> ## 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.

# ProviderResponse

Details of a provider response for a generation attempt

## Fields

| Field               | Type                                                                                                  | Required             | Description                                                                                                                                                    | Example         |
| ------------------- | ----------------------------------------------------------------------------------------------------- | -------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------- | --------------- |
| `EndpointID`        | `*string`                                                                                             | :heavy\_minus\_sign: | Internal endpoint identifier                                                                                                                                   | ep\_abc123      |
| `ID`                | `*string`                                                                                             | :heavy\_minus\_sign: | Upstream provider response identifier                                                                                                                          | chatcmpl-abc123 |
| `IsBYOK`            | `*bool`                                                                                               | :heavy\_minus\_sign: | Whether the request used a bring-your-own-key                                                                                                                  | false           |
| `Latency`           | `*float64`                                                                                            | :heavy\_minus\_sign: | Response latency in milliseconds                                                                                                                               | 1200            |
| `ModelPermaslug`    | `*string`                                                                                             | :heavy\_minus\_sign: | Canonical model slug                                                                                                                                           | openai/gpt-4    |
| `ProviderName`      | [\*components.ProviderResponseProviderName](../../models/components/providerresponseprovidername.mdx) | :heavy\_minus\_sign: | Name of the provider                                                                                                                                           | OpenAI          |
| `RoutedServiceTier` | [\*components.RoutedServiceTier](../../models/components/routedservicetier.mdx)                       | :heavy\_minus\_sign: | The service tier this request was routed to (e.g. flex, priority). The tier actually applied and billed is determined by the provider response and may differ. | priority        |
| `Status`            | `*int64`                                                                                              | :heavy\_check\_mark: | HTTP status code from the provider                                                                                                                             | 200             |