How can I get the license information from the DOI of an article?

[Aoha "Aloha" Miyashita]

Nice to meet you,

I'm considering whether, for a given article's DOI, I can get its license information using the public API, and how.

Could you tell me which APIs and which query params to use?

If the approach involves another org's API (such as Crossref REST API, DataCite REST API or so on), that would be fine as well.

Thank you.

[Aoha "Aloha" Miyashita]

PS:

For example, I'd like to get "CC BY 3.0" when I have a DOI `https://doi.org/10.3765/sp.8.14`.

(cf. https://doaj.org/article/ccff50a6c5134ac1955673aac2703d23)

Thanks.

2025年1月7日火曜日 19:11:32 UTC+9 Aoha "Aloha" Miyashita:

[Dominic Mitchell]

Hello and thank you for your message.

It isn't currently possible to derive an articles license information from our metadata because we only capture license information at the journal level. Even though many publishers use one license per journal, in which case it would be easy to derive the article license, many use more than one license. 

Sorry that we can't be of more help this time. 

With kind regards

Dominic Mitchell (he/him)
Deputy Director & Platform Manager, DOAJ
Chair, Think.Check.Submit.
Chair, OASPA

Need help setting up or managing an existing Open Access Journal? 

Find information and resources in the OA Journals Toolkit

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[宮下葵羽]

Thank you for your reply. I understand.

So, if only one license is used per journal, it would be easy to know the article license.

Then, when only one license is displayed for a journal, does this indicate that the license applies, without exception, to all the articles in DOAJ belonging to the journal? Or does it just indicate that the journal generally adopt the license?

2025年1月8日(水) 0:20 Dominic Mitchell <dom...@doaj.org>:

[Dominic Mitchell]

Hello!

The change to our database that allowed journals to indicate that they accept several licenses happened in 2020. We already had thousands of journals indexed by then which had been accepted under the old rule of only allowing one license to be indicated. It would be safer, therefore, to assume that where one license is indicated, it means that the journal generally adopts the license. 

All the best, Dom

Dominic Mitchell (he/him)
Deputy Director & Platform Manager, DOAJ
Chair, Think.Check.Submit.
Chair, OASPA

Need help setting up or managing an existing Open Access Journal? 

Find information and resources in the OA Journals Toolkit

[宮下葵羽]

Thank you for your explanation! I got it.

2025年1月9日(木) 16:53 Dominic Mitchell <dom...@doaj.org>: