ReleaseRun provides free REST APIs for software version lifecycle and end-of-life data covering 430+ products. No API key required. CORS enabled for all origins.

Base URLs

Hub API Endpoints

GET /{product}/versions/

Returns all versions for a product with lifecycle dates.

curl https://releaserun.com/hub-api/v1/python/versions/

{
  "versions": [
    {
      "minor_version": "3.14",
      "latest_patch": "3.14.3",
      "release_date": "2025-10-07",
      "eol_date": "2030-10-31",
      "support_end_date": "2027-10-01",
      "is_lts": false,
      "changelog_url": null,
      "latest_release_date": "2026-02-03"
    }
  ],
  "count": 17
}

GET /{product}/versions/{version}

Returns lifecycle data for a specific version.

curl https://releaserun.com/hub-api/v1/python/versions/3.13

{
  "minor_version": "3.13",
  "latest_patch": "3.13.12",
  "release_date": "2024-10-07",
  "eol_date": "2029-10-31",
  "support_end_date": "2026-10-01",
  "is_lts": false,
  "changelog_url": null,
  "latest_release_date": "2026-02-03"
}

GET /{product}/stats/

Returns summary statistics for a product.

curl https://releaserun.com/hub-api/v1/python/stats/

{
  "total_versions": 17,
  "supported_versions": 5,
  "latest_version": "3.14.3",
  "last_updated": "2026-02-21T09:11:00.187368+00:00"
}

Badge Endpoints (SVG)

Embeddable SVG badges for READMEs, dashboards, and documentation.

Version Badge

https://releaserun.com/badge/python/version.svg

EOL Status Badge

https://releaserun.com/badge/python/eol.svg

CVE Badge

https://releaserun.com/badge/python/cve.svg

Health Badge

https://releaserun.com/badge/python/health.svg

Cloud Support Badge

https://releaserun.com/badge/python/cloud.svg

Shields.io JSON Endpoint

Use with Shields.io endpoint badges:

https://img.shields.io/endpoint?url=https://releaserun.com/badge/python/shields.json

Badge Customization

Append query parameters to any badge URL:

Example:

https://releaserun.com/badge/python/version.svg?style=for-the-badge&logo=python

Product Slugs

Use any product slug from endoflife.date’s product list (430+ products). Common examples:

Response Fields

Rate Limits

Exceeding the limit returns HTTP 429. Responses include standard rate-limit headers.

Caching

Hub API responses include Cache-Control headers. Data is refreshed from upstream sources every 6 hours. For badges embedded in READMEs, GitHub and CDNs cache SVGs — expect up to 24-hour propagation for updates.

Error Responses

Error responses return JSON:

{"detail": "Product 'foo' not found"}

JavaScript Example

// Fetch Python version data (works from any origin — CORS enabled)
const res = await fetch('https://releaserun.com/hub-api/v1/python/versions/');
const data = await res.json();
console.log(`Latest Python: ${data.versions[0].latest_patch}`);
// → "Latest Python: 3.14.3"