Navigating OAuth2 Authentication with Yahoo DSP: A Comprehensive Guide with Code Examples Securing and integrating applications with Yahoo's Demand-Side Platform (DSP) APIs necessitates a thorough understanding of OAuth2 authentication. This guide not only walks you through the authentication process but also includes relevant code snippets to ease your journey in generating an access token essential for API access. Step 1: Generate Your Access Token The journey to secure API access begins with the generation of an access token, utilizing your client ID and secret. This token is your key to unlocking the extensive features of Yahoo DSP's APIs. Setting Up Headers for API Access Incorporate your access token into API requests by adding the following headers: - X-Auth-Method: Always set to "OAuth2". - X-Auth-Token: Include the access token generated using your client ID and secret. Understanding Access Tokens Yahoo DSP uses the OAuth2 client_credentials workflow, iden