Account Settings

• 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?
• Which IP addresses should I allow for the Vonage Messages and Dispatch APIs?
• 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

• 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?
• What is the max file size for MMS?

See all 7 articles

SMS

• 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

• Why am I receiving an error "We could not set up your number for the selected API key. Please try a different API key"
• WhatsApp One WABA Policy Enforcement Jan 2024
• WhatsApp Authentication Template Compliance April 2024
• How do I access my WhatsApp Manager?
• What are the Delivery Receipts (DLRs) statuses for WhatsApp?
• What file types and sizes are supported on WhatsApp?

See all 42 articles