---
title: Check availability
description: "## GET /ping The endpoint returns a permanent redirect to the server's availability response. The client must follow redirects. The final response contains the server version, build number, build date, and current UTC time. Use this endpoint only as a…"
url: "https://activerecord.com/docs/api/check-availability/"
updated: "2026-09-10"
category: "REST API - Oculens DDC Server (ODDC Server) 5.1"
---

# Check availability

## GET /ping

The endpoint returns a permanent redirect to the server's availability response. The client must follow redirects. The final response contains the server version, build number, build date, and current UTC time.

Use this endpoint only as a basic availability check. It does not confirm that document processing has completed successfully.