> For the complete documentation index, see [llms.txt](https://docs.saaster.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.saaster.io/api/resources/authenticate.md).

# authenticate

### Description

Authenticate users and issue valid tokens.

### Header parameters

<table><thead><tr><th>Name</th><th>Info</th><th data-type="checkbox">Required</th></tr></thead><tbody><tr><td>apiID</td><td>ID of the API</td><td>true</td></tr><tr><td>apiKey</td><td>Key of the API</td><td>true</td></tr></tbody></table>

### Response&#x20;

```json
struct { 
    "token": string 
}
```