Jargon website screenshot

Jargon

Jargon is a platform for Domain Driven Design for APIs and Enterprise Data Modelling. It provides text-based modelling, template-based API design, real-time validation, version control with breaking change detection, and generation of artifacts including JSON Schema, OpenAPI specifications, and JSON-LD. Jargon supports DevOps-driven collaborative modelling for teams designing and governing domains at enterprise scale.

Jargon publishes 1 API on the APIs.io network. Tagged areas include API Design, Data Modelling, Domain Driven Design, Domains, and JSON Schema.

Jargon’s developer surface includes documentation, engineering blog, and 4 more developer resources.

🌐 Visit website 📡 Source on GitHub
20.8/100 emerging ▬ flat Agent 3/100 human only Full breakdown ↓
scored 2026-08-05 · rubric v0.9.1
AccessFreemium
1 APIs
API DesignData ModellingDomain Driven DesignDomainsJSON SchemaOpenAPIPlatform

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-08-05 · rubric v0.9.1
Composite quality — 20.8/100 · emerging
Contract Quality 0.0 / 25
Developer Ergonomics 2.2 / 20
Commercial Clarity 7.9 / 20
Operational Transparency 4.8 / 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/jargon: 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.

Jargon Platform

Jargon's collaborative modelling platform for designing, governing, and scaling domain models with generation of OpenAPI, JSON Schema, and JSON-LD artifacts. A public REST API i...

Pricing Plans 1

Published pricing tiers and plan structures.

Jargon Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Jargon Rate Limits

5 limits

RATE LIMITS

FinOps 1

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

Jargon Finops

FINOPS

Security Posture 1

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

Jargon Domain Security

TLSv1.3 · HSTS · 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 3

The organization behind the API

LinkedIn
LinkedIn
 Website
Website
 Blog
Blog

Source (apis.yml)

apis.yml Raw ↑ 
aid: jargon
name: Jargon
description: Jargon is a platform for Domain Driven Design for APIs and Enterprise Data Modelling. It provides text-based
  modelling, template-based API design, real-time validation, version control with breaking change detection, and generation
  of artifacts including JSON Schema, OpenAPI specifications, and JSON-LD. Jargon supports DevOps-driven collaborative modelling
  for teams designing and governing domains at enterprise scale.
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
position: Consumer
access: 3rd-Party
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/jargon.png
tags:
- API Design
- Data Modelling
- Domain Driven Design
- Domains
- JSON Schema
- OpenAPI
- Platform
url: https://raw.githubusercontent.com/api-evangelist/jargon/refs/heads/main/apis.yml
created: '2025-01-08'
modified: '2026-04-28'
specificationVersion: '0.19'
apis:
- aid: jargon:jargon-platform
  name: Jargon Platform
  description: Jargon's collaborative modelling platform for designing, governing, and scaling domain models with generation
    of OpenAPI, JSON Schema, and JSON-LD artifacts. A public REST API is not currently published.
  humanURL: https://jargon.sh/
  tags:
  - API Design
  - Domain Driven Design
  - Modelling
  properties:
  - type: Documentation
    url: https://docs.jargon.sh
  - type: Website
    url: https://jargon.sh/
common:
- type: DomainSecurity
  url: security/jargon-domain-security.yml
- type: GitHubOrganization
  url: https://github.com/JargonInc
- type: LinkedIn
  url: https://www.linkedin.com/company/jargon-com
- type: Website
  url: https://jargon.sh/
- type: Documentation
  url: https://docs.jargon.sh
- url: https://blog.jargon.sh/feed.xml
  type: Blog
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com