# Usage & Requests

Source: https://docs.sliplane.io/inference/usage

Track inference spend, tokens, and errors, and inspect individual requests.

> **info**
>
> **Private beta:** Email [support@sliplane.io](mailto\:support@sliplane.io) to request Inference access for your team.

## Usage

[Inference](https://sliplane.io/app/inference) shows spend, requests, errors, and tokens for the last 24 hours, 7 days, or 30 days, broken down by model and by key. Spend is in EUR, excluding VAT.

Charges are recorded after a request finishes.

## Requests

[Inference > Requests](https://sliplane.io/app/inference/requests) lists individual requests with their model, key, tokens, duration, and charge.

## Request IDs

Every response includes an `X-Request-ID` header. Include it when you contact [support](mailto\:support@sliplane.io) about a specific request.