How-to Guides How-to Guides 🔧 Task-oriented guides. Practical instructions for accomplishing specific tasks with the Protime API. AuthenticateObtain and refresh OAuth2 access tokens Fetch resourcesFilter, paginate, and use continuation tokens Create, update, and delete resourcesPOST, PUT, and DELETE operations Use external referencesPredefined and custom external references Track changes with deltaIncremental synchronisation via delta tokens Set up webhooksSubscribe, validate HMAC, and handle retries