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API-Fiddle

API-Fiddle is an interactive, collaborative API design platform for creating professional APIs based on OpenAPI. It provides first-class support for OpenAPI 3.x, data transfer objects, API versioning, suggested response codes, parameter serialization, pagination patterns, and response structuring best practices. API-Fiddle enables seamless sharing of API definitions with teams without requiring user accounts, making it accessible for collaboration throughout the API design lifecycle.

1 APIs 5 Capabilities 6 Features 38.8 / 100 thin
API DesignOpenAPICollaborationDocumentationPlatform

API Rating

38.8/ 100
thin
Scored 2026-05-20 · rubric v0.3
Discoverability80.0
Contract Quality73.5
Governance0.0
Operational Transparency31.6
Developer Ergonomics2.2
Commercial Clarity39.5

APIs

API-Fiddle

The API Fiddle API provides programmatic access to the API Fiddle design platform, enabling management of projects, specifications, workspaces, sharing, and export capabilities....

Capabilities

API-Fiddle API Fiddle API — Export

API-Fiddle API Fiddle API — Export. 1 operations. Lead operation: API-Fiddle Export a project. Self-contained Naftiko capability covering one Api Fiddle business surface.

Run with Naftiko

API-Fiddle API Fiddle API — Projects

API-Fiddle API Fiddle API — Projects. 5 operations. Lead operation: API-Fiddle List projects. Self-contained Naftiko capability covering one Api Fiddle business surface.

Run with Naftiko

API-Fiddle API Fiddle API — Sharing

API-Fiddle API Fiddle API — Sharing. 3 operations. Lead operation: API-Fiddle List sharing settings. Self-contained Naftiko capability covering one Api Fiddle business surface.

Run with Naftiko

API-Fiddle API Fiddle API — Specifications

API-Fiddle API Fiddle API — Specifications. 5 operations. Lead operation: API-Fiddle List specifications. Self-contained Naftiko capability covering one Api Fiddle business surf...

Run with Naftiko

API-Fiddle API Fiddle API — Workspaces

API-Fiddle API Fiddle API — Workspaces. 5 operations. Lead operation: API-Fiddle List workspaces. Self-contained Naftiko capability covering one Api Fiddle business surface.

Run with Naftiko

Features

OpenAPI-First Design

Design professional REST APIs directly in the OpenAPI specification format with first-class support for OpenAPI 3.x standards.

Collaborative Playground

Share API definitions with teams without requiring user accounts, enabling frictionless collaboration across the API design process.

Data Transfer Object Support

First-class support for data transfer objects, enabling well-structured API schemas and reusable component definitions.

API Versioning

Built-in guidance and support for API versioning strategies to help teams manage API evolution over time.

Best Practice Guidance

Provides extensive guidance on parameter serialization, pagination patterns, response structuring, and suggested response codes.

Automation-Optimized

Specifications are optimized for automation and code generation, enabling integration into CI/CD pipelines and developer toolchains.

Use Cases

API Design and Prototyping

Design and prototype REST APIs using OpenAPI before implementation, enabling API-first development workflows.

Team Collaboration on API Specs

Collaborate with distributed teams on OpenAPI specifications without requiring accounts, reducing friction in the review process.

API Documentation

Generate and publish professional API documentation from OpenAPI specifications with integrated tooling.

Integrations

GitHub

GitHub App integration for connecting API Fiddle projects to GitHub repositories for version control and CI/CD workflows.

OpenAPI Ecosystem

Exports standard OpenAPI 3.x specifications compatible with the full OpenAPI tooling ecosystem including generators, validators, and documentation tools.

Semantic Vocabularies

Api Fiddle Context

13 classes · 6 properties

JSON-LD

Resources

🔗
Website
Website
📰
Blog
Blog
👥
GitHubRepository
GitHubRepository

Sources

Raw ↑
aid: api-fiddle
name: API-Fiddle
description: API-Fiddle is an interactive, collaborative API design platform for creating professional APIs based on OpenAPI.
  It provides first-class support for OpenAPI 3.x, data transfer objects, API versioning, suggested response codes, parameter
  serialization, pagination patterns, and response structuring best practices. API-Fiddle enables seamless sharing of API
  definitions with teams without requiring user accounts, making it accessible for collaboration throughout the API design
  lifecycle.
type: Index
image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
tags:
- API Design
- OpenAPI
- Collaboration
- Documentation
- Platform
url: https://raw.githubusercontent.com/api-evangelist/api-fiddle/refs/heads/main/apis.yml
created: '2025-01-08'
modified: '2026-05-19'
specificationVersion: '0.19'
apis:
- aid: api-fiddle:api-fiddle
  name: API-Fiddle
  description: The API Fiddle API provides programmatic access to the API Fiddle design platform, enabling management of projects,
    specifications, workspaces, sharing, and export capabilities. It allows developers to automate API design workflows, collaborate
    on OpenAPI specifications, and integrate API Fiddle into their development pipelines.
  humanURL: https://api-fiddle.com/
  tags:
  - API Design
  - OpenAPI
  - Collaboration
  properties:
  - type: Documentation
    url: https://api-fiddle.com/
  - type: OpenAPI
    url: openapi/api-fiddle-api-fiddle-openapi.yml
  - type: JSONSchema
    url: json-schema/api-fiddle-project-schema.json
  - type: JSONSchema
    url: json-schema/api-fiddle-specification-schema.json
  - type: JSONSchema
    url: json-schema/api-fiddle-workspace-schema.json
  - type: JSONLD
    url: json-ld/api-fiddle-context.jsonld
  - type: NaftikoCapability
    url: capabilities/api-fiddle-export.yaml
  - type: NaftikoCapability
    url: capabilities/api-fiddle-projects.yaml
  - type: NaftikoCapability
    url: capabilities/api-fiddle-sharing.yaml
  - type: NaftikoCapability
    url: capabilities/api-fiddle-specifications.yaml
  - type: NaftikoCapability
    url: capabilities/api-fiddle-workspaces.yaml
common:
- type: Website
  url: https://api-fiddle.com/
- type: Blog
  url: https://blog.api-fiddle.com/
- type: GitHubRepository
  url: https://github.com/apps/api-fiddle
- type: Features
  data:
  - name: OpenAPI-First Design
    description: Design professional REST APIs directly in the OpenAPI specification format with first-class support for OpenAPI
      3.x standards.
  - name: Collaborative Playground
    description: Share API definitions with teams without requiring user accounts, enabling frictionless collaboration across
      the API design process.
  - name: Data Transfer Object Support
    description: First-class support for data transfer objects, enabling well-structured API schemas and reusable component
      definitions.
  - name: API Versioning
    description: Built-in guidance and support for API versioning strategies to help teams manage API evolution over time.
  - name: Best Practice Guidance
    description: Provides extensive guidance on parameter serialization, pagination patterns, response structuring, and suggested
      response codes.
  - name: Automation-Optimized
    description: Specifications are optimized for automation and code generation, enabling integration into CI/CD pipelines
      and developer toolchains.
- type: UseCases
  data:
  - name: API Design and Prototyping
    description: Design and prototype REST APIs using OpenAPI before implementation, enabling API-first development workflows.
  - name: Team Collaboration on API Specs
    description: Collaborate with distributed teams on OpenAPI specifications without requiring accounts, reducing friction
      in the review process.
  - name: API Documentation
    description: Generate and publish professional API documentation from OpenAPI specifications with integrated tooling.
- type: Integrations
  data:
  - name: GitHub
    description: GitHub App integration for connecting API Fiddle projects to GitHub repositories for version control and
      CI/CD workflows.
  - name: OpenAPI Ecosystem
    description: Exports standard OpenAPI 3.x specifications compatible with the full OpenAPI tooling ecosystem including
      generators, validators, and documentation tools.
maintainers:
- FN: Kin Lane
  email: [email protected]