# Versioning and change log

This log details any breaking and non-breaking API changes we have released for our Sessions service.

Prerequisite
Make yourself familiar with our [API principles](/access/products/reference/api-principles) to ensure a resilient integration.

## Versioning log

### `2025-09-29` (Latest)

details
summary
Initial release
Use the value `2025-09-29` in the header parameter `WP-Api-Version`. See [API Reference for details](/access/products/sessions/openapi)

## Change log (non-breaking changes)