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vcr  

Record 'HTTP' Calls to Disk
View on CRAN: Click here


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

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

Install by package version:
library("remotes")
install_version("vcr", "2.1.0")



Attach the package and use:
library("vcr")
Maintained by
Scott Chamberlain
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2018-05-14
Latest Update: 2025-07-23
Description:
Record test suite 'HTTP' requests and replays them during future runs. A port of the Ruby gem of the same name (<https://github.com/vcr/vcr/>). Works by hooking into the 'webmockr' R package for matching 'HTTP' requests by various rules ('HTTP' method, 'URL', query parameters, headers, body, etc.), and then caching real 'HTTP' responses on disk in 'cassettes'. Subsequent 'HTTP' requests matching any previous requests in the same 'cassette' use a cached 'HTTP' response.
How to cite:
Scott Chamberlain (2018). vcr: Record 'HTTP' Calls to Disk. R package version 2.1.0, https://cran.r-project.org/web/packages/vcr. Accessed 07 Oct. 2026.
Previous versions and publish date:
(2026-07-09 06:58), 0.1.0 (2018-05-14 17:43), 0.2.0 (2018-10-19 20:30), 0.2.2 (2019-01-13 22:20), 0.2.6 (2019-02-12 11:30), 0.3.0 (2019-08-20 21:40), 0.4.0 (2019-12-07 18:20), 0.5.0 (2020-03-04 02:10), 0.5.4 (2020-03-31 17:30), 0.6.0 (2020-12-12 18:30), 1.0.0 (2021-05-22 06:50), 1.0.2 (2021-05-31 20:00), 1.1.0 (2022-11-04 15:10), 1.2.0 (2022-11-17 20:00), 1.2.2 (2023-06-25 14:30), 1.6.0 (2024-07-23 23:40), 1.7.0 (2025-03-10 11:10), 2.0.0 (2025-07-23 14:24)
Other packages that cited vcr R package
View vcr citation profile
Other R packages that vcr depends, imports, suggests or enhances
Complete documentation for vcr
Functions, R codes and Examples using the vcr R package
Some associated functions: Cassette . FileSystem . HTTPInteraction . HTTPInteractionList . Hooks . JSON . Persisters . Request . RequestHandler . RequestHandlerCrul . RequestHandlerHttr . RequestIgnorer . RequestMatcherRegistry . Serializer . Serializers . UnhandledHTTPRequestError . VcrResponse . YAML . as.cassette . cassettes . check_cassette_names . crul_request . eject_cassette . http_interactions . insert_cassette . lightswitch . real_http_connections_allowed . recording . request-matching . request_response . skip_if_vcr_off . str_splitter . use_cassette . use_vcr . vcr . vcr_configure . vcr_logging . vcr_test_path . 
Some associated R codes: as-casette.R . cassette_class.R . cassettes.R . check_cassette_names.R . configuration.R . eject_cassette.R . error_suggestions.R . errors.R . filter_headers.R . filter_query_parameters.R . filter_sensitive_data.R . hooks.R . http_interaction.R . http_interaction_list.R . http_interactions.R . insert_cassette.R . lightswitch.R . logger.R . match_helpers.R . onLoad.R . persisters-file.R . persisters.R . print_cassette.R . real_connections.R . recording.R . request_class.R . request_handler-crul.R . request_handler-httr.R . request_handler.R . request_ignorer.R . request_matcher_registry.R . request_matching.R . request_response.R . response_class.R . serialize_to_crul.R . serialize_to_httr.R . serializer.R . serializers-json.R . serializers-yaml.R . serializers.R . skip-vcr-off.R . split_string.R . use_cassette.R . vcr-package.R . vcr_setup.R . vcr_test_path.R . write.R . zzz.R .  Full vcr package functions and examples
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