OPopenalex
Changefiles

Get changefile for a date

Changed on

Get details for a specific date's changefile, including which entity types changed, how many records, and download links in JSONL and Parquet formats. For a full guide on using changefiles to keep your local data current, see Download Changefiles. Requires a paid plan — contact sales@openalex.org or see pricing.

get/changefiles/{date}

Request

  • Base URL
    https://api.openalex.org
  • URL
    https://api.openalex.org/changefiles/{date}
  • Auth
    API key in query parameter api_key

Path parameters

datestring date required

The changefile date in YYYY-MM-DD format

Query parameters

api_keystring required

Your OpenAlex API key (required). Get a free key at https://openalex.org/settings/api

Response

Successful response

Changes