API Changelog

A chronological log of changes, improvements, and new features in the akousa.net Developer API.

Versioningv1.1.0

81Endpoints

17API Endpoint Groups

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X-API-Version Header

2026-03-18

All v1 responses now include the X-API-Version: 1.0.0 header. Clients can use this header to verify which API version served the response and to implement version-aware logic in their integrations.

X-API-Version Headerhttp

X-API-Version: 1.1.0

Deprecation Header Support

2026-03-10

The API is versioned via the URL path. The current version is v1. All responses include an X-API-Version header. Deprecated endpoints signal removal via Deprecation and Sunset headers (RFC 8594). Breaking changes will result in a new version.

POST /api/v1/sandboxPOST /api/v1/tools/{slug}

Deprecation Header Supporthttp

Deprecation: @1772323200
Link: </docs/api/changelog#changelog-deprecationHeaders>; rel="deprecation", </api/v1/tools/{slug}>; rel="successor-version"

Response Format Unification

2026-02-25

The API uses standard HTTP status codes. Error responses include a JSON body with an error field describing the issue.

Response Format Unificationjson

{
  "ok": false,
  "error": "Invalid API key",
  "code": "UNAUTHORIZED",
  "status": 401
}

v1.0.0 — Initial Release

2026-02-01

Authenticate with a single API key, send standard HTTP requests, and receive predictable JSON responses. A complete OpenAPI 3.1 specification and interactive code examples in 8 languages make integration fast.

Developer API Reference