Wrapper for the National Bank of Poland API
Adds the json formatting option to the passed url request.
Adds a path part to the given url
Creates a request with the given path parts. The json format argument ...
Returns the base url for the gold price endpoint.
Returns the base url for the rates endpoint.
Sends a request and parses the gold price endpoint response.
Sends a request and parses the rates endpoint response.
Sends a request and parses the tables endpoint response.
Returns the base url for the tables endpoint.
Retrieves the current exchange rate table.
Retrieves the current exchange rate for the given currency.
Retrieves the current gold price.
Retrieves the exchange rates from a specific interval.
Retrieves the exchange rate from a specific date.
Retrieves the exchange rate table from a specific date.
Retrieves the exchange rate tables from a specific interval.
Retrieves the gold prices from a specific interval.
Retrieves the gold price from a specific date.
Retrieves the last n exchange rate tables.
Retrieves the last n exchange rates.
Retrieves the last n gold prices.
Retrieves the exchange rate table that was published today.
Retrieves the exchange rate that was published today.
Retrieves the gold price that was published today.
Checks if an object is a positive integer.
Checks if an object is a date object.
Checks if an object is an integer.
Checks whether the given object is of the class nbp_api_response.
Returns the base url of the nbp api.
Use the <https://api.nbp.pl/> API through R. Retrieve currency exchange rates and gold prices data published by the National Bank of Poland in form of convenient R objects.