successful call

GettingStarted

GettingStarted

DeveloperPortal

DeveloperPortal

Documentation 2

Reference material describing how the API behaves

Documentation

Documentation

APIReference

APIReference

Agent Surfaces 5

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgentSkill

LLMsTxt

MCPServer

WellKnown

Design & Contract 6

Pagination, idempotency, versioning, errors, and events

Spectral

JSONLD

Vocabulary

DataModel

ErrorCatalog

Conformance

Build 1

SDKs, sample code, and the tooling you integrate with

ToolCrosswalk

ToolCrosswalk

Access & Security 5

Authentication, authorization, and security posture

Security

Security

SecurityTxt

SecurityTxt

SecurityTxt

SecurityTxt

VulnerabilityDisclosure

VulnerabilityDisclosure

DomainSecurity

DomainSecurity

Operate 1

Status, limits, changes, and where to get help

RateLimits

RateLimits

Commercial 2

Pricing, plans, and the legal terms of use

TermsOfService

TermsOfService

PrivacyPolicy

PrivacyPolicy

Company 1

The organization behind the API

Website

Website

Other 2

Properties that don't map to a standard resource type

Hosts

Hosts

Vendors

Vendors

Source (apis.yml)

aid: portscan-com
name: portscan-com
description: portscan.com provides a free online port scanner and a public HTTP API that lets anyone scan TCP ports on an
  IP address without requiring an account, API key, or signup. The service offers fast scans of common ports (about 20 seconds)
  and deep scans of all 65,535 ports (60‑300 seconds), includes service and version detection via nmap, reverse DNS lookup,
  and supports both IPv4 and IPv6. Documentation is available at https://api.portscan.com/, and a developer portal at https://mcp.portscan.com/.
  The website https://portscan.com/ describes the offering and provides links to the API and terms of service.
image: https://portscan.com/og-image.png
url: https://artifacts.apis.io/portscan-com/apis.yml
x-type: company
x-source: harvest:mcp-registry
x-tier: profiled
x-tier-reason: enrichment pass 2026-10-31 (modular-v1; was harvest)
specificationVersion: '0.20'
created: '2026-10-31'
modified: '2026-10-31'
tags:
- Networking
- Security
- Port Scanning
- Free Tool
- API
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: AgenticAccess
  url: agentic-access/portscan-com-agentic-access.yml
- type: RateLimits
  url: rate-limits/portscan-com-rate-limits.yml
- type: Spectral
  url: rules/portscan-com-rules.yml
- type: JSONLD
  url: json-ld/portscan-com-context.jsonld
- type: Vocabulary
  url: vocabulary/portscan-com-vocabulary.yml
- type: AgentSkill
  url: skills/_index.yml
- type: DataModel
  url: data-model/portscan-com-data-model.yml
- type: Security
  url: security/portscan-com-vulnerability-disclosure.yml
- type: ErrorCatalog
  url: errors/portscan-com-problem-types.yml
- type: Conformance
  url: conformance/portscan-com-conformance.yml
- type: LLMsTxt
  url: llms/portscan-com-llms.txt
- type: ToolCrosswalk
  url: mcp/portscan-com-tool-crosswalk.yml
- type: MCPServer
  url: mcp/portscan-com-mcp.yml
- type: SecurityTxt
  url: well-known/portscan-com-security.txt
- type: SecurityTxt
  url: well-known/portscan-com-a-security.txt
- type: WellKnown
  url: well-known/portscan-com-well-known.yml
- type: Hosts
  url: hosts/portscan-com-hosts.yml
- type: Vendors
  url: vendors/portscan-com-vendors.yml
- type: TermsOfService
  url: https://portscan.com/terms
- type: PrivacyPolicy
  url: https://portscan.com/privacy
- type: VulnerabilityDisclosure
  url: security/portscan-com-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/portscan-com-domain-security.yml
- type: Website
  url: https://portscan.com/
- type: Documentation
  url: https://api.portscan.com/
- type: APIReference
  url: https://api.portscan.com/
- type: GettingStarted
  url: https://api.portscan.com/
- type: DeveloperPortal
  url: https://mcp.portscan.com/
apis:
- aid: portscan-com:portscan-com-deep-api
  name: portscan-com Deep API
  description: The Deep API from portscan-com — 2 operation(s) for deep.
  humanURL: https://api.portscan.com/
  baseURL: https://api.portscan.com
  tags:
  - Deep
  properties:
  - type: OpenAPI
    url: openapi/portscan-com-deep-api-openapi.yml
  - type: JSONSchema
    url: json-schema/portscan-com-scan-result-schema.json
  - type: JSONSchema
    url: json-schema/portscan-com-scan-queued-schema.json
- aid: portscan-com:portscan-com-fast-api
  name: portscan-com Fast API
  description: The Fast API from portscan-com — 2 operation(s) for fast.
  humanURL: https://api.portscan.com/
  baseURL: https://api.portscan.com
  tags:
  - Fast
  properties:
  - type: OpenAPI
    url: openapi/portscan-com-fast-api-openapi.yml
  - type: JSONSchema
    url: json-schema/portscan-com-scan-result-schema.json
  - type: JSONSchema
    url: json-schema/portscan-com-scan-queued-schema.json
x-enrichment:
  date: '2026-10-31'
  status: enriched
  artifacts_added: 31
  pass: modular-v1
  engine: identity=oss,contract=oss,surfaces=oss,docs=oss,regulatory=oss

portscan-com API — frequently asked questions

Does portscan-com have an API?

Yes. APIs.io lists 2 APIs from portscan-com, including portscan-com Deep API and portscan-com Fast API.

Is there an OpenAPI specification for the portscan-com API?

Yes. APIs.io indexes 2 OpenAPI specifications for portscan-com, each linked for download from this page.

How do I authenticate with the portscan-com API?

portscan-com documents its authentication (1 scheme). The details are profiled on APIs.io as Portscan Com Authentication.

Does portscan-com have an MCP server?

Yes. APIs.io lists 1 MCP server for portscan-com: Remote MCP server at api.portscan.com.

Is the portscan-com API ready for AI agents?

portscan-com has a Kin Score of 48.0 out of 100 (developing) and an Agent Readiness score of 37.9 (agent-ready), scored by API Evangelist on 2026-10-31.

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