> ## Documentation Index
> Fetch the complete documentation index at: https://terminal49-mintlify-8f0cde31.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# client/interceptors: Terminal49 SDK request interceptors

> Reference for the Terminal49 TypeScript SDK interceptors module, covering authentication, retry, and error-mapping middleware applied to every API request.

# client/interceptors

## Classes

| Class                                                                                         | Description                                                                |
| --------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------- |
| [AuthInterceptor](/sdk/reference/client/interceptors/classes/AuthInterceptor)                 | -                                                                          |
| [ErrorMappingInterceptor](/sdk/reference/client/interceptors/classes/ErrorMappingInterceptor) | -                                                                          |
| [RetryInterceptor](/sdk/reference/client/interceptors/classes/RetryInterceptor)               | Retries transient failures with backoff. Two kinds of failure are handled: |

## Type Aliases

| Type Alias                                                                 | Description |
| -------------------------------------------------------------------------- | ----------- |
| [Interceptor](/sdk/reference/client/interceptors/type-aliases/Interceptor) | -           |