Package: roadoi 0.7.3

Najko Jahn

roadoi: Find Free Versions of Scholarly Publications via Unpaywall

This web client interfaces Unpaywall <https://unpaywall.org/products/api>, formerly oaDOI, a service finding free full-texts of academic papers by linking DOIs with open access journals and repositories. It provides unified access to various data sources for open access full-text links including Crossref and the Directory of Open Access Journals (DOAJ). API usage is free and no registration is required.

Authors:Najko Jahn [aut, cre], Tuija Sonkkila [rev], Ross Mounce [rev], Anne Hobert [ctb], Delwen Franzen [ctb]

roadoi_0.7.3.tar.gz
roadoi_0.7.3.zip(r-4.5)roadoi_0.7.3.zip(r-4.4)roadoi_0.7.3.zip(r-4.3)
roadoi_0.7.3.tgz(r-4.5-any)roadoi_0.7.3.tgz(r-4.4-any)roadoi_0.7.3.tgz(r-4.3-any)
roadoi_0.7.3.tar.gz(r-4.5-noble)roadoi_0.7.3.tar.gz(r-4.4-noble)
roadoi_0.7.3.tgz(r-4.4-emscripten)roadoi_0.7.3.tgz(r-4.3-emscripten)
roadoi.pdf |roadoi.html✨
roadoi/json (API)
NEWS

# Install 'roadoi' in R:

install.packages('roadoi', repos = c('https://ropensci.r-universe.dev', 'https://cloud.r-project.org'))

Reviews:rOpenSci Software Review #115

Bug tracker:https://github.com/ropensci/roadoi/issues8 issues

Pkgdown site:https://docs.ropensci.org

On CRAN:roadoi-0.7.3(2024-09-26)

altmetrics code4lib oadoi open-access peer-reviewed unpaywall webclient

7.25 score 65 stars 69 scripts 426 downloads 2 mentions 3 exports 51 dependencies

Last updated 6 months agofrom:fcadcf7007 (on main). Checks:9 OK. Indexed: yes.

Target	Result	Latest binary
Doc / Vignettes	OK	Mar 14 2025
R-4.5-win	OK	Mar 14 2025
R-4.5-mac	OK	Mar 14 2025
R-4.5-linux	OK	Mar 14 2025
R-4.4-win	OK	Mar 14 2025
R-4.4-mac	OK	Mar 14 2025
R-4.4-linux	OK	Mar 14 2025
R-4.3-win	OK	Mar 14 2025
R-4.3-mac	OK	Mar 14 2025

Exports:oadoi_fetch oadoi_fetch_roadoi_addin

Dependencies:askpass base64enc bslib cachem cli commonmark cpp11 crayon curl digest dplyr fansi fastmap fontawesome fs generics glue htmltools httpuv httr jquerylib jsonlite later lifecycle magrittr memoise mime miniUI openssl pillar pkgconfig plyr promises purrr R6 rappdirs Rcpp rlang sass shiny sourcetools stringi stringr sys tibble tidyr tidyselect utf8 vctrs withr xtable

Introduction

Najko Jahn

Rendered fromintro.Rmdusingknitr::rmarkdownon Mar 14 2025.

Last update: 2024-09-26
Started: 2017-01-10

Citation

To cite package ‘roadoi’ in publications use:

Jahn N (2025). roadoi: Find Free Versions of Scholarly Publications via Unpaywall. R package version 0.7.3, , https://github.com/ropensci/roadoi.

Corresponding BibTeX entry:

  @Manual{,
    title = {roadoi: Find Free Versions of Scholarly Publications via
      Unpaywall},
    author = {Najko Jahn},
    year = {2025},
    note = {R package version 0.7.3, },
    url = {https://github.com/ropensci/roadoi},
  }

Development and contributors

Readme and manuals

roadoi - Use Unpaywall with R

roadoi interacts with the Unpaywall REST API, an openly available web-interface which returns metadata about open access versions of scholarly works.

This client supports the most recent API Version 2.

API Documentation: https://unpaywall.org/products/api

How do I use it?

Use the oadoi_fetch() function in this package to get open access status information and full-text links from Unpaywall.

roadoi::oadoi_fetch(dois = c("10.1038/ng.3260", "10.1093/nar/gkr1047"), 
                    email = "najko.jahn@gmail.com")
#> # A tibble: 2 × 21
#>   doi              best_oa_location oa_locations oa_locations_embargoed data_standard is_oa
#>   <chr>            <list>           <list>       <list>                         <int> <lgl>
#> 1 10.1038/ng.3260  <tibble [0 × 0]> <tibble>     <tibble [0 × 0]>                   2 FALSE
#> 2 10.1093/nar/gkr… <tibble>         <tibble>     <tibble [0 × 0]>                   2 TRUE 
#> # ℹ 15 more variables: is_paratext <lgl>, genre <chr>, oa_status <chr>,
#> #   has_repository_copy <lgl>, journal_is_oa <lgl>, journal_is_in_doaj <lgl>,
#> #   journal_issns <chr>, journal_issn_l <chr>, journal_name <chr>, publisher <chr>,
#> #   published_date <chr>, year <chr>, title <chr>, updated_resource <chr>, authors <list>

There are no API restrictions. However, providing an email address is required and a rate limit of 100k is suggested. If you need to access more data, use the data dump instead.

RStudio Addin

This package also has a RStudio Addin for easily finding free full-texts in RStudio.

How do I get it?

Install and load from CRAN:

install.packages("roadoi")
library(roadoi)

To install the development version, use the devtools package

# devtools::install_github("ropensci/roadoi")
install.packages("roadoi", repos = c('https://ropensci.r-universe.dev', 'https://cloud.r-project.org'))
library(roadoi)

Documentation

See https://docs.ropensci.org/roadoi/ to get started.

Help Manual

Help page	Topics
Fetch open access status information and full-text links using Unpaywall	oadoi_fetch
Get open access status information.	oadoi_fetch_
Find OA copies with RStudio addin	roadoi_addin