# Unofficial WhatsApp Blasting We are not able to track double tick or who receives the message. So we couldn't provide you the information on who received the message and who didn't receive the message. {% embed url="" %} ### WhatsApp Button Limitation As for WhatsApp Button limitation, you need to insert **https\://** into the button. If you only insert *[www.abc.com](http://www.abc.com)*, then the link will be gone/disappear when your message reaches your customer. This incident only happens to iOS users. ## Understand how unofficial API blasting really works {% embed url="" %} ## Understand what limitations & solutions of unofficial WhatsApp API blasting {% embed url="" %} --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.yaeris.com/limitation/unofficial-whatsapp-blasting.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.