# ezunpaywall
Experimental middleware that fetches metadata from the Unpaywall mirror hosted by the Inist-CNRS.
# Headers
- ezunpaywall-cache : Enable/Disable cache.
- ezunpaywall-ttl : Lifetime of cached documents, in seconds. Defaults to
7 days (3600 * 24 * 7). - ezunpaywall-throttle : Minimum time to wait between queries, in milliseconds. Defaults to
100ms. - ezunpaywall-paquet-size : Maximum number of identifiers to send for query in a single request. Defaults to
50. - ezunpaywall-buffer-size : Maximum number of memorised access events before sending a request. Defaults to
1000. - ezunpaywall-api-key : apikey to use ezunpaywall.
# Enriched fields
| Name | Type | Description |
|---|---|---|
| is_oa | Boolean | Is there an OA copy of this resource. |
| journal_is_in_doaj | Boolean | Is this resource published in a DOAJ-indexed journal. |
| journal_is_oa | Boolean | Is this resource published in a completely OA journal. |
| oa_status | String | The OA status, or color, of this resource. |
| updated | String | Time when the data for this resource was last updated. |
# Example :
curl -v -X POST http://localhost:59599
-H "ezPAARSE-Middlewares: ezunpaywall"
-F "files[]=@access.log"