Also my trace logs if that’s of any help:
2024-10-19 13:51:23.766 [DEBUG] [l.handler.ICloudAccountBridgeHandler] - iCloud bridge handler initializing ...
2024-10-19 13:51:23.775 [DEBUG] [l.handler.ICloudAccountBridgeHandler] - iCloud bridge handler initialized.
2024-10-19 13:51:23.793 [DEBUG] [l.handler.ICloudAccountBridgeHandler] - Starting iCloud authentication (AuthState=INITIAL, Thing=icloud:account:63f7cfe3c6)...
2024-10-19 13:51:23.797 [DEBUG] [inding.icloud.internal.ICloudService] - Checking session token validity
2024-10-19 13:51:23.802 [DEBUG] [inding.icloud.internal.ICloudSession] - iCloud request POST https://setup.icloud.com/setup/ws/1/validate.
2024-10-19 13:51:23.810 [TRACE] [inding.icloud.internal.ICloudSession] - Calling https://setup.icloud.com/setup/ws/1/validate
Headers -----
java.net.http.HttpHeaders@db4184c6 { {Origin=[https://www.icloud.com], Referer=[https://www.icloud.com/]} }
Body -----
null
------
2024-10-19 13:51:24.551 [TRACE] [inding.icloud.internal.ICloudSession] - Result https://setup.icloud.com/setup/ws/1/validate 421
Headers -----
java.net.http.HttpHeaders@f86910c7 { {access-control-allow-credentials=[true], access-control-allow-origin=[https://www.icloud.com], access-control-expose-headers=[X-Apple-Request-UUID,Via], cache-control=[no-cache, no-store, private], connection=[keep-alive], content-length=[1403], content-type=[application/json; charset=UTF-8], date=[Sat, 19 Oct 2024 10:51:24 GMT], server=[AppleHttpServer/b866cf47a603], strict-transport-security=[max-age=31536000; includeSubDomains;], via=[xrail:mr42p00ic-qujn09141701.me.com:8301:24R504:grp20,631194250daa17e24277dea86cf30319:8f0ada2b7d17e60a1728f24fa3127b29:deber3], x-apple-edge-response-time=[147], x-apple-request-uuid=[b9781658-24b1-4161-9e9d-f7cb9df5f690], x-apple-user-partition=[60], x-responding-instance=[setupservice:36001001:mr51p60ic-qukt04081502:8001:2426B654:a2ab3064ebcf]} }
Body -----
{"success":false,"requestInfo":[{"country":"NL","timeZone":"GMT+1"}],"configBag":{"urls":{"accountCreateUI":"https://appleid.apple.com/widget/account/?widgetKey=d39ba9916b7251055b22c7f910e2ea796ee65e98b2ddecea8f5dde8d9d1a815d#!create","accountVerifyUI":"https://id.apple.com/identity?widgetKey=d39ba9916b7251055b22c7f910e2ea796ee65e98b2ddecea8f5dde8d9d1a815d","accountLoginUI":"https://idmsa.apple.com/appleauth/auth/signin?widgetKey=d39ba9916b7251055b22c7f910e2ea796ee65e98b2ddecea8f5dde8d9d1a815d","accountLogin":"https://setup.icloud.com/setup/ws/1/accountLogin","accountRepairUI":"https://appleid.apple.com/widget/account/?widgetKey=d39ba9916b7251055b22c7f910e2ea796ee65e98b2ddecea8f5dde8d9d1a815d#!repair","downloadICloudTerms":"https://setup.icloud.com/setup/ws/1/downloadLiteTerms","repairDone":"https://setup.icloud.com/setup/ws/1/repairDone","accountAuthorizeUI":"https://idmsa.apple.com/appleauth/auth/authorize/signin?client_id=d39ba9916b7251055b22c7f910e2ea796ee65e98b2ddecea8f5dde8d9d1a815d","vettingUrlForEmail":"https://id.apple.com/IDMSEmailVetting/vetShareEmail","accountCreate":"https://setup.icloud.com/setup/ws/1/createLiteAccount","getICloudTerms":"https://setup.icloud.com/setup/ws/1/getTerms","vettingUrlForPhone":"https://id.apple.com/IDMSEmailVetting/vetSharePhone"},"accountCreateEnabled":true,"isEnhancedProtectionRegion":false},"error":"Missing X-APPLE-WEBAUTH-TOKEN cookie"}
------
2024-10-19 13:51:24.557 [DEBUG] [inding.icloud.internal.ICloudService] - Token is not valid. Attemping new login.
org.openhab.binding.icloud.internal.ICloudApiResponseException: Request https://setup.icloud.com/setup/ws/1/validate failed with 421.
at org.openhab.binding.icloud.internal.ICloudSession.request(ICloudSession.java:148) ~[?:?]
at org.openhab.binding.icloud.internal.ICloudSession.post(ICloudSession.java:98) ~[?:?]
at org.openhab.binding.icloud.internal.ICloudService.validateToken(ICloudService.java:190) ~[?:?]
at org.openhab.binding.icloud.internal.ICloudService.authenticate(ICloudService.java:94) ~[?:?]
at org.openhab.binding.icloud.internal.handler.ICloudAccountBridgeHandler.checkLogin(ICloudAccountBridgeHandler.java:338) ~[?:?]
at org.openhab.binding.icloud.internal.handler.ICloudAccountBridgeHandler.callApiWithRetryAndExceptionHandling(ICloudAccountBridgeHandler.java:164) ~[?:?]
at org.openhab.binding.icloud.internal.handler.ICloudAccountBridgeHandler.lambda$2(ICloudAccountBridgeHandler.java:127) ~[?:?]
at java.util.concurrent.FutureTask.run(FutureTask.java:264) [?:?]
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) [?:?]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136) [?:?]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) [?:?]
at java.lang.Thread.run(Thread.java:840) [?:?]
2024-10-19 13:51:24.575 [DEBUG] [inding.icloud.internal.ICloudService] - Authenticating as censored@gmail.com...
2024-10-19 13:51:24.581 [DEBUG] [inding.icloud.internal.ICloudSession] - iCloud request POST https://idmsa.apple.com/appleauth/auth/signin?isRememberMeEnabled=true.
2024-10-19 13:51:24.587 [TRACE] [inding.icloud.internal.ICloudSession] - Calling https://idmsa.apple.com/appleauth/auth/signin?isRememberMeEnabled=true
Headers -----
java.net.http.HttpHeaders@bf3ef8e0 { {Accept=[*/*], Content-Type=[application/json], Origin=[https://www.icloud.com], Referer=[https://www.icloud.com/], X-Apple-OAuth-Client-Id=[d39ba9916b7251055b22c7f910e2ea796ee65e98b2ddecea8f5dde8d9d1a815d], X-Apple-OAuth-Client-Type=[firstPartyAuth], X-Apple-OAuth-Redirect-URI=[https://www.icloud.com], X-Apple-OAuth-Require-Grant-Code=[true], X-Apple-OAuth-Response-Mode=[web_message], X-Apple-OAuth-Response-Type=[code], X-Apple-OAuth-State=[auth-b80ca0e1-6cad-4dcf-9f77-f7e1405b96bf], X-Apple-Widget-Key=[d39ba9916b7251055b22c7f910e2ea796ee65e98b2ddecea8f5dde8d9d1a815d]} }
Body -----
{"password":"censored","accountName":"censored@gmail.com","trustTokens":["HSARMTKNSRVXWFlalyxsgDULFpQsKJ6EMb0EZMimYMVwGthfCbBqFtPVMNSZf1o7loXhq/PobYU1kZ1c11XrjRPeERbJ2zAlsW0MgwmsxpxgaWCQJBZGddsFPKrla/ntlNu+bnw9yRf8Q5ZUzEYtCBaV4GN04+kFJMuM4+zEYMDXwPXvQascqsftN/Tq75BqKU/6twbzWWTo8HF+rdmLEFS21i4xidaHrWujl6OV01X/ARE\u003dSRVT"],"rememberMe":true}
------
2024-10-19 13:51:25.423 [TRACE] [inding.icloud.internal.ICloudSession] - Result https://idmsa.apple.com/appleauth/auth/signin?isRememberMeEnabled=true 503
Headers -----
java.net.http.HttpHeaders@260031ae { {connection=[keep-alive], content-length=[190], content-type=[text/html], date=[Sat, 19 Oct 2024 10:51:25 GMT], server=[Apple]} }
Body -----
<html>
<head><title>503 Service Temporarily Unavailable</title></head>
<body>
<center><h1>503 Service Temporarily Unavailable</h1></center>
<hr><center>Apple</center>
</body>
</html>
------
2024-10-19 13:51:25.429 [WARN ] [l.handler.ICloudAccountBridgeHandler] - iCloud authentication failed. Invalid credentials.