# Change Log

**Canonical:** https://apis.io/providers/change-log/  
**Website:** https://apievangelist.com  
**APIs profiled:** 0

An index and topic collection covering developer changelog publishing, release-notes platforms, and API change-tracking services. Change Log services help product, engineering, and developer-relations teams communicate releases, deprecations, and breaking changes to customers and integrators through structured changelog feeds, in-app widgets, and machine-readable diffs. This collection includes dedicated changelog publishing platforms like LaunchNotes, AnnounceKit, Beamer, and Canny, API specification diffing tools like oasdiff and Optic, and the broader ecosystem of API management and product-update platforms that expose changelog feeds, release notes, and version-tracking capabilities.

## Kin Score — 9.6 / 100 (minimal)

Scored 2026-10-17 under rubric 0.24.0. Trend: flat (+0.1 from 9.5).

| Facet | Score |
|---|---|
| Discoverability | 48.2 |
| Contract Quality | 14.7 |
| Contract Governance | 0.0 |
| Operational Transparency | 5.3 |
| Developer Ergonomics | 9.5 |
| Access Clarity | 0.0 |

Regulatory layer — **Horizontal (data, software, accessibility, platform)**: 4.9 (matched via fallback).

## Agent readiness — 0.0 (human-only)

| Dimension | Value |
|---|---|
| Spec Presence | no |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | no |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | no |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |

## Use cases (8)

- **Public API Changelog Publishing** — API providers publish customer-facing changelogs of new endpoints, breaking changes, and deprecations on platforms like LaunchNotes or Bump.sh to keep integrators informed.
- **Automated Breaking-Change Detection** — Engineering teams run oasdiff or Optic in CI to detect breaking changes between OpenAPI versions and block merges that would silently break consumers.
- **In-App Product Update Announcements** — Product teams use Beamer, AnnounceKit, or Chameleon to show in-app changelog widgets that notify end users of new features without leaving the application.
- **Customer Feedback to Release Loop** — Teams use Canny or Productboard to collect feedback, prioritize features, and then announce shipped work back to the same customers via a connected changelog.
- **Developer Portal Release Notes** — API management platforms like Apigee, Kong, and SwaggerHub publish release notes alongside API documentation so developer portals stay current with each version.
- **Open Source Release Documentation** — Open source projects follow the Keep a Changelog convention and pair it with GitHub or GitLab releases to publish human-readable changelogs alongside semantic version tags.
- **Deprecation Lifecycle Communication** — API teams use changelog platforms to announce upcoming deprecations, surface them through Deprecation HTTP headers, and track adoption of newer versions.
- **Customer-Facing Status and Release Notes** — Incident and status platforms like Statuspage combine system status with release notes so customers see both reliability and feature updates in one place.

## Tags

Changelog, Release Notes, API Versioning, Product Updates, Spec Diff, Deprecation

---

Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/change-log/). Scores are computed from the provider's own public artifacts under a published rubric.