# OAuth Flow ## Start an OAuth flow - [POST /blaize/oauth/state](https://developer.zuora.com/zephr-api-reference/zephr-public-api/oauth-flow/startoauthflow.md): Starts the OAuth flow. ## Create a callback for the Google OAuth flow - [GET /blaize/oauth/google/callback](https://developer.zuora.com/zephr-api-reference/zephr-public-api/oauth-flow/creategoogleoauthflow.md): Callback for Google OAuth Flow. ## Create a callback for the Facebook OAuth flow - [GET /blaize/oauth/facebook/callback](https://developer.zuora.com/zephr-api-reference/zephr-public-api/oauth-flow/createfacebookoauthflow.md): Callback for Facebook OAuth flow. ## Create a callback for the Linkedin OAuth flow - [GET /blaize/oauth/linkedin/callback](https://developer.zuora.com/zephr-api-reference/zephr-public-api/oauth-flow/createlinkedinoauthflow.md): Callback for Linkedin OAuth flow.