What are the limitations or restrictions when using Whatsapp APIs for sending messages through PHP?

When using Whatsapp APIs for sending messages through PHP, one limitation is that you need to have a valid phone number registered with Whatsapp in order to send messages. Additionally, you may encounter rate limiting restrictions on the number of messages that can be sent within a certain time frame. To solve this, ensure you have a valid phone number registered with Whatsapp and adhere to any rate limiting restrictions imposed by the API. 

// Example PHP code snippet for sending a message using Whatsapp API

$phone_number = '1234567890'; // Valid phone number registered with Whatsapp
$message = 'Hello, this is a test message!';

// Code to send message using Whatsapp API
// Make sure to adhere to any rate limiting restrictions imposed by the API

Keywords

Whatsapp API limitations restrictions sending messages PHP

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