Connect to WebSocket for a certain chain. It uses WSS, and the Basic auth. credentials are provided in the URL.
wss://{kas-access-id}:{kas-secret-key}@node-api.klaytnapi.com/v1/ws/open?chain-id=1001
kas-access-id
and kas-secret-key
have to be issued later than July 2021.curl -i -X GET \ -u <username>:<password> \ 'https://node-api.klaytnapi.com/v1/ws/open?chain-id=string'