taxons: Query the EPPO API Taxons endpoints.

In eppoFindeR: Interface to the EPPO Database and Public APIs

Query the EPPO API Taxons endpoints.

Description

This function queries the Taxons endpoints of the EPPO Global Database via REST API. The function sequentially queries all specified services and returns the extracted data through a list of dataframes.

Usage

taxons(
  services = c("list"),
  params = list(list = list(limit = 100, offset = 0, orderAsc = TRUE, orderBy =
    "creation")),
  apiKey = Sys.getenv("EPPO_API_KEY")
)

Arguments

services	character (vector). One or more Taxons services to query. Common service names include: list. A validation step ensures that all provided services match the supported service names. By default: all services.
params	list (optional). A named list of query parameters to include in the request. The list of available parameters can be accessed via the EPPO API Documentation platform. By default: default parameters.
apiKey	character (string). The API key used for authentication. It can be specified manually or through the .Renviron file. By default: Sys.getenv("EPPO_API_KEY").

Value

A named list of results, in which each level corresponds to the data retrieved for each specified service. Each service element contains a flattened dataframe with the queried content.

Examples

## Not run: 
# Get the list of taxons.
taxonsData_ <- taxons()

# Get the list of taxons with custom parameters.
taxonsData_ <- taxons(params = list(
  "list" = list(
    createdFromDate = "2000-01-01",
    limit = 5,
    offset = 1,
    orderAsc = FALSE,
    orderBy = "eppocode")))

## End(Not run)

eppoFindeR documentation built on April 25, 2026, 1:07 a.m.