# Authentication

Our API is secured with OAuth 2.0 Client Credentials  ([https://www.oauth.com/oauth2-servers/access-tokens/client-credentials/](https://www.oauth.com/oauth2-servers/access-tokens/client-credentials/))
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## 1. Retrieve API Client ID + Secret

This information can be found by logging into your account then go to My Profile - **Developer** Tab

If you cannot see the **Developer** Tab please ask you System Administrator to assign that Role for you
 
![Client ID and Client
Secret](/assets/image-1.4f84f7c32d005301a29f94398f8cab353ae8017f0eac5693efd59aedfb935a7e.9817d8cf.png)

## 2. Postman Authorization

We provide 3 ways to obtain the access_token:

1.**Send client credentials in Body Authentication**

You can as Request Body payload with copy Guid of client_id and client_secret


![Get OAuth2 Token](/assets/image-2.4623d70e6e190b9a21b73547618c913aa7f59dec36a60c94052f38e7de105265.9817d8cf.png)

 Content-Type: application/json

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1. **Send as Basic Authentication Header**


Header Content-Type: application/x-www-form-urlencoded

Concatenate client_id:client_secret then encode to base64 string, use Basic
Authentication

application/x-www-form-urlencoded

![Send As Basic Auth
Header](https://res.cloudinary.com/pos/image/upload/v1722325118/Stoplight/Send_as_Basic_Auth_Header.png)



1. **Send as Client Credentials in Body**


![Send as Client Credentials in
Body](https://res.cloudinary.com/pos/image/upload/v1722325548/Stoplight/Send_Client_Credentials_in_body.png)

> **Reference:** 
https://www.oauth.com/oauth2-servers/access-tokens/client-credentials/


## 3. Redocly Try It Authorization

You can hit our API directly by click **"Try It"** in each endpoint API with this ways below:

![TryIt](/assets/clicktryit.e2a1d27a29b324000f5b56868d87f611e2f42f8a61aaa2ee331c2a7ffed0b8d9.9817d8cf.png)

Then in field Access Token URL type manually **https://{{subdomain}}/api/v3/token/oauth2**. Set the environments variable value.
And it will be generate your access_token.

![AccessTokenUrl](/assets/accesstokenurl.3124770c137840281fc378b1f018980a42b82252561334eb74e83cb681d7efa7.9817d8cf.png)