> ## Documentation Index > Fetch the complete documentation index at: https://openrouter.ai/docs/llms.txt > Use this file to discover all available pages before exploring further. # PrivateEndpointCheckReason Why the check failed. ## Example Usage ```go theme={null} import ( "github.com/OpenRouterTeam/go-sdk/models/components" ) value := components.PrivateEndpointCheckReasonDatabaseError // Open enum: custom values can be created with a direct type cast custom := components.PrivateEndpointCheckReason("custom_value") ``` ## Values | Name | Value | | - | - | | `PrivateEndpointCheckReasonDatabaseError` | database\_error | | `PrivateEndpointCheckReasonEndpointLimitReached` | endpoint\_limit\_reached | | `PrivateEndpointCheckReasonInvalidBaseURL` | invalid\_base\_url | | `PrivateEndpointCheckReasonModelNotFound` | model\_not\_found | | `PrivateEndpointCheckReasonProviderNotFound` | provider\_not\_found | | `PrivateEndpointCheckReasonEndpointNotFound` | endpoint\_not\_found | | `PrivateEndpointCheckReasonWorkspaceNotFound` | workspace\_not\_found | | `PrivateEndpointCheckReasonNoBYOKKey` | no\_byok\_key | | `PrivateEndpointCheckReasonKeyDecryptionFailed` | key\_decryption\_failed | | `PrivateEndpointCheckReasonUpstreamError` | upstream\_error | | `PrivateEndpointCheckReasonInvalidResponse` | invalid\_response | | `PrivateEndpointCheckReasonInvalidStream` | invalid\_stream | | `PrivateEndpointCheckReasonMissingUsage` | missing\_usage | | `PrivateEndpointCheckReasonModelMismatch` | model\_mismatch | | `PrivateEndpointCheckReasonNotValidated` | not\_validated | | `PrivateEndpointCheckReasonValidationStale` | validation\_stale |