Lidarr Official API returns 404 for Import Lists #4246

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opened 2026-02-20 13:17:59 -05:00 by deekerman · 1 comment

deekerman commented

2026-02-20 13:17:59 -05:00

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Originally created by @kylhuk on GitHub (Feb 4, 2026).

Is there an existing issue for this?

I have searched the existing open and closed issues

Current Behavior

Seems to be an issue on the API. Lists like:

https://api.lidarr.audio/api/v0.4/chart/lastfm/artist/top

return a 404

Expected Behavior

200 and a valid import list as body

Steps To Reproduce

No response

Environment

- OS: Docker
- Lidarr: 3.1.0.4875-ls19 by linuxserver.io
- Docker Install: yes
- Using Reverse Proxy: no
- Browser: Waterfox
- Database: integrated

What branch are you running?

Master

Trace Logs?

2026-02-04 22:30:34.3|Warn|HttpClient|HTTP Error - Res: HTTP/2.0 [GET] https://api.lidarr.audio/api/v0.4/chart/lastfm/artist/top: 404.NotFound (0 bytes)
2026-02-04 22:30:34.3|Warn|LidarrLists|Unable to connect to import list

[v3.1.0.4875] NzbDrone.Common.Http.HttpException: HTTP request failed: [404:NotFound] [GET] at [https://api.lidarr.audio/api/v0.4/chart/lastfm/artist/top]
   at NzbDrone.Common.Http.HttpClient.ExecuteAsync(HttpRequest request) in ./NzbDrone.Common/Http/HttpClient.cs:line 119
   at NzbDrone.Common.Http.HttpClient.Execute(HttpRequest request) in ./NzbDrone.Common/Http/HttpClient.cs:line 128
   at NzbDrone.Core.ImportLists.HttpImportListBase`1.FetchImportListResponse(ImportListRequest request) in ./NzbDrone.Core/ImportLists/HttpImportListBase.cs:line 196
   at NzbDrone.Core.ImportLists.HttpImportListBase`1.FetchPage(ImportListRequest request, IParseImportListResponse parser) in ./NzbDrone.Core/ImportLists/HttpImportListBase.cs:line 182
   at NzbDrone.Core.ImportLists.HttpImportListBase`1.TestConnection() in ./NzbDrone.Core/ImportLists/HttpImportListBase.cs:line 210



2026-02-04 22:30:34.3|Warn|LidarrErrorPipeline|FluentValidation.ValidationException: Validation failed: 
 -- : Unable to connect to import list, check the log for more details

Trace Logs have been provided as applicable. Reports may be closed if the required logs are not provided.

I have read and followed the steps in the wiki link above and provided the required trace logs - the logs contain trace - that are relevant and show this issue.

Originally created by @kylhuk on GitHub (Feb 4, 2026). ### Is there an existing issue for this? - [x] I have searched the existing open and closed issues ### Current Behavior Seems to be an issue on the API. Lists like: - https://api.lidarr.audio/api/v0.4/chart/lastfm/artist/top return a `404` ### Expected Behavior `200` and a valid import list as body ### Steps To Reproduce _No response_ ### Environment ```markdown - OS: Docker - Lidarr: 3.1.0.4875-ls19 by linuxserver.io - Docker Install: yes - Using Reverse Proxy: no - Browser: Waterfox - Database: integrated ``` ### What branch are you running? Master ### Trace Logs? ```log 2026-02-04 22:30:34.3|Warn|HttpClient|HTTP Error - Res: HTTP/2.0 [GET] https://api.lidarr.audio/api/v0.4/chart/lastfm/artist/top: 404.NotFound (0 bytes) 2026-02-04 22:30:34.3|Warn|LidarrLists|Unable to connect to import list [v3.1.0.4875] NzbDrone.Common.Http.HttpException: HTTP request failed: [404:NotFound] [GET] at [https://api.lidarr.audio/api/v0.4/chart/lastfm/artist/top] at NzbDrone.Common.Http.HttpClient.ExecuteAsync(HttpRequest request) in ./NzbDrone.Common/Http/HttpClient.cs:line 119 at NzbDrone.Common.Http.HttpClient.Execute(HttpRequest request) in ./NzbDrone.Common/Http/HttpClient.cs:line 128 at NzbDrone.Core.ImportLists.HttpImportListBase`1.FetchImportListResponse(ImportListRequest request) in ./NzbDrone.Core/ImportLists/HttpImportListBase.cs:line 196 at NzbDrone.Core.ImportLists.HttpImportListBase`1.FetchPage(ImportListRequest request, IParseImportListResponse parser) in ./NzbDrone.Core/ImportLists/HttpImportListBase.cs:line 182 at NzbDrone.Core.ImportLists.HttpImportListBase`1.TestConnection() in ./NzbDrone.Core/ImportLists/HttpImportListBase.cs:line 210 2026-02-04 22:30:34.3|Warn|LidarrErrorPipeline|FluentValidation.ValidationException: Validation failed: -- : Unable to connect to import list, check the log for more details ``` ### Trace Logs have been provided as applicable. Reports may be closed if the required logs are not provided. - [x] I have read and followed the steps in the wiki link above and provided the required trace logs - the logs contain `trace` - that are relevant and show this issue.

deekerman added the

Type: Bug

Status: Needs Triage

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2026-02-20 13:17:59 -05:00

deekerman commented

2026-02-20 13:18:00 -05:00

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@kylhuk commented on GitHub (Feb 7, 2026):

Probably duplicate of #5498

Not sure if same cause or if this is a different bug. So I'll leave it open until clarified by server team

@kylhuk commented on GitHub (Feb 7, 2026): Probably duplicate of #5498 Not sure if same cause or if this is a different bug. So I'll leave it open until clarified by server team