Set the URL of the specified overpass API. Possible APIs with global coverage are:
"https://overpass-api.de/api/interpreter" (default)
"https://overpass.kumi.systems/api/interpreter"
"https://overpass.osm.rambler.ru/cgi/interpreter"
"https://api.openstreetmap.fr/oapi/interpreter"
"https://overpass.osm.vi-di.fr/api/interpreter"
Additional APIs with limited local coverage include:
"https://overpass.osm.ch/api/interpreter" (Switzerland)
"https://overpass.openstreetmap.ie/api/interpreter" (Ireland)
Details
For further details, see https://wiki.openstreetmap.org/wiki/Overpass_API
See also
Other overpass:
get_overpass_url()