WhatsApp Cloud API - Block API | Developer Documentation WhatsApp Cloud API - Block API Copy for LLM View as Markdown Version The Block API allows businesses to manage blocked users on WhatsApp. Use this API to block users from sending messages to your business number, retrieve the list of blocked users, and unblock users when needed. For more information, see the Block Users Guide. Select language Select status code Select language Select status code Select language Select status code Authentication Scheme Type Location bearerAuth HTTP Bearer Header: Authorization Usage Examples bearerAuth: Include Authorization: Bearer your-token-here in request headers Global Authentication Requirements All endpoints require: bearerAuth