PuTTY

PuTTY is a free and open-source terminal emulator, serial console and network file transfer application. It supports several network protocols, including SCP, SSH, Telnet, rlogin, and raw socket connection.

PuTTY publishes 1 API on the APIs.io network. Tagged areas include Network Tools, Open Source, Remote Access, SSH, and Terminal.

PuTTY’s developer surface includes documentation and 2 more developer resources.

🌐 Visit website 📡 Source on GitHub

19.7/100 emerging ▬ flat Agent 3/100 human only Full breakdown ↓
scored 2026-08-05 · rubric v0.9.1

AccessFreemium

1 APIs

Network ToolsOpen SourceRemote AccessSSHTerminal

Kin Score

Kin Score How this is scored →
scored 2026-08-05 · rubric v0.9.1

Composite quality — 19.7/100 · emerging

Contract Quality 0.0 / 25

Developer Ergonomics 1.7 / 20

Commercial Clarity 7.9 / 20

Operational Transparency 4.1 / 13

Governance 0.0 / 12

Discoverability 5.9 / 10

Agent readiness — 3/100 · human only

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 10

MCP Server 0 / 12

Machine-Readable Auth 0 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 7 / 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

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/putty: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 1

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

PuTTY

Terminal emulator and SSH client for Windows and Unix platforms.

Pricing Plans 1

Published pricing tiers and plan structures.

Putty Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Putty Rate Limits

5 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Putty Finops

FINOPS

Security Posture 1

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

Putty Domain Security

TLSv1.2 · HSTS · DMARC

SECURITY

Resources

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Company 1

The organization behind the API

Website

Website

Source (apis.yml)

aid: putty
name: PuTTY
description: PuTTY is a free and open-source terminal emulator, serial console and network file transfer application. It supports
  several network protocols, including SCP, SSH, Telnet, rlogin, and raw socket connection.
type: Index
accessModel:
  pricing: freemium
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Freemium
  confidence: medium
  source:
  - plans
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/putty.png
tags:
- Network Tools
- Open Source
- Remote Access
- SSH
- Terminal
url: https://raw.githubusercontent.com/api-evangelist/putty/refs/heads/main/apis.yml
created: '2024-01-01'
modified: '2026-03-16'
specificationVersion: '0.19'
apis:
- aid: putty:putty
  name: PuTTY
  description: Terminal emulator and SSH client for Windows and Unix platforms.
  humanURL: https://www.putty.org/
  tags:
  - Remote Access
  - SSH
  - Telnet
  - Terminal
  properties:
  - type: Documentation
    url: https://www.chiark.greenend.org.uk/~sgtatham/putty/docs.html
common:
- type: DomainSecurity
  url: security/putty-domain-security.yml
- type: Website
  url: https://www.putty.org
- type: Documentation
  url: https://www.chiark.greenend.org.uk/~sgtatham/putty/docs.html
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com