diff --git a/NAMESPACE b/NAMESPACE
index 4f2e74a..0c69173 100644
--- a/NAMESPACE
+++ b/NAMESPACE
@@ -24,7 +24,6 @@ importFrom(glue,glue_collapse)
 importFrom(httptest2,use_httptest2)
 importFrom(lubridate,now)
 importFrom(lubridate,parse_date_time)
-importFrom(nectar,call_api)
 importFrom(nectar,stabilize_string)
 importFrom(purrr,discard)
 importFrom(purrr,imap)
diff --git a/R/beekeeper-package.R b/R/beekeeper-package.R
index c83493f..ccef5d8 100644
--- a/R/beekeeper-package.R
+++ b/R/beekeeper-package.R
@@ -19,7 +19,6 @@
 #' @importFrom httptest2 use_httptest2
 #' @importFrom lubridate now
 #' @importFrom lubridate parse_date_time
-#' @importFrom nectar call_api
 #' @importFrom nectar stabilize_string
 #' @importFrom purrr discard
 #' @importFrom purrr imap
diff --git a/R/generate_pkg-security.R b/R/generate_pkg-security.R
index 70d5e00..93ed27a 100644
--- a/R/generate_pkg-security.R
+++ b/R/generate_pkg-security.R
@@ -2,7 +2,7 @@
   security_data <- as_bk_data(security_schemes)
   if (length(security_data)) {
     security_data$security_file_path <- .bk_use_template(
-      template = "020-security.R",
+      template = "020-auth.R",
       data = c(security_data, api_abbr = api_abbr)
     )
     security_data$security_signature <- .generate_security_signature(
diff --git a/R/generate_pkg_main.R b/R/generate_pkg_main.R
index b6990eb..01256c6 100644
--- a/R/generate_pkg_main.R
+++ b/R/generate_pkg_main.R
@@ -6,7 +6,7 @@
 #'
 #' @param config_file The path to a beekeeper yaml file.
 #' @param pkg_agent A string to identify this package, for use in the
-#'   `user_agent` argument of [nectar::call_api()].
+#'   `user_agent` argument of [nectar::req_setup()].
 #'
 #' @return A character vector of paths to files that were added or updated,
 #'   invisibly.
diff --git a/inst/templates/010-call.R b/inst/templates/010-call.R
index 1ec41c6..2172fbe 100644
--- a/inst/templates/010-call.R
+++ b/inst/templates/010-call.R
@@ -1,8 +1,14 @@
+# Set up the basic call once at package build.
+{{api_abbr}}_req_base <- nectar::req_setup(
+  "{{base_url}}",
+  user_agent = "{{pkg_agent}}"
+)
+
 #' Call the {{api_title}} API
 #'
 #' Generate a request to an {{api_title}} endpoint.
 #'
-#' @inheritParams nectar::call_api{{#security_arg_helps}}
+#' @inheritParams nectar::req_modify{{#security_arg_helps}}
 #' @param {{name}} {{{description}}}{{/security_arg_helps}}
 #'
 #' @return The response from the endpoint.
@@ -11,14 +17,14 @@
                                   query = NULL,
                                   body = NULL,
                                   method = NULL{{#has_security}},{{{security_signature}}}{{/has_security}}) {
-  nectar::call_api(
-    base_url = "{{base_url}}",
+  req <- nectar::req_modify(
+    {{api_abbr}}_req_base,
     path = path,
     query = query,
     body = body,
-    method = method,
-    user_agent = "{{pkg_agent}}"{{#has_security}},
-    security_fn = {{api_abbr}}_security,
-    security_args = list({{security_arg_list}}){{/has_security}}
+    method = method
   )
+  {{#has_security}}req <- .{{api_abbr}}_req_auth(req, {{security_arg_list}}){{/has_security}}
+  resp <- nectar::req_perform_opinionated(req)
+  nectar::resp_parse(resp, response_parser = .{{api_abbr}}_response_parser)
 }
diff --git a/inst/templates/020-security.R b/inst/templates/020-auth.R
similarity index 78%
rename from inst/templates/020-security.R
rename to inst/templates/020-auth.R
index 7034ae0..ff3f1b1 100644
--- a/inst/templates/020-security.R
+++ b/inst/templates/020-auth.R
@@ -6,10 +6,10 @@
 # pass the same parameter in a header, possibly with a different name. Consult
 # the text description of authentication in your API documentation.
 
-{{api_abbr}}_security <- function(req, {{security_arg_nulls}}) {
+.{{api_abbr}}_req_auth <- function(req, {{security_arg_nulls}}) {
 {{#security_schemes}}
   if (!is.null({{arg_name}})) {
-    req <- {{api_abbr}}_security_{{name}}(req, {{arg_name}})
+    req <- .{{api_abbr}}_req_auth_{{name}}(req, {{arg_name}})
   }
 {{/security_schemes}}
   return(req)
@@ -19,8 +19,8 @@
 {{#description}}
 # {{description}}
 {{/description}}
-{{api_abbr}}_security_{{name}} <- function(req, {{#api_key}}{{arg_name}}) {
-  nectar::security_api_key(
+.{{api_abbr}}_req_auth_{{name}} <- function(req, {{#api_key}}{{arg_name}}) {
+  nectar::req_auth_api_key(
     req,
     location = "{{location}}",
     parameter_name = "{{parameter_name}}",
diff --git a/man/generate_pkg.Rd b/man/generate_pkg.Rd
index 52ea2c5..0487d99 100644
--- a/man/generate_pkg.Rd
+++ b/man/generate_pkg.Rd
@@ -13,7 +13,7 @@ generate_pkg(
 \item{config_file}{The path to a beekeeper yaml file.}
 
 \item{pkg_agent}{A string to identify this package, for use in the
-\code{user_agent} argument of \code{\link[nectar:call_api]{nectar::call_api()}}.}
+\code{user_agent} argument of \code{\link[nectar:req_setup]{nectar::req_setup()}}.}
 }
 \value{
 A character vector of paths to files that were added or updated,
diff --git a/tests/testthat/_fixtures/guru-010-call.R b/tests/testthat/_fixtures/guru-010-call.R
index 814a2bb..61ca27b 100644
--- a/tests/testthat/_fixtures/guru-010-call.R
+++ b/tests/testthat/_fixtures/guru-010-call.R
@@ -1,8 +1,14 @@
+# Set up the basic call once at package build.
+guru_req_base <- nectar::req_setup(
+  "https://api.apis.guru/v2",
+  user_agent = "TESTPKG (https://example.com)"
+)
+
 #' Call the APIs.guru API
 #'
 #' Generate a request to an APIs.guru endpoint.
 #'
-#' @inheritParams nectar::call_api
+#' @inheritParams nectar::req_modify
 #'
 #' @return The response from the endpoint.
 #' @export
@@ -10,12 +16,14 @@ guru_call_api <- function(path,
                           query = NULL,
                           body = NULL,
                           method = NULL) {
-  nectar::call_api(
-    base_url = "https://api.apis.guru/v2",
+  req <- nectar::req_modify(
+    guru_req_base,
     path = path,
     query = query,
     body = body,
-    method = method,
-    user_agent = "TESTPKG (https://example.com)"
+    method = method
   )
+
+  resp <- nectar::req_perform_opinionated(req)
+  nectar::resp_parse(resp, response_parser = .guru_response_parser)
 }
diff --git a/tests/testthat/_fixtures/trello-010-call.R b/tests/testthat/_fixtures/trello-010-call.R
index 48a475d..54ae1ec 100644
--- a/tests/testthat/_fixtures/trello-010-call.R
+++ b/tests/testthat/_fixtures/trello-010-call.R
@@ -1,8 +1,14 @@
+# Set up the basic call once at package build.
+trello_req_base <- nectar::req_setup(
+  "https://trello.com/1",
+  user_agent = "TESTPKG (https://example.com)"
+)
+
 #' Call the Trello API
 #'
 #' Generate a request to an Trello endpoint.
 #'
-#' @inheritParams nectar::call_api
+#' @inheritParams nectar::req_modify
 #' @param key An API key provided by the API provider. This key is not clearly documented in the API description. Check the API documentation for details.
 #' @param token An API key provided by the API provider. This key is not clearly documented in the API description. Check the API documentation for details.
 #'
@@ -13,14 +19,14 @@ trello_call_api <- function(path,
                             body = NULL,
                             method = NULL, key = Sys.getenv("TRELLO_KEY"),
                             token = Sys.getenv("TRELLO_TOKEN")) {
-  nectar::call_api(
-    base_url = "https://trello.com/1",
+  req <- nectar::req_modify(
+    trello_req_base,
     path = path,
     query = query,
     body = body,
-    method = method,
-    user_agent = "TESTPKG (https://example.com)",
-    security_fn = trello_security,
-    security_args = list(key = key, token = token)
+    method = method
   )
+  req <- .trello_req_auth(req, key = key, token = token)
+  resp <- nectar::req_perform_opinionated(req)
+  nectar::resp_parse(resp, response_parser = .trello_response_parser)
 }
diff --git a/tests/testthat/_fixtures/trello-020-security.R b/tests/testthat/_fixtures/trello-020-auth.R
similarity index 77%
rename from tests/testthat/_fixtures/trello-020-security.R
rename to tests/testthat/_fixtures/trello-020-auth.R
index 49e45bb..ce22fd8 100644
--- a/tests/testthat/_fixtures/trello-020-security.R
+++ b/tests/testthat/_fixtures/trello-020-auth.R
@@ -6,19 +6,19 @@
 # pass the same parameter in a header, possibly with a different name. Consult
 # the text description of authentication in your API documentation.
 
-trello_security <- function(req, key = NULL, token = NULL) {
+.trello_req_auth <- function(req, key = NULL, token = NULL) {
   if (!is.null(key)) {
-    req <- trello_security_api_key(req, key)
+    req <- .trello_req_auth_api_key(req, key)
   }
   if (!is.null(token)) {
-    req <- trello_security_api_token(req, token)
+    req <- .trello_req_auth_api_token(req, token)
   }
   return(req)
 }
 
 # An API key provided by the API provider. This key is not clearly documented in the API description. Check the API documentation for details.
-trello_security_api_key <- function(req, key) {
-  nectar::security_api_key(
+.trello_req_auth_api_key <- function(req, key) {
+  nectar::req_auth_api_key(
     req,
     location = "query",
     parameter_name = "key",
@@ -27,8 +27,8 @@ trello_security_api_key <- function(req, key) {
 }
 
 # An API key provided by the API provider. This key is not clearly documented in the API description. Check the API documentation for details.
-trello_security_api_token <- function(req, token) {
-  nectar::security_api_key(
+.trello_req_auth_api_token <- function(req, token) {
+  nectar::req_auth_api_key(
     req,
     location = "query",
     parameter_name = "token",
diff --git a/tests/testthat/_snaps/generate_pkg-paths.md b/tests/testthat/_snaps/generate_pkg-paths.md
index d821aed..4315052 100644
--- a/tests/testthat/_snaps/generate_pkg-paths.md
+++ b/tests/testthat/_snaps/generate_pkg-paths.md
@@ -4,7 +4,7 @@
       scrub_path(changed_files)
     Output
        [1] "/R/010-call.R"                      "/tests/testthat/test-010-call.R"   
-       [3] "/R/020-security.R"                  "/R/paths-audit.R"                  
+       [3] "/R/020-auth.R"                      "/R/paths-audit.R"                  
        [5] "/tests/testthat/test-paths-audit.R" "/R/paths-legal.R"                  
        [7] "/tests/testthat/test-paths-legal.R" "/R/paths-debts.R"                  
        [9] "/tests/testthat/test-paths-debts.R" "/tests/testthat/setup.R"           
diff --git a/tests/testthat/test-generate_pkg-security.R b/tests/testthat/test-generate_pkg-security.R
index ded6de8..c3bff50 100644
--- a/tests/testthat/test-generate_pkg-security.R
+++ b/tests/testthat/test-generate_pkg-security.R
@@ -28,7 +28,7 @@ test_that("generate_pkg() generates security functions", {
   )
   config <- readLines(test_path("_fixtures", "trello_beekeeper.yml"))
   trello_rapid <- readRDS(test_path("_fixtures", "trello_rapid.rds"))
-  security_expected <- readLines(test_path("_fixtures", "trello-020-security.R"))
+  security_expected <- readLines(test_path("_fixtures", "trello-020-auth.R"))
 
   create_local_package()
   writeLines(config, "_beekeeper.yml")
@@ -36,6 +36,6 @@ test_that("generate_pkg() generates security functions", {
 
   generate_pkg(pkg_agent = "TESTPKG (https://example.com)")
 
-  security_result <- scrub_testpkg(readLines("R/020-security.R"))
+  security_result <- scrub_testpkg(readLines("R/020-auth.R"))
   expect_identical(security_result, security_expected)
 })
diff --git a/vignettes/beekeeper.Rmd b/vignettes/beekeeper.Rmd
index b473e94..99794ce 100644
--- a/vignettes/beekeeper.Rmd
+++ b/vignettes/beekeeper.Rmd
@@ -44,7 +44,7 @@ url("https://api.apis.guru/v2/openapi.yaml") |>
     api_abbr = "guru"
   )
 
-# Or for the FEC
+# Or for the FEC API
 url("https://api.apis.guru/v2/specs/fec.gov/1.0/openapi.yaml") |>
   use_beekeeper(
     api_abbr = "fec"
@@ -68,15 +68,21 @@ generate_pkg()
 
 ### 010-call.R
 
-The main file generated for the package is `R/010-call.R`.
+The first file generated for the package is `R/010-call.R`.
 This file defines a function that can be used to call the API.
 
 ```{r fec_call_api}
+# Set up the basic call once at package build.
+fec_req_base <- nectar::req_setup(
+  "https://api.open.fec.gov/v1",
+  user_agent = "fecapi (https://github.com/jonthegeek/fecapi)"
+)
+
 #' Call the OpenFEC API
 #'
 #' Generate a request to an OpenFEC endpoint.
 #'
-#' @inheritParams nectar::call_api
+#' @inheritParams nectar::req_modify
 #' @param api_key An API key provided by the API provider. This key is not
 #'   clearly documented in the API description. Check the API documentation for
 #'   details.
@@ -88,28 +94,29 @@ fec_call_api <- function(path,
                          body = NULL,
                          method = NULL,
                          api_key = Sys.getenv("FEC_API_KEY")) {
-  nectar::call_api(
-    base_url = "https://api.open.fec.gov/v1",
+  req <- nectar::req_modify(
+    fec_req_base,
     path = path,
     query = query,
     body = body,
-    method = method,
-    user_agent = "fecapi (https://github.com/jonthegeek/fecapi)",
-    security_fn = fec_security,
-    security_args = list(api_key = api_key)
+    method = method
   )
+  req <- .fec_req_auth(req, api_key = api_key)
+  resp <- nectar::req_perform_opinionated(req)
+  nectar::resp_parse(resp, response_parser = .fec_response_parser)
 }
 ```
 
-Notice that the function includes API-key security arguments when appropriate!
+Notice that the function includes API-key authentication arguments when appropriate!
 
-### 020-security.R
+### 020-auth.R
 
-Security for the API is defined in `R/020-security.R`.
+Security for the API is defined in `R/020-auth.R`.
 The initial version of this file works, but you may want to edit the automatic output.
-In the case of the OpenFEC API, the description specifies three security schemes that overlap with one another: two that set an `api_key` in the query string, and one that sets an `X-Api-Key` field in the header.
+In the case of the OpenFEC API, the description specifies three security schemes that overlap with one another: one that sets an `X-Api-Key` field in the header, and two that set an `api_key` in the query string.
+The names of the generated functions are based on the names of the security schemes in the OpenAPI document.
 
-```{r fec_security}
+```{r fec_auth}
 # These functions were generated by the {beekeeper} package, based on
 # components@security_schemes from the source API description. You may want to
 # delete unused options. In addition, APIs often have additional security
@@ -118,17 +125,19 @@ In the case of the OpenFEC API, the description specifies three security schemes
 # pass the same parameter in a header, possibly with a different name. Consult
 # the text description of authentication in your API documentation.
 
-fec_security <- function(req, api_key) {
-  req <- fec_security_api_key_header_auth(req, api_key)
-  req <- fec_security_api_key_query_auth(req, api_key)
-  req <- fec_security_api_key(req, api_key)
+.fec_req_auth <- function(req, api_key = NULL) {
+  if (!is.null(api_key)) {
+    req <- .fec_req_auth_api_key_header_auth(req, api_key)
+    req <- .fec_req_auth_api_key_query_auth(req, api_key)
+    req <- .fec_req_auth_api_key(req, api_key)
+  }
   return(req)
 }
 
 # An API key provided by the API provider. This key is not clearly documented in
 # the API description. Check the API documentation for details.
-fec_security_api_key_header_auth <- function(req, api_key) {
-  nectar::security_api_key(
+.fec_req_auth_api_key_header_auth <- function(req, api_key) {
+  nectar::req_auth_api_key(
     req,
     location = "header",
     parameter_name = "X-Api-Key",
@@ -138,8 +147,8 @@ fec_security_api_key_header_auth <- function(req, api_key) {
 
 # An API key provided by the API provider. This key is not clearly documented in
 # the API description. Check the API documentation for details.
-fec_security_api_key_query_auth <- function(req, api_key) {
-  nectar::security_api_key(
+.fec_req_auth_api_key_query_auth <- function(req, api_key) {
+  nectar::req_auth_api_key(
     req,
     location = "query",
     parameter_name = "api_key",
@@ -149,8 +158,8 @@ fec_security_api_key_query_auth <- function(req, api_key) {
 
 # An API key provided by the API provider. This key is not clearly documented in
 # the API description. Check the API documentation for details.
-fec_security_api_key <- function(req, api_key) {
-  nectar::security_api_key(
+.fec_req_auth_api_key <- function(req, api_key) {
+  nectar::req_auth_api_key(
     req,
     location = "query",
     parameter_name = "api_key",
@@ -160,6 +169,7 @@ fec_security_api_key <- function(req, api_key) {
 ```
 
 For the real package, I deleted the two `query` functions, since the `header` function is sufficient and slightly more secure.
+I also renamed the `header` function from `.fec_req_auth_api_key_header_auth` to `.fec_req_auth_api_key_header` to remove the redundant `_auth`.
 
 ### test files