---
title: "Get Book Accuracy"
method: GET
path: "/v1/books/accuracy"
tags: ["Analytics"]
---

# Get Book Accuracy

`GET /v1/books/accuracy`

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

Which sportsbooks price player props closest to the result.

Free tier. Updated as games are graded (cached 1h).

## Query parameters

- `days` integer: Look-back window in days
- `sport` string, nullable: Optional sport key, e.g. baseball_mlb

## Response `200`

Successful Response

- unknown

## Other responses

- `422`: Validation Error

## Changes

> 89 revisions in range; 4 not diffed.

- **2026-09-29** `97ccc552e1b1`: 1 info
  - endpoint added

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