Why were some of the messages lost when sending?

The most common reason for this is the loss of the WhatsApp connection. When the API has processed the method and sent the request to WhatsApp, a "watch" appears.
A clock next to the text of the message means that the message has not yet been sent from the phone and is waiting in line to be sent to the WhatsApp server. If the icon does not disappear for a long time, this indicates a damaged network path and requires a check of the Internet connection. This leads to the loss of messages.

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The Most Multifunctional WhatsApp API Provider

Chat API has been operating since 2015 and is one of the first and largest providers in Eastern Europe.

Here are some curious and important figures:

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