Grammarly Install & Auth Overview Configure Grammarly API authentication using OAuth 2.0 Bearer tokens. Grammarly provides three main APIs: Writing Score API, AI Detection API, and Plagiarism Detection API. All use the same auth pattern via . Prerequisites - Grammarly Enterprise account with API access - OAuth credentials from Grammarly admin portal - Required scopes: , Instructions Step 1: Configure Environment Step 2: Obtain Access Token Step 3: Verify Connection Error Handling | Error | Cause | Solution | |-------|-------|----------| | | Invalid or expired token | Re-authenticate | | | Mis…