Vonage API: what you can do and how to use it with AI agents
Vonage offers communication APIs: voice, SMS, Messages (with channels such as WhatsApp), user verification, video and number management. Developers and companies that embed calls and messages in their systems use it. Access is open, through a developer account with a key and secret, or an application with a private key.
What the Vonage API offers
Voice
Outbound and inbound calls, IVR, recording and text-to-speech.
SMS
Sending and receiving text messages.
Messages
Sending across several channels, such as SMS and WhatsApp, in one API.
Verification
Sending and checking codes to validate users.
Video
Video sessions embedded in applications.
Numbers
Buying and configuring virtual numbers.
How to access the Vonage API
- Public APIThe key and secret of the Vonage account, or an application with a private key that generates JWT tokens, depending on the API used.
- Messages and calls are billed by use, so set a spending cap.
- Respect consent and contact hours under your data-protection and telemarketing rules.
- WhatsApp requires an account and templates approved by Meta.
Official documentation: developer.vonage.com
What an iTeam agent does with the Vonage API
Confirmation call
The agent calls to confirm a delivery or an appointment, understands the answer and updates the system.
Fallback SMS
When WhatsApp does not deliver, the agent sends the notice by SMS with the same content.
Verification in support
Before sharing sensitive data, the agent sends a verification code to the phone on file.
Cost by channel
The agent tracks spending by campaign and warns when it nears the cap.
From the credential to the agent at work, with approval
Create the account and the application in Vonage
Set up numbers, status webhooks and the APIs you will use.
Store it in the iTeam vault
Keys stay in the vault, and each agent has a daily cost cap.
Test with approval
Bulk sends and outbound calls start with approval and low volume.
Ready-made AI teams for this work
WhatsApp customer service
Customers write at 11 p.m. and on Sundays. This team replies in seconds, with your prices and policies, and calls a person when it should.
Help desk support team
It reads each ticket, finds the answer in your docs and past replies, and drafts a response your agents can send or improve.
AI phone receptionist
It answers the phone, books the visit in your calendar and sends your team a short note about every call.
Online store support team
It looks up the real order in Shopify or WooCommerce and answers tracking, return and exchange questions in seconds.
Customer success team
It reads usage, tickets and CRM notes every week and tells your team which accounts need a call, and why.
Customer feedback analysis
It reads every comment, finds the themes behind the scores and tells each area what customers are asking it to fix.
Questions about the Vonage API
Is the Vonage API free?
No. Billing is by use (minutes, messages, verifications). New accounts usually come with trial credit.
Do I need to code to use the Vonage API with iTeam?
Not necessarily. iTeam's HTTP tool reads the documentation, and the deployment team sets up the workflows.
Can I use WhatsApp through Vonage?
Yes, through the Messages API, with a WhatsApp Business account set up.
