A Modern and Flexible Data Pipeline for 'SurveyCTO' R package ctoclient version 0.1.0 A modern and flexible R client for the 'SurveyCTO', a mobile and offline data collection platform, providing a modern and consistent interface for programmatic access to server resources. Built on top of the 'httr2' package, it enables secure and efficient data retrieval and returns analysis-ready data through optional tidying. It includes functions to create, upload, and download server datasets, in addition to fetching form data, files, and submission attachments. Robust authentication and request handling make the package suitable for automated survey monitoring and downstream analysis. Software Depends: R (>= 4.1.0) Imports: checkmate, cli, dplyr, httr2, purrr, readr, readxl, rlang, stringr, tidyr Suggests: curl, httptest2, jsonlite, testthat (>= 3.0.0) Gutama Girja Urago <girjagutama@gmail.com> Comprehensive R Archive Network (CRAN) Gutama Girja Urago [aut, cre, cph] (ORCID: <https://orcid.org/0000-0001-5588-2301>) MIT + file LICENSE (https://CRAN.R-project.org/package=ctoclient/LICENSE) 2026-03-28 application/tgz https://CRAN.R-project.org/package=ctoclient doi:10.32614/CRAN.package.ctoclient en-US