Alpha testing: all current functionality is free while VAT Engine is in active development

Health & Readiness

Reference for the public /health and /ready endpoints, including expected responses, readiness semantics, and how to use them in uptime checks.

Health Check

GET /health

Authentication: Public (no API key required)

Returns the service liveness status:

curl https://api.vat-engine.app/health
{
  "status": "ok"
}

Readiness Check

GET /ready

Authentication: Public (no API key required)

Returns whether the service is ready to accept traffic (all required dependencies are reachable):

curl https://api.vat-engine.app/ready
{
  "status": "ready"
}

A non-200 response from /ready indicates the service is not ready to handle requests. The public readiness response is intentionally minimal and does not expose which dependency failed.

For the Next.js frontend deployment, /ready succeeds only after the frontend can reach its own PostgreSQL connection and the upstream backend /ready endpoint.