Also...
htps://www.chess.com/member/pauljwad
https://api.chess.com/pub/player/pauljwad
the last links give me this message.
https://api.chess.com/pub/player/pauljwad ↓
{"player_id":1509159,"@id":"https://api.chess.com/pub/player/pauljwad","url":"https://www.chess.com/member/PaulJWad","name":"Paul Waddingham","username":"pauljwad","followers":15,"country":"https://api.chess.com/pub/country/XE","location":"London","last_online":1728966019,"joined":1221837157,"status":"basic","is_streamer":false,"verified":false,"league":"Silver","streaming_platforms":[]}
https://api.chess.com/pub/player/big7slick ↓
{"code":0,"message":"An internal error has occurred. Please contact Chess.com Developer's Forum for further help https://www.chess.com/club/chess-com-developer-community ."}
The following users exist but there is an error looking them up in the public API:
https://www.chess.com/member/biga12031963
https://api.chess.com/pub/player/biga12031963
https://www.chess.com/member/big7slick
https://api.chess.com/pub/player/big7slick