use API to find item with a DOI/url

[John Kitchin]

Is it possible to search a Zotero database for an item with a specific DOI or url?

The reason I want to do this is I am updating a Zotero db with the API using results from an OpenAlex query, and I don't want to add duplicate items. Ideally I would check for the doi or the url (which is a unique identifier also) and update if it exists, or make a new one if it doesn't.

I tried this with pyzotero, but it doesn't seem to look in the doi or url fields. At the moment I use the title, but this isn't always unique.

[Sebastian Karcher]

The relevant API documentation is https://www.zotero.org/support/dev/web_api/v3/basics#search_parameters_items_endpoints -- so no, you can't search specifically by DOI or URL and I'm not sure searching for a DOI in "everything" mode will actually be better than title, because it might give you items citing the DOI in their bibliography. As I understand, the equivalent of the client's "All fields and tags" mode (which would work well for this) will be available via the API in the future, but isn't currently.

Hth,

Sebastian

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Sebastian Karcher, PhD
www.sebastiankarcher.com

[Joachim Herb]

See the discussion at https://github.com/zotero/zotero/issues/1007

This is a proof of concept using a "user script" + Zotero API Endpoint Add-on: https://github.com/zotero/zotero/issues/1007#issuecomment-1432300453

[John Kitchin]

My solution to this is to get all the items in the library and then check against that. I don't love it, but it works fine.