Utilities
List changefile dates
List all available changefile dates. Each date has downloadable files containing every entity record that was created or modified on that day. 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
List changefile dates
Documentation Index
Fetch the complete documentation index at: https://developers.openalex.org/llms.txt
Use this file to discover all available pages before exploring further.
Authorizations
Your OpenAlex API key. Get a free key at https://openalex.org/settings/api
Query Parameters
Your OpenAlex API key (required). Get a free key at https://openalex.org/settings/api
Previous
Get changefile for a dateGet 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](/download/changefiles). **Requires a paid plan** — contact sales@openalex.org or see [pricing](https://openalex.org/pricing).
Next
List changefile dates