nbb_data: Fetch National Bank of Belgium (NBB) data

In bbk: Client for Central Bank APIs

Fetch National Bank of Belgium (NBB) data

Description

Retrieve time series data from the National Bank of Belgium SDMX Web Service.

Usage

nbb_data(
  flow,
  key = NULL,
  start_period = NULL,
  end_period = NULL,
  first_n = NULL,
  last_n = NULL
)

Arguments

flow	(character(1)) The dataflow to query (e.g., "DF_EXR"). See nbb_metadata() for available dataflows.
key	(NULL | character(1)) The series key to query using dot-separated dimension values (e.g., "D.USD"). Use + for multiple values in one dimension (e.g., "M.USD+GBP"). If NULL, all data for the flow is returned. Default NULL.
start_period	(NULL | character(1) | integer(1)) Start date of the data (e.g., "2024-01" or 2024). If NULL, no start date restriction is applied. Default NULL.
end_period	(NULL | character(1) | integer(1)) End date of the data, in the same format as start_period. If NULL, no end date restriction is applied. Default NULL.
first_n	(NULL | numeric(1)) Number of observations to retrieve from the start of the series. If NULL, no restriction is applied. Default NULL.
last_n	(NULL | numeric(1)) Number of observations to retrieve from the end of the series. If NULL, no restriction is applied. Default NULL.

Value

A data.table::data.table() with the requested data.

Source

https://dataexplorer.nbb.be/

See Also

Other data: banxico_data(), bbk_data(), bbk_series(), bcb_data(), bcb_expectations(), bcb_fx_rates(), bcb_inflation(), bcb_selic(), bcb_top5(), bde_data(), bde_latest(), bdf_codelist(), bdf_data(), bdf_dataset(), bdp_data(), bis_data(), boc_data(), boe_data(), boi_data(), boj_data(), cnb_czeonia(), cnb_data(), cnb_fx_other_rates(), cnb_fx_rates(), cnb_pribor(), ecb_data(), nbp_fx_rates(), nbp_gold(), nob_data(), onb_data(), snb_data(), srb_cross_rates(), srb_data()

Examples

# fetch daily EUR/USD reference rate
nbb_data("DF_EXR", "D.USD", last_n = 5L)

# fetch multiple monthly average exchange rates
nbb_data("DF_EXR", "M.USD+GBP", start_period = "2024-01")

# fetch Belgian HICP inflation
nbb_data("DF_HICP_2025", "M.BE.000000.2025.HCP.GROWTH_RATE", last_n = 5L)

bbk documentation built on Oct. 21, 2026, 5:14 p.m.