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redcapAPI  

Interface to 'REDCap'
View on CRAN: Click here


Download and install redcapAPI package within the R console
Install from CRAN:
install.packages("redcapAPI")

Install from Github:
library("remotes")
install_github("cran/redcapAPI")

Install by package version:
library("remotes")
install_version("redcapAPI", "2.11.5")



Attach the package and use:
library("redcapAPI")
Maintained by
Shawn Garbett
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2014-09-16
Latest Update: 2025-06-05
Description:
Access data stored in 'REDCap' databases using the Application Programming Interface (API). 'REDCap' (Research Electronic Data CAPture; , Harris, et al. (2009) , Harris, et al. (2019) ) is a web application for building and managing online surveys and databases developed at Vanderbilt University. The API allows users to access data and project meta data (such as the data dictionary) from the web programmatically. The 'redcapAPI' package facilitates the process of accessing data with options to prepare an analysis-ready data set consistent with the definitions in a database's data dictionary.
How to cite:
Shawn Garbett (2014). redcapAPI: Interface to 'REDCap'. R package version 2.11.5, https://cran.r-project.org/web/packages/redcapAPI. Accessed 07 Mar. 2026.
Previous versions and publish date:
1.0.1 (2014-10-21 01:54), 1.0 (2014-09-16 02:22), 1.1 (2014-11-25 15:36), 1.2 (2015-01-16 16:23), 1.3 (2015-03-14 09:35), 2.0 (2018-01-18 12:13), 2.1 (2018-05-11 18:59), 2.2 (2018-08-01 15:50), 2.3.3 (2023-01-26 10:40), 2.3 (2020-02-17 19:50), 2.4.0 (2023-03-01 21:20), 2.5.0 (2023-03-24 16:30), 2.7.1 (2023-06-12 19:40), 2.7.4 (2023-07-17 21:50), 2.8.0 (2023-09-13 01:50), 2.8.4 (2024-01-31 19:00), 2.9.0 (2024-04-19 20:22), 2.9.1 (2024-05-16 04:10), 2.10.0 (2024-10-17 18:20), 2.11.0 (2025-06-05 09:50), 2.11.1 (2025-08-18 21:20), 2.11.3 (2025-09-11 07:10), 2.11.4 (2025-10-29 07:10)
Other packages that cited redcapAPI R package
View redcapAPI citation profile
Other R packages that redcapAPI depends, imports, suggests or enhances
Complete documentation for redcapAPI
Functions, R codes and Examples using the redcapAPI R package
Some associated functions: Extraction . allocationTable . armsMethods . assembleCodebook . attributeAssignment . changedRecords . checkbox_suffixes . constructLinkToRedcapForm . createFileRepositoryFolder . createRedcapProject . dagAssignmentMethods . dagMethods . deleteRecords . deprecated_redcapProjectInfo . dropRepeatingNA . eventsMethods . exportBulkRecords . exportBundle . exportExternalCoding . exportFieldNames . exportFileRepositoryListing . exportFilesMultiple . exportInstruments . exportLogging . exportPdf . exportProjectXml . exportVersion . fieldCastingFunctions . fieldChoiceMapping . fieldToVar . fieldValidationAndCasting . fileMethods . fileRepositoryMethods . fileRepositoryPath . filterEmptyRow . fromFileRepositoryMethods . getProjectIdFields . importRecords . invalidSummary . isZeroCodedCheckField . makeApiCall . mappingMethods . massert . metaDataMethods . missingSummary . parseBranchingLogic . prepUserImportData . preserveProject . projectInformationMethods . purgeRestoreProject . recodeCheck . reconstituteFileFromExport . recordsManagementMethods . recordsMethods . recordsTypedMethods . redcapAPI . redcapConnection . redcapDataStructures . redcapError . redcapFactorFlip . repeatingInstrumentMethods . reviewInvalidRecords . splitForms . stringCleanup . surveyMethods . switchDag . syncUnderscoreCodings . unlockREDCap . userMethods . userRoleAssignmentMethods . userRoleMethods . validateImport . vectorToApiBodyList . widerRepeated . writeDataForImport . 
Some associated R codes: Extraction.R . allocationTable.R . assembleCodebook.R . attributeAssignment.R . changedRecords.R . checkbox_suffixes.R . constants.R . constructLinkToRedcapForm.R . createFileRepositoryFolder.R . createRedcapProject.R . deleteArms.R . deleteDags.R . deleteEvents.R . deleteFileRepository.R . deleteFiles.R . deleteFromFileRepository.R . deleteRecords.R . deleteUserRoles.R . deleteUsers.R . deprecated_recapProjectInfo.R . docsArmsMethods.R . docsDagAssignmentMethods.R . docsDagMethods.R . docsEventMethods.R . docsFileMethods.R . docsFileRepositoryMethods.R . docsFromFileRepository.R . docsMappingMethods.R . docsMetaDataMethods.R . docsProjectInformationMethods.R . docsRecordsManagementMethods.R . docsRecordsMethods.R . docsRecordsTypedMethods.R . docsRepeatingInstrumentEventMethods.R . docsSurveyMethods.R . docsUserMethods.R . docsUserRoleAssignmentMethods.R . docsUserRoleMethods.R . documentation-common-args.R . dropRepeatingNA.R . exportArms.R . exportBundle.R . exportDags.R . exportEvents.R . exportExternalCoding.R . exportFieldNames.R . exportFileRepository.R . exportFileRepositoryListing.R . exportFiles.R . exportFilesMultiple.R . exportFromFileRepository.R . exportInstruments.R . exportLogging.R . exportMappings.R . exportMetaData.R . exportNextRecordName.R . exportPDF.R . exportProjectInformation.R . exportProjectXml.R . exportRecords.R . exportRecordsTyped.R . exportRecords_offline.R . exportRepeatingInstrumentsEvents.R . exportReports.R . exportReportsTyped.R . exportSurveyLink.R . exportSurveyParticipants.R . exportSurveyQueueLink.R . exportSurveyReturnCode.R . exportUserDagAssignments.R . exportUserRoleAssignments.R . exportUserRoles.R . exportUsers.R . exportVersion.R . fieldCastingFunctions.R . fieldChoiceMapping.R . fieldToVar.R . fieldValidationAndCasting.R . fileRepositoryPath.R . filterEmptyRow.R . getProjectIdFields.R . importArms.R . importDags.R . importEvents.R . importFileRepository.R . importFiles.R . importMappings.R . importMetaData.R . importProjectInformation.R . importRecords.R . importRepeatingInstrumentsEvents.R . importToFileRepository.R . importUserDagAssignments.R . importUserRoleAssignments.R . importUserRoles.R . importUsers.R . invalid.R . isZeroCodedCheckField.R . makeApiCall.R . makeRedcapFactor.R . massert.R . missingSummary.R . parseBranchingLogic.R . prepUserImportData.R . preserveProject.R . purgeRestoreProject.R . recodeCheck.R . reconstituteFileFromExport.R . redcapAPI-package.R . redcapConnection.R . redcapDataStructure.R . redcapError.R . redcapFactorFlip.R . renameRecord.R . reviewInvalidRecords.R . splitForms.R . stringCleanup.R . switchDag.R . syncUnderscoreCodings.R . unlockREDCap.R . validateImport.R . validateImport_methods.R . vectorToApiBodyList.R . widerRepeated.R . writeDataForImport.R . zzz.R .  Full redcapAPI package functions and examples
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