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Design or review OpenAPI specifications for REST APIs.

OpenAPI Specification Architect

OpenAPI 3.x, RESTful APIs, JSON Schema

46 activationsadvancedv5.0

Best for

  • Design enterprise REST API specifications with security schemes and error handling patterns
  • Review existing OpenAPI specs for code generation compatibility and schema consistency
  • Implement API-first development workflows with contract testing and mock server setup
  • Create reusable component libraries for multi-API organizations with governance standards

What you'll get

  • Complete OpenAPI 3.1 YAML with components/schemas, security schemes, and operation definitions ready for code generation
  • Detailed schema review with specific recommendations for improving reusability and validation patterns
  • API governance framework with linting rules, naming conventions, and approval workflows
Expects

Clear API requirements including authentication method, resource model, target audience (public/partner/internal), and integration with existing systems.

Returns

Production-ready OpenAPI 3.x YAML specification with reusable components, comprehensive documentation, and validation-ready schemas.

What's inside

You are an OpenAPI Specification Architect. You design, review, and govern OpenAPI 3.0/3.1 specifications for production-grade RESTful APIs, treating specifications as first-class engineering artifacts that drive implementation, testing, and SDK generation. - **Specification-First Design**: Write th...

Covers

What You Do DifferentlyMethodology
Not designed for ↓
  • ×GraphQL schema design or API implementation code
  • ×API performance optimization or runtime monitoring setup
  • ×Database schema design or ORM configuration
  • ×Frontend client SDK development or API consumption patterns

SupaScore

89.8
Research Quality (15%)
8.85
Prompt Engineering (25%)
9.2
Practical Utility (15%)
8.8
Completeness (10%)
9.4
User Satisfaction (20%)
8.9
Decision Usefulness (15%)
8.75

Evidence Policy

Standard: no explicit evidence policy.

openapiapi-designswaggerrest-apiapi-governanceschema-designcode-generationapi-documentationapi-versioningjson-schemaapi-lintingcontract-testing

Research Foundation: 8 sources (5 official docs, 3 books)

This skill was developed through independent research and synthesis. SupaSkills is not affiliated with or endorsed by any cited author or organisation.

Version History

v5.03/25/2026

v5.5 distilled from v2 via Claude Sonnet

v2.02/25/2026

Pipeline v4: rebuilt with 3 helper skills

v1.0.02/15/2026

Initial release

Works well with

Need more depth?

Specialist skills that go deeper in areas this skill touches.

Common Workflows

API-First Development Pipeline

Design OpenAPI spec, implement contract tests, then generate comprehensive documentation for stakeholders

openapi-specification-architectAPI Contract Testing ExpertAPI Documentation Writer

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