---
title: "Check Availability"
method: POST
path: "/v1/availability/check"
tags: ["Live Availability"]
---

# Check Availability

`POST /v1/availability/check`

## 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/check`
- Auth: one of:
  - API key in header `X-API-Key`
  - API key in query parameter `apiKey`

Current state of up to 500 selections by `outcome_id`.

Each result: `state` (`open` / `suspended` / `unknown` / `unsupported`),
`version`, `changed_at`, and `current` + `degraded_reasons`. Accept only on
`state == "open" and current`.

## Request body

- CheckRequest
  - `outcome_ids` integer[], required

## Response `200`

Successful Response

- unknown

## Other responses

- `422`: Validation Error

## Changes

> 89 revisions in range; 4 not diffed.

- **2026-10-05** `dec272e97467`: 1 info
  - endpoint added

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