Dev
Dummy API Changelog Generator
Used by developers, writers, and creators worldwide.
A dummy API changelog generator creates realistic versioned changelog entries following the Keep a Changelog format, tailored for REST APIs. API consumers need to know exactly what changed between versions — what was added, what broke, what got deprecated. Writing convincing placeholder changelogs by hand is slow and inconsistent, especially when you need four or five versions of realistic history fast. This generator produces multi-version documents with Added, Changed, Deprecated, Removed, and Fixed sections for any API name you supply. Set the API Name to something like "Payments API" or "Auth Service", choose how many versions to generate, and get structured changelog text ready for developer portals, documentation demos, or parser testing.
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How to use
- Choose your options above
- Click Generate
- Copy your result
Use Cases
- •Seeding a developer portal like ReadMe or Redocly with realistic mock changelog history before launch
- •Testing a Markdown changelog parser or renderer component with multi-version structured input
- •Creating versioned API changelog examples for a REST API design tutorial or course
- •Demonstrating a developer portal prototype to stakeholders using a convincing Payments API history
- •Generating fixture data for snapshot tests that validate changelog display in a Storybook component
FAQ
what is the keep a changelog format and why do apis use it
Keep a Changelog is a convention that organizes release notes into labeled sections — Added, Changed, Deprecated, Removed, Fixed, and Security — for each version. API teams adopt it because consumers can scan a single section to find breaking changes or new endpoints without reading prose. The generated output follows this structure so it drops straight into existing documentation pipelines.
how should breaking changes be flagged in an api changelog
Breaking changes belong in the Changed or Removed sections and should include a short migration note, such as which parameter was renamed or which endpoint was replaced. Best practice is to announce deprecations one version before removal so consumers have a migration window. The generated entries model this pattern across multiple versions.
what does semantic versioning mean for rest apis
Semantic versioning uses a MAJOR.MINOR.PATCH scheme: bump MAJOR for breaking changes, MINOR for backward-compatible new features, and PATCH for bug fixes. For REST APIs this often maps to URL path versioning like /v2/ when a breaking change ships. The generated changelog reflects realistic version number progressions across all entries.