I'm trying to send a WhatsApp message via Twilio WhatsApp Sandbox from a PHP app. The recipient has joined the sandbox and appears under Sandbox Participants use Twilio\Rest\Client; $client = new Client(getenv('TWILIO_ACCOUNT_SID'), getenv('TWILIO_AUTH_TOKEN')); $to = 'whatsapp:+92324xxxxxxx'; $params = [ 'from' => 'whatsapp:+14155238886', 'body' => 'Hello from iCRM!' ]; $msg = $client->messages->create($to, $params); The app returns: [HTTP 400]...
Originally asked by An33s.code on Stack Exchange (stackoverflow) (CC BY-SA 4.0).
