---
title: "Availability Health"
method: GET
path: "/v1/availability/health"
tags: ["Live Availability"]
---

# Availability Health

`GET /v1/availability/health`

## Request

- Base URL: `https://api.prop-line.com` (the document declares no server; this is the origin it was published from)
- URL: `https://api.prop-line.com/v1/availability/health`
- Auth: one of:
  - API key in header `X-API-Key`
  - API key in query parameter `apiKey`

Per (book, sport): socket connected, subscribed, market counts, last
frame, heartbeat, and the `current` verdict the other two endpoints use.

## Query parameters

- `bookmaker` string, nullable: fanduel, draftkings or kalshi

## Response `200`

Successful Response

- unknown

## Other responses

- `422`: Validation Error

## Changes

> 89 revisions in range; 4 not diffed.

- **2026-10-29** `1b0a0671ba88`: 2 info
  - added the new optional `query` request parameter `bookmaker`
  - added the non-success response with the status `422`
- **2026-10-05** `dec272e97467`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/prop-line/apis/player-props-api/changes/v1/availability/health/get.md)

---

[API](https://skmtc.dev/prop-line/apis/player-props-api.md) - [All operations](https://skmtc.dev/prop-line/apis/player-props-api/llms.txt) - [OpenAPI document](https://skmtc.dev/prop-line/apis/player-props-api/revisions/d3654129ada4?raw)