# Authentication API

Obtain an OAuth2 access token from Amazon Cognito using the **client_credentials** grant.

The returned `access_token` must be sent as a `Bearer` token in the
`Authorization` header when calling the Check In Service API endpoints
defined in [openapi.yaml](openapi.yaml).


Version: 1.0.0

## Servers

Authentication Server
```
https://cps-poc-api-access.auth.eu-south-2.amazoncognito.com
```

## Download OpenAPI description

[Authentication API](https://developer.corpay-lodging.com/_bundle/API/auth.yaml)

## Authentication

### Obtain Access Token

 - [POST /oauth2/token](https://developer.corpay-lodging.com/api/auth/authentication/getaccesstoken.md): Exchange client credentials for a bearer token.

Equivalent curl request:

curl --location 'https://cps-poc-api-access.auth.eu-south-2.amazoncognito.com/oauth2/token' \
  --header 'Content-Type: application/x-www-form-urlencoded' \
  --data-urlencode 'grant_type=client_credentials' \
  --data-urlencode 'client_id=' \
  --data-urlencode 'client_secret='