# NOT RUN {
key <- "************************"
## Up to 20 ids can be called at once.
lookup(id = c(12417882:12417937), key = key)
lookup(id = 12417832, key = key)
lookup(upc = 10001137891, key = key)
## First argument will be used with conflicting arguments.
lookup(id = 12417837, upc = 10001137891, key = key)
lookup(id = 12417832, key = key, list_output = TRUE)
# }
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