API catalog

Free

Research Datasets (Harvard Dataverse)

knowledge:harvard-dataverse

Search research datasets on Harvard Dataverse, with a ready citation and DOI.

1 endpoint Dataverse Search API (dataverse.harvard.edu)

Free

Research Organizations (ROR)

knowledge:ror

Search universities and research organizations worldwide, including Indonesia, to clean affiliation names and get …

1 endpoint Research Organization Registry API (api.ror.org)

Free

Scholarly Works (Crossref)

knowledge:crossref

Search articles, books and proceedings across all fields, or open one work by its DOI.

3 endpoints Crossref REST API (api.crossref.org)

Free

Open Access Journals (DOAJ)

knowledge:doaj

Search open access journals and articles indexed by DOAJ, including Indonesian journals.

2 endpoints DOAJ Public API (doaj.org)

Free

Research Datasets (DataCite)

knowledge:datacite

Search research datasets with a DOI from repositories worldwide.

1 endpoint DataCite REST API (api.datacite.org)

Free

On This Day

knowledge:sejarah-hari-ini

Notable events, births and deaths on any date from Wikipedia, ideal for daily content. Text is in English (Indones…

1 endpoint Wikimedia Feed API (api.wikimedia.org)

Free

Sentiment Dataset Finder

knowledge:sentiment-datasets

Find open sentiment datasets by language, with the licence stated by the uploader.

1 endpoint Hugging Face Hub API (huggingface.co)

Free

VADER Sentiment Lexicon

knowledge:vader

Sentiment scores for English words, abbreviations and emoticons, from -4 to +4. Not valid for Indonesian text.

1 endpoint vaderSentiment (github.com/cjhutto/vaderSentiment)

Free

Wikipedia

knowledge:wikipedia

Article summaries and title search on Indonesian or English Wikipedia: lead paragraph, short description, image, c…

2 endpoints Wikipedia (Wikimedia REST API)