Select 1–50 references in request order; repeated references are returned once.
Optionaltopics?: ("accessibility" | "facilities" | "staff_assistance" | "connections")[]Optional filter for either selection form; omit to return all supported topics.
Optionallimit?: numberMaximum number of query matches.
An exact CRS code or words from a station name/source alias. Case-insensitive; punctuation separates words. All words initially match prefixes. If no matches exist, queries with at least four alphanumeric characters fall back to trigram spelling similarity. Whitespace-only queries are invalid.
Optionaltopics?: ("accessibility" | "facilities" | "staff_assistance" | "connections")[]Optional filter for either selection form; omit to return all supported topics.
Select either explicit station references or a query. Both return station facts.