Vonage API Help Center Vonage API Help Center

Messages and Dispatch

RCS

Rich Communication Services standard

What is a RCS/RBM agent ?
How can I check if RCS (Rich Communication Services) is active on my device?
What is RCS ?
iMessage: Apple's Exclusive Messaging Service
RCS Messaging: Do You Need Mobile Data?
Understanding Google Guest Cloud
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Account Settings
What is the Messages API sandbox rate limit?
Why do I receive pricing on all outbound Whatsapp messages that are part of a Conversation?
Why am I getting Unsupported Type Messages API callbacks?
What do are the technical requirements needed to implement the Messages API?
How long does Vonage retry inbound messages for the SMS, Messages and Dispatch APIs?
Which webhook would be used for Messages and Dispatch APIs?

Channels
Why am I getting 401 Unauthorized error when sending messages with Messages API version 1?
How to test or register for a channel on the Messages API?

MMS
How do I check attachment file is supported content type
Is 2-Way message supported for MMS?
MMS FAQ
MMS Features and Restrictions
Unsupported Content type on Inbound MMS to 10DLC Numbers
What are the throughput limits on MMS?
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SMS
Price of a SMS Text Message is different on the SMS API logs verses the Messages API logs
Why am I not receiving inbound SMS to my Vonage Application Webhook?
Why do I receive the same FID value for all API responses when using Kannel?
Can you stop unwanted inbound messages from non-Vonage number ?
How do I register to send messages using SMS via the Messages API?
Is Unicode supported with the SMS channel on the Messages and Dispatch APIs?

Facebook Messenger
How do I register to send messages using Facebook Messenger via the Messages API?

Viber
Error 1260 Destination Unreachable When Using Viber
Getting Started with Viber and Vonage Messages API
How do I register to send messages using Viber via the Messages API?

WhatsApp
WhatsApp Per User Marketing Template Messaging Limits
Why did I receive rejected status delivery receipts although my WhatsApp messages were delivered to enduser?
WhatsApp Quality Rating and Messaging Limits
WhatsApp Platform: Phone Number Limits
WhatsApp Business Platform Policy Enforcement: Review and Appeal Process for WhatsApp Disabled Account
WhatsApp Local Data Storage
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