Before integrating with the Evance API, your app requires authentication credentials which are exchanged for an Access Token. Evance implements the following methods of authentication:

 Grant Types Public Apps Private Apps

OAuth 2.0 Authorization Code

The Authorization Code Grant Type is used by both web and native apps to get an access token after a user authorises an app. This grant type is available to both Public and Private Apps. 

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OAuth 2.0 Client Credentials

Available to Private Apps only. Used when there is no third party involved for service calls or on behalf of the user/account who created the App. 

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OAuth 2.0 JWT Bearer

Available to Private Apps only. Used to receive an access token without transmitting sensitive information, such as the client secret. Hence, this is a more secure method over OAuth Client Credentials authentication. 

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