---
title: "Liveness and readiness"
method: GET
path: "/health"
tags: ["discovery"]
---

# Liveness and readiness

`GET /health`

## Request

- Base URL: `https://postbag.dev`
- URL: `https://postbag.dev/health`
- Auth: none required

Public, unauthenticated. Reports database connectivity, worker heartbeat and the oldest pending delivery age.

## Response `200`

ok

- object
  - `ok` boolean, required
  - `db` 'up' | 'down', required
  - `worker` object, required
    - `heartbeat_at` string, nullable, required
    - `alive` boolean, required
  - `oldest_pending_delivery_s` number, nullable, required
  - `version` string, required

## Other responses

- `503`: db down

---

[API](https://skmtc.dev/postbag/apis/postbag-api.md) · [All operations](https://skmtc.dev/postbag/apis/postbag-api/llms.txt) · [OpenAPI document](https://skmtc.dev/postbag/apis/postbag-api/revisions/3da976524695?raw)