Search
Submit a request
Sign in
Vonage API Help Center
API Dashboard ↗
Submit a request
Submit a request
Sign in
Vonage API Support
Messages API
Messages API
Logs and Analytics
Understanding Messaging Analytics Statuses
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 and Messages API?
Which webhook is used for Messages API?
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?
See all 8 articles
SMS
Price of a multi segment 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?
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 API?
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 is my WhatsApp Messaging Limit still at 250 and Display Name not visible after Business Verification?
WhatsApp Display Name – Approval, Review & Appeal Process
Understanding WhatsApp Usernames and Business-Scoped User IDs (BSUIDs) – Required Actions and Changes
Understanding the "Business Verification Needed.." Message in WhatsApp Manager for Restricted WABA Accounts
WhatsApp Business Account Locked - Error 1330
WhatsApp Vonage Managed Manual Onboarding Form No Longer Available for partners
See all 72 articles