JSON Binding

Jakarta JSON Binding (JSON-B) defines a standard binding layer for converting Java objects to and from JSON documents. It specifies a default mapping algorithm for serializing and deserializing existing Java classes to and from JSON, while enabling developers to customize the mapping process through a Java API. JSON-B 3.0 is the stable release shipped with Jakarta EE 10, with version 3.1 under development for Jakarta EE 12.

JSON Binding publishes 1 API on the APIs.io network. Tagged areas include Java, JSON, JSON Binding, Jakarta EE, and Serialization.

JSON Binding’s developer surface includes documentation and 3 more developer resources.

🌐 Visit website 📡 Source on GitHub

12.4/100 emerging ▬ flat Agent 3/100 human only Full breakdown ↓
scored 2026-08-25 · rubric v0.14.0

AccessFreemium

1 APIs

Java JSONJSON BindingJakarta EE Serialization

Kin Score

Kin Score How this is scored →
scored 2026-08-25 · rubric v0.14.0

Composite quality — 12.4/100 · emerging

Contract Quality 0.0 / 25

Developer Ergonomics 1.9 / 20

Access Clarity 3.2 / 20

Operational Transparency 1.4 / 13

Contract Governance 0.0 / 12

Discoverability 5.9 / 10

Agent readiness — 3/100 · human only

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 10

Documented Reversibility 0 / 6

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

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Surface 0 / 5

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/json-binding: 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

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Rate Limits 1

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Json Binding Rate Limits

5 limits

RATE LIMITS

FinOps 1

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Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Build 1

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GitHubOrganization

GitHubOrganization

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Company 1

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Website

Website

Source (apis.yml)

aid: json-binding
name: JSON Binding
description: Jakarta JSON Binding (JSON-B) defines a standard binding layer for converting Java objects to and from JSON documents.
  It specifies a default mapping algorithm for serializing and deserializing existing Java classes to and from JSON, while
  enabling developers to customize the mapping process through a Java API. JSON-B 3.0 is the stable release shipped with Jakarta
  EE 10, with version 3.1 under development for Jakarta EE 12.
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/json-binding.png
tags:
- Java
- JSON
- JSON Binding
- Jakarta EE
- Serialization
url: https://raw.githubusercontent.com/api-evangelist/json-binding/refs/heads/main/apis.yml
created: '2025-01-01'
modified: '2026-04-28'
specificationVersion: '0.23'
apis:
- aid: json-binding:json-b
  name: Jakarta JSON Binding
  description: The Jakarta JSON Binding specification for marshaling Java objects to JSON and unmarshaling JSON back into
    Java objects. Provides a default mapping algorithm and customization through annotations and a runtime configuration API
    for consistent JSON binding across the Jakarta EE ecosystem.
  humanURL: https://jakarta.ee/specifications/jsonb/
  tags:
  - Java
  - JSON Binding
  - Serialization
  properties:
  - type: Documentation
    url: https://jakarta.ee/specifications/jsonb/
  - type: Specification
    url: https://jakarta.ee/specifications/jsonb/3.0/
common:
- type: DomainSecurity
  url: security/json-binding-domain-security.yml
- type: Website
  url: https://jakarta.ee/specifications/jsonb/
- type: Documentation
  url: https://jakarta.ee/specifications/jsonb/
- type: GitHubOrganization
  url: https://github.com/jakartaee/jsonb-api
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

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JSON Binding

Kin Score

APIs 1

Jakarta JSON Binding

Pricing Plans 1

Json Binding Plans Pricing