Interface to the USA National 'Phenology' Network 'API' R package rnpn version 1.4.2 Programmatic interface to the Web Service methods provided by the USA National 'Phenology' Network (<https://usanpn.org/>), which includes data on various life history events that occur at specific times. Software Depends: R (>= 4.1.0) Imports: dplyr, httr2 (>= 1.1.0), jsonlite, lifecycle, magrittr, rlang, tibble, tidyr, xml2 Suggests: covr, ggplot2, knitr, markdown, RColorBrewer, rmarkdown, sf, terra, testthat (>= 3.0.0), vcr, withr Jeff Switzer <jeff@usanpn.org> Comprehensive R Archive Network (CRAN) Jeff Switzer [aut, cre], Scott Chamberlain [aut], Lee Marsh [aut], Kevin Wong [aut], Eric R Scott [aut] (ORCID: <https://orcid.org/0000-0002-7430-7879>), David LeBauer [ctb] MIT + file LICENSE (https://CRAN.R-project.org/package=rnpn/LICENSE) 2026-06-17 application/tgz https://CRAN.R-project.org/package=rnpn doi:10.32614/CRAN.package.rnpn