# Authentication

Authentication allows us to know if the resource has been requested by a valid user.

A user authenticate a request by providing ‘Bearer token’ as an Authorization header to your requests.\ <br>

### Example

You can use any of the example below as a reference :

```
curl -H "Authorize: Bearer unique-token-id" 
https://manage.searchtap.net/v2/collections?appId=UNIQUEAPPID&count=10&skip=0
```

or you can some request libraries such as ‘axios’, like mentioned below

```
// replace 'unique-token-id' with your app token id
    const instance = axios.create({
      baseURL: 'https://manage.searchtap.net/v2',
      headers: {'Authorize': 'Bearer unique-token-id'} 
    });

    axios({
      method: 'get',
      url: '/collections?appId=UNIQUEAPPID&count=10&skip=0',
    })
    .then(function (response) {
     // do something with response
    })
    .catch(function (error) {
      // do something with error
    })
```

All the read and write operations need App tokens, these tokens can be found at the App listing page where you find a ‘key shape’ icon over every app.

### Authentication error

In event of an unauthorized request, the API server throws an unauthorized object with a message

```
{
  "status":401,
  "data":"Not Allowed to access this resource"
}
```


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