diff --git a/R/endpoints.R b/R/endpoints.R
index b2beb66a..8126e617 100644
--- a/R/endpoints.R
+++ b/R/endpoints.R
@@ -2103,15 +2103,17 @@ pvt_sensors <- function(
 #' pvt_twitter(
 #'   auth = Sys.getenv("SECRET_API_AUTH_TWITTER"),
 #'   locations = "CA",
-#'   epiweeks = epirange(201501, 202001)
+#'   time_type = "week",
+#'   time_values = epirange(201501, 202001)
 #' )
 #' }
 #' @param auth string. Restricted access key (not the same as API key).
 #' @param locations character. Locations to fetch.
 #' @param ... not used for values, forces later arguments to bind by name
-#' @param dates [`timeset`]. Dates to fetch. Mutually exclusive with `epiweeks`.
-#' @param epiweeks [`timeset`]. Epiweeks to fetch. Mutually exclusive with
-#' `dates`.
+#' @param time_type string. The temporal resolution of the data (either "day" or
+#'  "week", depending on signal).
+#' @param time_values [`timeset`]. Dates or epiweeks to fetch. Defaults to all
+#'  ("*") dates.
 #' @param fetch_args [`fetch_args`]. Additional arguments to pass to `fetch()`.
 #' @return [`tibble::tibble`]
 #' @keywords endpoint
@@ -2120,21 +2122,31 @@ pvt_twitter <- function(
     auth,
     locations,
     ...,
-    dates = NULL,
-    epiweeks = NULL,
+    time_type = c("day", "week"),
+    time_values = "*",
     fetch_args = fetch_args_list()) {
   rlang::check_dots_empty()
 
+  time_type <- match.arg(time_type)
+  if (time_type == "day") {
+    dates <- time_value
+    epiweeks <- NULL
+    dates <- get_wildcard_equivalent_dates(dates, "day")
+  } else {
+    dates <- NULL
+    epiweeks <- time_value
+    epiweeks <- get_wildcard_equivalent_dates(epiweeks, "week")
+  }
+
   assert_character_param("auth", auth, len = 1)
   assert_character_param("locations", locations)
+  assert_character_param("time_type", time_type, len = 1)
+  assert_timeset_param("time_values", time_values)
   assert_timeset_param("dates", dates, required = FALSE)
   assert_timeset_param("epiweeks", epiweeks, required = FALSE)
   dates <- parse_timeset_input(dates)
   epiweeks <- parse_timeset_input(epiweeks)
 
-  if (!xor(is.null(dates), is.null(epiweeks))) {
-    stop("exactly one of `dates` and `epiweeks` is required")
-  }
   time_field <- if (!is.null(dates)) {
     create_epidata_field_info("date", "date")
   } else {
diff --git a/man/pvt_twitter.Rd b/man/pvt_twitter.Rd
index 30763a74..49cfdfc0 100644
--- a/man/pvt_twitter.Rd
+++ b/man/pvt_twitter.Rd
@@ -8,8 +8,8 @@ pvt_twitter(
   auth,
   locations,
   ...,
-  dates = NULL,
-  epiweeks = NULL,
+  time_type = c("day", "week"),
+  time_values = "*",
   fetch_args = fetch_args_list()
 )
 }
@@ -20,10 +20,11 @@ pvt_twitter(
 
 \item{...}{not used for values, forces later arguments to bind by name}
 
-\item{dates}{\code{\link{timeset}}. Dates to fetch. Mutually exclusive with \code{epiweeks}.}
+\item{time_type}{string. The temporal resolution of the data (either "day" or
+"week", depending on signal).}
 
-\item{epiweeks}{\code{\link{timeset}}. Epiweeks to fetch. Mutually exclusive with
-\code{dates}.}
+\item{time_values}{\code{\link{timeset}}. Dates or epiweeks to fetch. Defaults to all
+("*") dates.}
 
 \item{fetch_args}{\code{\link{fetch_args}}. Additional arguments to pass to \code{fetch()}.}
 }
@@ -41,7 +42,8 @@ Sourced from \href{http://www.healthtweets.org/}{Healthtweets}
 pvt_twitter(
   auth = Sys.getenv("SECRET_API_AUTH_TWITTER"),
   locations = "CA",
-  epiweeks = epirange(201501, 202001)
+  time_type = "week",
+  time_values = epirange(201501, 202001)
 )
 }
 }
diff --git a/tests/testthat/test-endpoints.R b/tests/testthat/test-endpoints.R
index f2b8f67c..cecd41ab 100644
--- a/tests/testthat/test-endpoints.R
+++ b/tests/testthat/test-endpoints.R
@@ -137,7 +137,8 @@ test_that("basic_epidata_call", {
   expect_no_error(pvt_twitter(
     auth = "yourkey",
     locations = "CA",
-    epiweeks = epirange(201501, 202001),
+    time_type = "week",
+    time_values = epirange(201501, 202001),
     fetch_args = fetch_args_list(dry_run = TRUE)
   ) %>% request_url())
   expect_no_error(pub_wiki(
@@ -237,7 +238,8 @@ test_that("endpoints fail when given args via dots", {
     pvt_twitter(
       auth = "yourkey",
       locations = "CA",
-      date_range = epirange(201501, 202001)
+      time_type = "week",
+      time_range = epirange(201501, 202001)
     ),
     regexp = dots_error
   )
diff --git a/vignettes/signal-discovery.Rmd b/vignettes/signal-discovery.Rmd
index bbea800a..70a081ae 100644
--- a/vignettes/signal-discovery.Rmd
+++ b/vignettes/signal-discovery.Rmd
@@ -378,7 +378,8 @@ API docs: <https://cmu-delphi.github.io/delphi-epidata/api/twitter.html>
 pvt_twitter(
   auth = Sys.getenv("SECRET_API_AUTH_TWITTER"),
   locations = "nat",
-  epiweeks = epirange(200301, 202105)
+  time_type = "week",
+  time_values = epirange(200301, 202105)
 )
 ```