Rolling out your WhatsApp Twilio applicationĪpproved WhatsApp users are initially limited to 1,000 unique message recipients a day. The join keyword for your Sandbox is displayed on the Twilio Sandbox page in Console. To view the list of templates, and additional setup details, please see Getting Started with Twilio for WhatsApp.īefore you can send any messages to a WhatsApp user from your Sandbox, that user must first send a message to the Sandbox number with your unique join keyword. When using the Sandbox, you have a few pre-approved message templates to choose from. Session messages do not need to follow a template, and can include media attachments. A messaging session starts when a user sends your application a message, and lasts for 24 hours from the most recently received message. Session messages: All incoming messages, or outgoing replies to these messages within 24-hours.These are generally unsolicited transactional messages (delivery alerts, appointment reminders, etc.) sent to users who have opted in to receive messages from you. Template messages: Outbound messages sent via Twilio that use one of the pre-approved templates.

WhatsApp divides messages into two different types: Template messages and Session messages. Using WhatsApp in production (WhatsApp-enabled numbers).Rolling out your WhatsApp Twilio application.For best results, it’s important to understand the concepts of “templates” and “sessions,” and design your messaging flow to follow WhatsApp’s rules. WhatsApp messages are subject to certain rules and restrictions that do not apply to standard Twilio Programmable SMS and MMS messages.

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