SOA

Service-Oriented Architecture (SOA) is an architectural style for building software applications as a collection of loosely coupled, interoperable services. Each service encapsulates a specific business capability and communicates with others through well-defined interfaces, commonly using SOAP, REST, or messaging protocols. SOA enables enterprise integration, reusability, and flexibility across heterogeneous systems.

SOA publishes 1 API on the APIs.io network. Tagged areas include SOA, Service-Oriented Architecture, Enterprise Integration, Web Services, and SOAP.

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

SOA’s developer surface includes code examples and 11 more developer resources.

🌐 Visit website 📡 Source on GitHub

20.8/100 emerging ▬ flat Agent 4/100 human only Full breakdown ↓
scored 2026-09-14 · rubric v0.22.0

AccessFreemium

1 APIs

SOA Service-Oriented Architecture Enterprise Integration Web Services SOAP ESB Microservices API Design Developer Tools

Kin Score

Kin Score How this is scored →
scored 2026-09-14 · rubric v0.22.0

Composite quality — 20.8/100 · emerging

Contract Quality 4.3 / 25

Developer Ergonomics 3.3 / 20

Access Clarity 3.2 / 20

Operational Transparency 1.0 / 13

Contract Governance 3.0 / 12

Discoverability 5.9 / 10

Agent readiness — 4/100 · 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 7 / 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 Well-Known Document 0 / 5

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.

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 github.com/api-evangelist/soa: open an issue to ask a question, or submit a pull request to add artifacts. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

APIs 1

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

SOA Governance and Registry

Reference resources and tooling for SOA governance, service registries, and enterprise service management. Includes patterns for service discovery, versioning, SLA management, a...

Pricing Plans 1

Published pricing tiers and plan structures.

Soa Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Soa Rate Limits

5 limits

RATE LIMITS

FinOps 1

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

Soa Finops

FINOPS

Semantic Vocabularies 1

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

Soa Context

28 classes · 6 properties

JSON-LD

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs.

SOA API Rules

5 rules · 4 warnings 1 info

SPECTRAL

JSON Schema 1

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

SOA Service

12 properties

JSON SCHEMA

JSON Structure 1

JSON Structure definitions describing this provider's data shapes.

Soa Service Structure

0 properties

JSON STRUCTURE

Examples 1

Example request and response payloads for these APIs.

Soa Service Registry Example

3 fields

EXAMPLE

Security Posture 2

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

Soa Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Soa Vulnerability Disclosure

security.txt · contact published

SECURITY

Resources

Documentation 5

Reference material describing how the API behaves

Reference Documentation

Reference Documentation

W3C SOAP Specification

W3C SOAP Specification

W3C WSDL Specification

W3C WSDL Specification

OASIS SOA Reference Model

OASIS SOA Reference Model

JSONSchema

JSONSchema

Design & Contract 3

Pagination, idempotency, versioning, errors, and events

JSONLDContext

JSONLDContext

JSONStructure

JSONStructure

Vocabulary

Vocabulary

Build 1

SDKs, sample code, and the tooling you integrate with

Examples

Examples

Access & Security 2

Authentication, authorization, and security posture

VulnerabilityDisclosure

VulnerabilityDisclosure

DomainSecurity

DomainSecurity

Company 1

The organization behind the API

Website

Website

Source (apis.yml)

deliveryModel:
  model: unknown
  open_source: false
  commercial: false
  callable_host: false
  label: Delivery model not determined — needs a product licence on record
  confidence: low
  source:
  - none
  generated: '2026-08-28'
  method: derived
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/soa.png
name: SOA
description: Service-Oriented Architecture (SOA) is an architectural style for building software applications as a collection
  of loosely coupled, interoperable services. Each service encapsulates a specific business capability and communicates with
  others through well-defined interfaces, commonly using SOAP, REST, or messaging protocols. SOA enables enterprise integration,
  reusability, and flexibility across heterogeneous systems.
url: https://raw.githubusercontent.com/api-evangelist/soa/refs/heads/main/apis.yml
tags:
- SOA
- Service-Oriented Architecture
- Enterprise Integration
- Web Services
- SOAP
- ESB
- Microservices
- API Design
- Developer Tools
created: '2025'
modified: '2026-05-02'
specificationVersion: '0.23'
apis:
- aid: soa:soa-governance
  name: SOA Governance and Registry
  description: Reference resources and tooling for SOA governance, service registries, and enterprise service management.
    Includes patterns for service discovery, versioning, SLA management, and policy enforcement in SOA environments.
  humanURL: https://en.wikipedia.org/wiki/Service-oriented_architecture
  tags:
  - SOA Governance
  - Service Registry
  - Enterprise Integration
  - Policy Management
  properties:
  - type: Documentation
    url: https://en.wikipedia.org/wiki/Service-oriented_architecture
  - type: Reference
    url: https://www.w3.org/TR/wsdl20/
common:
- type: Website
  url: https://www.w3.org/
- type: VulnerabilityDisclosure
  url: security/soa-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/soa-domain-security.yml
- type: Reference Documentation
  url: https://en.wikipedia.org/wiki/Service-oriented_architecture
- type: W3C SOAP Specification
  url: https://www.w3.org/TR/soap12/
- type: W3C WSDL Specification
  url: https://www.w3.org/TR/wsdl20/
- type: OASIS SOA Reference Model
  url: https://www.oasis-open.org/committees/tc_home.php?wg_abbrev=soa-rm
- type: JSONLDContext
  url: json-ld/soa-context.jsonld
- type: JSONSchema
  url: json-schema/soa-service-schema.json
- type: JSONStructure
  url: json-structure/soa-service-structure.json
- type: Vocabulary
  url: vocabulary/soa-vocabulary.yml
- type: Examples
  url: examples/soa-service-registry-example.json
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

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